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Gong L, Liu F, Liu J, Wang J. Dietary fiber (oligosaccharide and non-starch polysaccharide) in preventing and treating functional gastrointestinal disorders - Challenges and controversies: A review. Int J Biol Macromol 2024; 258:128835. [PMID: 38128805 DOI: 10.1016/j.ijbiomac.2023.128835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
Functional gastrointestinal disorders (FGIDs) are a group of chronic or recurrent gastrointestinal functional diseases, including functional dyspepsia, irritable bowel syndrome, and functional constipation. A lack of safe and reliable treatments for abdominal pain-related FGIDs has prompted interest in new therapies. Evidence has shown that supplementation with dietary fiber may help treat FGIDs. Dietary fibers (DFs) have been demonstrated to have regulatory effects on the gut microbiota, microbiota metabolites, and gastrointestinal movement and have important implications for preventing and treating FGIDs. However, the adverse effects of some DFs, such as fermentable oligosaccharides, on FGIDs are unclear. This review provides an overview of the DFs physiological properties and functional characteristics that influence their use in management of FGIDs, with emphasis on structural modification technology to improve their therapeutic activities. The review highlights that the use of appropriate or novel fibers is a potential therapeutic approach for FGIDs.
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Affiliation(s)
- Lingxiao Gong
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Key Laboratory of Special Food Supervision Technology for State Market Regulation, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Feiyue Liu
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Key Laboratory of Special Food Supervision Technology for State Market Regulation, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Jie Liu
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Key Laboratory of Special Food Supervision Technology for State Market Regulation, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Jing Wang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Key Laboratory of Special Food Supervision Technology for State Market Regulation, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
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2
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Pemau RC, González-Palacios P, Kerr KW. How quality of life is measured in studies of nutritional intervention: a systematic review. Health Qual Life Outcomes 2024; 22:9. [PMID: 38267976 PMCID: PMC10809546 DOI: 10.1186/s12955-024-02229-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND Nutrition care can positively affect multiple aspects of patient's health; outcomes are commonly evaluated on the basis of their impact on a patient's (i) illness-specific conditions and (ii) health-related quality of life (HRQoL). Our systematic review examined how HRQoL was measured in studies of nutritional interventions. To help future researchers select appropriate Quality of Life Questionnaires (QoLQ), we identified commonly-used instruments and their uses across populations in different regions, of different ages, and with different diseases. METHODS We searched EMCare, EMBASE, and Medline databases for studies that had HRQoL and nutrition intervention terms in the title, the abstract, or the MeSH term classifications "quality of life" and any of "nutrition therapy", "diet therapy", or "dietary supplements" and identified 1,113 studies for possible inclusion.We then reviewed titles, abstracts, and full texts to identify studies for final inclusion. RESULTS Our review of titles, abstracts, and full texts resulted in the inclusion of 116 relevant studies in our final analysis. Our review identified 14 general and 25 disease-specific QoLQ. The most-used general QoLQ were the Short-Form 36-Item Health Survey (SF-36) in 27 studies and EuroQol 5-Dimension, (EQ-5D) in 26 studies. The European Organization for Research and Treatment of Cancer Quality of life Questionnaire (EORTC-QLQ), a cancer-specific QoLQ, was the most frequently used disease-specific QoLQ (28 studies). Disease-specific QoLQ were also identified for nutrition-related diseases such as diabetes, obesity, and dysphagia. Sixteen studies used multiple QoLQ, of which eight studies included both general and disease-specific measures of HRQoL. The most studied diseases were cancer (36 studies) and malnutrition (24 studies). There were few studies focused on specific age-group populations, with only 38 studies (33%) focused on adults 65 years and older and only 4 studies focused on pediatric patients. Regional variation in QoLQ use was observed, with EQ-5D used more frequently in Europe and SF-36 more commonly used in North America. CONCLUSIONS Use of QoLQ to measure HRQoL is well established in the literature; both general and disease-specific instruments are now available for use. We advise further studies to examine potential benefits of using both general and disease-specific QoLQ to better understand the impact of nutritional interventions on HRQoL.
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Affiliation(s)
| | - Patricia González-Palacios
- Department of Nutrition and Food Science, University of Granada, Granada, Spain
- Biomedical Research Institute (IBS), Granada, Spain
| | - Kirk W Kerr
- Abbott Nutrition, 2900 Easton Square Place, Columbus, OH, 43219, USA.
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Correa ADC, Lopes MS, Perna RF, Silva EK. Fructan-type prebiotic dietary fibers: Clinical studies reporting health impacts and recent advances in their technological application in bakery, dairy, meat products and beverages. Carbohydr Polym 2024; 323:121396. [PMID: 37940290 DOI: 10.1016/j.carbpol.2023.121396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 11/10/2023]
Abstract
Fructooligosaccharides (FOS) and inulin are the most used fructans in food manufacturing, including bakery, dairy, meat products and beverages. In this context, this review investigated the recent findings concerning health claims associated with a diet supplemented with fructans according to human trial results. Fructans have been applied in different food classes due to their proven benefits to human health. Human clinical trials have revealed several effects of fructans supplementation on health such as improved glycemic control, growth of beneficial gut bacteria, weight management, positive influence on immune function, and others. These dietary fibers have a wide range of compounds with different molecular sizes, implying a great variety of technological properties depending on the food application of interest. Inulin has been mainly applied as a fat substitute and prebiotic ingredient. In general, inulin reduces the energy content and improves the structure, viscosity, emulsion, and water retention parameters of food products. Meanwhile, FOS have been more successful when used as a sucrose substitute and prebiotic ingredient. However, overall, FOS and inulin are promising alternatives for the development of structured systems dedicated to increase the functionality of foods and beverages besides reducing fat in bakery, dairy, and meat products.
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Affiliation(s)
- Aline de Carvalho Correa
- Graduate Program in Chemical Engineering, Institute of Science and Technology, Federal University of Alfenas - Campus Poços de Caldas, 37715-400 Poços de Caldas, Minas Gerais, Brazil
| | - Melina Savioli Lopes
- Graduate Program in Chemical Engineering, Institute of Science and Technology, Federal University of Alfenas - Campus Poços de Caldas, 37715-400 Poços de Caldas, Minas Gerais, Brazil
| | - Rafael Firmani Perna
- Graduate Program in Chemical Engineering, Institute of Science and Technology, Federal University of Alfenas - Campus Poços de Caldas, 37715-400 Poços de Caldas, Minas Gerais, Brazil
| | - Eric Keven Silva
- School of Food Engineering, University of Campinas, 13083-862, Campinas, São Paulo, Brazil.
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4
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Lv Z, Wang B, Wang B, Zhang H. In vivo comprehensive metabolite profiling of esculetin and esculin derived from chicory in hyperuricemia rats using ultra-high-performance liquid chromatography coupled with quadrupole-orbitrap high-resolution mass spectrometry. J Sep Sci 2024; 47:e2300664. [PMID: 38010472 DOI: 10.1002/jssc.202300664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/08/2023] [Accepted: 11/11/2023] [Indexed: 11/29/2023]
Abstract
Chicory, renowned for its multifaceted benefits, houses two vital coumarins, esculetin and esculin, both instrumental in reducing uric acid. This study emphasizes the metabolic pathways of esculetin and esculin under both standard and hyperuricemia conditions. Hyperuricemia was induced in Sprague-Dawley rats using oxonic acid potassium salt (300 mg·kg-1 ) and a 10% fructose water regimen over 21 days. Leveraging the ultra-high-performance liquid chromatography-Q Exactive hybrid quadrupole-orbitrap high resolution mass spectrometry, we analyzed the fragmentation behaviors of esculetin and esculin in rat bio-samples. Post oral-intake of esculetin or esculin, a notable dip in serum uric acid levels was observed in hyperuricemia rats. The investigation unveiled 24 esculetin metabolites and 14 for esculin. The metabolic pathways of both compounds were hydrolysis, hydroxylation, hydrogenation, dehydroxylation, glucuronidation, sulfation, and methylation. Interestingly, certain metabolites presented variations between standard and hyperuricemia rats, indicating that elevated levels of uric acid may affect enzyme activity linked to these metabolic reactions. This is the first systematic study on comparison of metabolic profiles of esculetin and esculin in both normal and hyperuricemia states, which was helpful to enrich our understanding of the complicated structure-activity relationships between esculin and esculetin and shed light to their action mechanism.
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Affiliation(s)
- Zheng Lv
- Institute of Traditional Medicine Analysis, Shandong Academy of Chinese Medicine, Jinan, P. R. China
- High-level Key Discipline of Traditional Medicine Analysis of the National Administration of Traditional Chinese Medicine, Jinan, P. R. China
| | - Boyang Wang
- Institute of Traditional Medicine Analysis, Shandong Academy of Chinese Medicine, Jinan, P. R. China
- High-level Key Discipline of Traditional Medicine Analysis of the National Administration of Traditional Chinese Medicine, Jinan, P. R. China
| | - Bianli Wang
- Institute of Traditional Medicine Analysis, Shandong Academy of Chinese Medicine, Jinan, P. R. China
- High-level Key Discipline of Traditional Medicine Analysis of the National Administration of Traditional Chinese Medicine, Jinan, P. R. China
| | - Huimin Zhang
- Institute of Traditional Medicine Analysis, Shandong Academy of Chinese Medicine, Jinan, P. R. China
- High-level Key Discipline of Traditional Medicine Analysis of the National Administration of Traditional Chinese Medicine, Jinan, P. R. China
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Gil-Hernández E, Ruiz-González C, Rodriguez-Arrastia M, Ropero-Padilla C, Rueda-Ruzafa L, Sánchez-Labraca N, Roman P. Effect of gut microbiota modulation on sleep: a systematic review and meta-analysis of clinical trials. Nutr Rev 2023; 81:1556-1570. [PMID: 37023468 DOI: 10.1093/nutrit/nuad027] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
CONTEXT A bidirectional relationship between gut microbiota (GM) and circadian rhythms has been proposed. OBJECTIVE The aim of this study was to analyze the efficacy of probiotic or prebiotic intervention on sleep quality and quantity. DATA SOURCES A systematic review and meta-analysis were conducted using the databases PubMed (MEDLINE), Embase, CINAHL, and Web of Science. Only randomized clinical trials written in English or Spanish were considered. DATA EXTRACTION The initial search resulted in 219 articles. Following the removal of duplicates and consideration of the selection criteria, 25 articles were selected for the systematic review and 18 articles for the meta-analysis. DATA ANALYSIS Microbiota modulation was not demonstrated to be associated with significant improvement in sleep quality in the present meta-analysis (P = 0.31). In terms of sleep duration, the meta-analysis found no improvement due to GM modulation (P = 0.43). CONCLUSION The results of this meta-analysis indicate that there is still insufficient evidence to support the relationship between GM modulation and improved sleep quality. While several studies assume that including probiotics in the diet will undoubtedly improve sleep quality, more research is needed to fully understand this phenomenon. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42021245118.
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Affiliation(s)
| | | | - Miguel Rodriguez-Arrastia
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Carmen Ropero-Padilla
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Lola Rueda-Ruzafa
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Nuria Sánchez-Labraca
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
| | - Pablo Roman
- Faculty of Health Sciences, Department of Nursing Science, Physiotherapy and Medicine, University of Almeria, Almeria, Spain
- Health Research Center CEINSA, University of Almeria, Almeria, Spain
- Research Group CTS-1114 Health Sciences, University of Almeria, Almeria, Spain
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Jackson PP, Wijeyesekera A, Williams CM, Theis S, van Harsselaar J, Rastall RA. Inulin-type fructans and 2'fucosyllactose alter both microbial composition and appear to alleviate stress-induced mood state in a working population compared to placebo (maltodextrin): the EFFICAD Trial, a randomized, controlled trial. Am J Clin Nutr 2023; 118:938-955. [PMID: 37657523 PMCID: PMC10636234 DOI: 10.1016/j.ajcnut.2023.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND There is increasing interest in the bidirectional relationship existing between the gut and brain and the effects of both oligofructose and 2'fucosyllactose to alter microbial composition and mood state. Yet, much remains unknown about the ability of oligofructose and 2'fucosyllactose to improve mood state via targeted manipulation of the gut microbiota. OBJECTIVES We aimed to compare the effects of oligofructose and 2'fucosyllactose alone and in combination against maltodextrin (comparator) on microbial composition and mood state in a working population. METHODS We conducted a 5-wk, 4-arm, parallel, double-blind, randomized, placebo-controlled trial in 92 healthy adults with mild-to-moderate levels of anxiety and depression. Subjects were randomized to oligofructose 8 g/d (plus 2 g/d maltodextrin); maltodextrin 10 g/d; oligofructose 8 g/d plus 2'fucosyllactose (2 g/d) or 2'fucosyllactose 2 g/d (plus 8 g/d maltodextrin). Changes in microbial load (fluorescence in situ hybridization-flow cytometry) and composition (16S ribosomal RNA sequencing) were the primary outcomes. Secondary outcomes included gastrointestinal sensations, bowel habits, and mood state parameters. RESULTS There were significant increases in several bacterial taxa including Bifidobacterium, Bacteroides, Roseburia, and Faecalibacterium prausnitzii in both the oligofructose and oligofructose/2'fucosyllactose interventions (all P ≤ 0.05). Changes in bacterial taxa were highly heterogenous upon 2'fuscoyllactose supplementation. Significant improvements in Beck Depression Inventory, State Trait Anxiety Inventory Y1 and Y2, and Positive and Negative Affect Schedule scores and cortisol awakening response were detected across oligofructose, 2'fucosyllactose, and oligofructose/2'fucosyllactose combination interventions (all P ≤ 0.05). Both sole oligofructose and oligofructose/2'fuscosyllactose combination interventions outperformed both sole 2'fucosyllactose and maltodextrin in improvements in several mood state parameters (all P ≤ 0.05). CONCLUSION The results of this study indicate that oligofructose and combination of oligofructose/2'fucosyllactose can beneficially alter microbial composition along with improving mood state parameters. Future work is needed to understand key microbial differences separating individual responses to 2'fucosyllactose supplementation. This trial was registered at clinicaltrials.gov as NCT05212545.
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Affiliation(s)
- Peter Pj Jackson
- Department of Food and Nutritional Sciences, University of Reading, Reading, United Kingdom
| | - Anisha Wijeyesekera
- Department of Food and Nutritional Sciences, University of Reading, Reading, United Kingdom
| | - Claire M Williams
- University of Reading, School of Psychology and Clinical Language Science, Reading, United Kingdom
| | | | | | - Robert A Rastall
- Department of Food and Nutritional Sciences, University of Reading, Reading, United Kingdom.
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Camacho-Díaz BH, Arenas-Ocampo ML, Osorio-Díaz P, Jiménez-Aparicio AR, Alvarado-Jasso GM, Saavedra-Briones EV, Valdovinos-Díaz MÁ, Gómez-Reyes E. The Effects of Agave Fructans in a Functional Food Consumed by Patients with Irritable Bowel Syndrome with Constipation: A Randomized, Double-Blind, Placebo-Controlled Trial. Nutrients 2023; 15:3526. [PMID: 37630717 PMCID: PMC10460012 DOI: 10.3390/nu15163526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 07/26/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Irritable bowel syndrome displays three different subtypes: constipation (IBS-C), diarrhea (IBS-D), and mixed (IBS-M). Treatment with dietary fiber is used, with consideration given both to the chemical composition of the fiber and to the different subtypes of IBS. The IBS-D subtype is usually treated with a low-FODMAPs diet, whereas the IBS-C subtype suggests prebiotics and probiotics to promote microbiota restoration. The aim of this study was to assess the effects of employing agave fructans as the soluble fiber of a jelly (Gelyfun®gastro) containing 8 g per serving in the IBS-C group (n = 50), using a randomized, double-blind, time-limited trial for four weeks. We evaluated changes in the frequency and types of bowel movements through the Bristol scale, and the improvement of the condition was evaluated using quality of life (IBS-QOL) and anxiety-depression (HADS) scales. The main results were that the number of bowel movements increased by more than 80%, with at least one stool per day from fifteen days onwards, without a laxative effect for the group treated. Finally, the quality of life with the prebiotic jelly was significantly improved compared to the placebo in all specific domains, in addition to significantly reducing anxiety and depression.
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Affiliation(s)
- Brenda Hildeliza Camacho-Díaz
- Centro de Desarrollo de Productos Bióticos, Instituto Politécnico Nacional, San Isidro, Yautepec 62731, Morelos, Mexico; (M.L.A.-O.); (P.O.-D.); (A.R.J.-A.)
| | - Martha Lucía Arenas-Ocampo
- Centro de Desarrollo de Productos Bióticos, Instituto Politécnico Nacional, San Isidro, Yautepec 62731, Morelos, Mexico; (M.L.A.-O.); (P.O.-D.); (A.R.J.-A.)
| | - Perla Osorio-Díaz
- Centro de Desarrollo de Productos Bióticos, Instituto Politécnico Nacional, San Isidro, Yautepec 62731, Morelos, Mexico; (M.L.A.-O.); (P.O.-D.); (A.R.J.-A.)
| | - Antonio Ruperto Jiménez-Aparicio
- Centro de Desarrollo de Productos Bióticos, Instituto Politécnico Nacional, San Isidro, Yautepec 62731, Morelos, Mexico; (M.L.A.-O.); (P.O.-D.); (A.R.J.-A.)
| | | | - Edén Valfré Saavedra-Briones
- Facultad de Nutrición, Universidad Autónoma del Estado de Morelos, Vista Hermosa, Cuernavaca 62290, Morelos, Mexico;
| | - Miguel Ángel Valdovinos-Díaz
- Laboratorio de Motilidad Gastrointestinal del Departamento de Gastroenterología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Tlalpan, Ciudad de México 14080, Mexico;
| | - Elisa Gómez-Reyes
- Escuela de Medicina y Ciencias de la Salud, Tecnologico de Monterrey, Campus Ciudad de México, Calle del Puente 222, Col Ejidos de Huipulco, Tlalpan, Ciudad de México 14380, Mexico
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8
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Luo M, Xiong L, Zhang L, Xu Q. Efficacy and safety of Bifidobacterium quadruple viable tablets combined with mosapride citrate in the treatment of constipation in China: a systematic review and meta-analysis. BMC Gastroenterol 2023; 23:245. [PMID: 37464298 DOI: 10.1186/s12876-023-02884-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 07/12/2023] [Indexed: 07/20/2023] Open
Abstract
AIM To analyze the efficacy and safety of Bifidobacterium quadruple viable tablets combined with mosapride citrate for the treatment of constipation. METHODS A systematic review was performed on studies published until July 2022 in PubMed, Embase, China National Knowledge Infrastructure, and Wanfang. The efficacy rate, adverse reaction rate, recurrence rate, and clinical symptoms were included in the measured outcomes. RESULTS The efficacy of Bifidobacterium quadruple viable tablets combined with mosapride citrate in the treatment of constipation was higher than that of mosapride citrate alone (OR = 4.75, 95% CI (3.27, 6.90), Z = 8.19, P < 0.001; I2 = 0.0%, P = 0.645). There was no significant difference in the incidence of adverse reactions between the two groups (OR = 0.97, 95% CI (0.61,1.57), Z = 0.11, P = 0.911; I2 = 0.0%, P = 0.958). The recurrence rate of constipation in patients receiving the combination treatment was lower than that of patients treated with mosapride citrate alone (OR = 0.48, 95%CI (0.31, 0.73), Z = 3.38, P = 0.001; I2 = 29.8%, P = 0.200). CONCLUSIONS Bifidobacterium quadruple viable tablets combined with mosapride citrate demonstrated efficacy and safety in treating constipation. Probiotics have the potential to positively influence gut health and microbial profiles in patients with functional constipation.
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Affiliation(s)
- Mei Luo
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Sun Yat-Sen University, NO.58 Zhongshan Road 2, 510080, Guangzhou, China
| | - Lishou Xiong
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Sun Yat-Sen University, NO.58 Zhongshan Road 2, 510080, Guangzhou, China.
| | - Lu Zhang
- Hangzhou Grand Biologics Pharmaceutical Co. LTD, Hangzhou, 050000, China
| | - Qinchang Xu
- Hangzhou Grand Biologics Pharmaceutical Co. LTD, Hangzhou, 050000, China
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9
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Du M, Cheng X, Qian L, Huo A, Chen J, Sun Y. Extraction, Physicochemical Properties, Functional Activities and Applications of Inulin Polysaccharide: a Review. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2023; 78:243-252. [PMID: 37097509 DOI: 10.1007/s11130-023-01066-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/12/2023] [Indexed: 06/19/2023]
Abstract
Inulin is a naturally soluble dietary fiber that is widely distributed and primarily derived from plants. As a reserve biopolysaccharide in plants, inulin is considered an indigestible carbohydrate of fructan because of its unique β-(2,1)-glycosidic bond structure. Numerous recent animal and human experimental studies have shown that functional inulin possesses multiple bioactivities, including immunomodulatory, antioxidant, antitumor, hepatoprotective, hypoglycemic, and gastrointestinal protective activities. Due to its increasing popularity, people tend to consume foods containing inulin. Moreover, inulin holds promise as a bioactive compound for use in the development of various food products. Therefore, this paper provides a detailed review of the extraction method, physicochemical properties, functional activity, and application development of inulin polysaccharides, to provide a theoretical foundation for further advancements in the fields of preparation and application of functional foods.
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Affiliation(s)
- Mengxiang Du
- College of Agriculture, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Xueyan Cheng
- College of Life and Health Sciences, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Lijuan Qian
- College of Agriculture, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Ayue Huo
- College of Life and Health Sciences, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Jia Chen
- College of Life and Health Sciences, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Yujun Sun
- College of Life and Health Sciences, Anhui Science and Technology University, Fengyang, 233100, Anhui, China.
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10
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Stribling P, Ibrahim F. Dietary fibre definition revisited - The case of low molecular weight carbohydrates. Clin Nutr ESPEN 2023; 55:340-356. [PMID: 37202067 DOI: 10.1016/j.clnesp.2023.04.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 04/16/2023] [Indexed: 05/20/2023]
Abstract
Low molecular weight (LMW) non-digestible carbohydrates (namely, oligosaccharides and inulin) are accepted as dietary fibre in many countries worldwide. The inclusion of oligosaccharides as dietary fibre was made optional within the Codex Alimentarius definition in 2009, which has caused great controversy. Inulin is accepted as dietary fibre by default, due to being a non-digestible carbohydrate polymer. Oligosaccharides and inulin occur naturally in numerous foods and are frequently incorporated into commonly consumed food products for a variety of purposes, such as to increase dietary fibre content. LMW non-digestible carbohydrates, due to their rapid fermentation in the proximal colon, may cause deleterious effects in individuals with functional bowel disorders (FBDs) and, as such, are excluded on the low FODMAP (fermentable oligosaccharides, disaccharides, and polyols) diet and similar protocols. Their addition to food products as dietary fibre allows the use of associated nutrition/health claims, causing a paradox for those with FBDs, which is further complicated by lack of clarity on food labelling. Therefore, this review aimed to discuss whether the inclusion of LMW non-digestible carbohydrates within the Codex definition of dietary fibre is warranted. This review provides justification for the exclusion of oligosaccharides and inulin from the Codex definition of dietary fibre. LMW non-digestible carbohydrates could, instead, be placed in their own category as prebiotics, recognised for their specific functional properties, or considered food additives, whereby they are not promoted for being beneficial for health. This would preserve the concept of dietary fibre being a universally beneficial dietary component for all individuals.
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Affiliation(s)
- Philippa Stribling
- UCL Division of Medicine, 5 University Street, London, WC1E 6JF, United Kingdom.
| | - Fandi Ibrahim
- University of Suffolk, Life Sciences, Ipswich, IP4 1QJ, United Kingdom.
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11
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Rosa CD, Altomare A, Terrigno V, Carbone F, Tack J, Cicala M, Guarino MPL. Constipation-Predominant Irritable Bowel Syndrome (IBS-C): Effects of Different Nutritional Patterns on Intestinal Dysbiosis and Symptoms. Nutrients 2023; 15:nu15071647. [PMID: 37049488 PMCID: PMC10096616 DOI: 10.3390/nu15071647] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disorder characterized by abdominal pain associated with defecation or a change in bowel habits. The pathogenesis of IBS is not completely clear, but it is known to be multifactorial and complex. Endogenous and exogenous factors such as abnormal GI motility, low-grade inflammation, increased epithelial permeability and visceral hypersensitivity, but diet and psychosocial aspects are also recognized as important actors. Furthermore, the interaction between diet and gut microbiota has gained interest as a potential contributor to the pathophysiology of IBS. To date, there is no specific diet for IBS with constipation (IBS-C); however, many studies show that fiber intake, especially soluble fiber such as inulin, could have a positive effect on symptoms. This review aims to evaluate the effects of some nutritional components such as fibers but also functional foods, prebiotics, probiotics and symbiotics on symptoms and microbiota in IBS-C subjects.
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Affiliation(s)
- Claudia Di Rosa
- Research Unit of Food Science and Human Nutrition, Department of Science and Technology for Humans and the Environment, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21-00128 Roma, Italy; (C.D.R.)
| | - Annamaria Altomare
- Research Unit of Gastroenterology, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21-00128 Roma, Italy
- Operative Research Unit of Gastroenterology, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200-00128 Roma, Italy
- Correspondence:
| | - Vittoria Terrigno
- Research Unit of Food Science and Human Nutrition, Department of Science and Technology for Humans and the Environment, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21-00128 Roma, Italy; (C.D.R.)
| | - Florencia Carbone
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Jan Tack
- Department of Gastroenterology and Hepatology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Michele Cicala
- Research Unit of Gastroenterology, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21-00128 Roma, Italy
- Operative Research Unit of Gastroenterology, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200-00128 Roma, Italy
| | - Michele Pier Luca Guarino
- Research Unit of Gastroenterology, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21-00128 Roma, Italy
- Operative Research Unit of Gastroenterology, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200-00128 Roma, Italy
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Qin YQ, Wang LY, Yang XY, Xu YJ, Fan G, Fan YG, Ren JN, An Q, Li X. Inulin: properties and health benefits. Food Funct 2023; 14:2948-2968. [PMID: 36876591 DOI: 10.1039/d2fo01096h] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
Inulin, a soluble dietary fiber, is widely found in more than 36 000 plant species as a reserve polysaccharide. The primary sources of inulin, include Jerusalem artichoke, chicory, onion, garlic, barley, and dahlia, among which Jerusalem artichoke tubers and chicory roots are often used as raw materials for inulin production in the food industry. It is universally acknowledged that inulin as a prebiotic has an outstanding effect on the regulation of intestinal microbiota via stimulating the growth of beneficial bacteria. In addition, inulin also exhibits excellent health benefits in regulating lipid metabolism, weight loss, lowering blood sugar, inhibiting the expression of inflammatory factors, reducing the risk of colon cancer, enhancing mineral absorption, improving constipation, and relieving depression. In this review paper, we attempt to present an exhaustive overview of the function and health benefits of inulin.
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Affiliation(s)
- Yu-Qing Qin
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
| | - Liu-Yan Wang
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
| | - Xin-Yu Yang
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
| | - Yi-Jie Xu
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
| | - Gang Fan
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
| | - Yan-Ge Fan
- Institute of Chemistry Co. Ltd, Henan Academy of Sciences, Zhengzhou 450002, China
| | - Jing-Nan Ren
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
| | - Qi An
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
| | - Xiao Li
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, 430070, China.
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Araújo MM, Botelho PB. Probiotics, prebiotics, and synbiotics in chronic constipation: Outstanding aspects to be considered for the current evidence. Front Nutr 2022; 9:935830. [PMID: 36570175 PMCID: PMC9773270 DOI: 10.3389/fnut.2022.935830] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 11/14/2022] [Indexed: 12/13/2022] Open
Abstract
This integrative aimed to evaluate the effects and the potential mechanism of action of prebiotics, probiotics, and synbiotics on constipation-associated gastrointestinal symptoms and to identify issues that still need to be answered. A literature search was performed in the PubMed database. Animal models (n = 23) and clinical trials (n = 39) were included. In animal studies, prebiotic, probiotic, and synbiotic supplementation showed a decreased colonic transit time (CTT) and an increase in the number and water content of feces. In humans, inulin is shown to be the most promising prebiotic, while B. lactis and L. casei Shirota probiotics were shown to increase defecation frequency, the latter strain being more effective in improving stool consistency and constipation symptoms. Overall, synbiotics seem to reduce CTT, increase defecation frequency, and improve stool consistency with a controversial effect on the improvement of constipation symptoms. Moreover, some aspects of probiotic use in constipation-related outcomes remain unanswered, such as the best dose, duration, time of consumption (before, during, or after meals), and matrices, as well as their effect and mechanisms on the regulation of inflammation in patients with constipation, on polymorphisms associated with constipation, and on the management of constipation via 5-HT. Thus, more high-quality randomized control trials (RCTs) evaluating these lacking aspects are necessary to provide safe conclusions about their effectiveness in managing intestinal constipation.
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15
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Wan J, Ma J. Efficacy of dietary supplements targeting gut microbiota in the prevention and treatment of gestational diabetes mellitus. Front Microbiol 2022; 13:927883. [PMID: 35910625 PMCID: PMC9330481 DOI: 10.3389/fmicb.2022.927883] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/29/2022] [Indexed: 12/21/2022] Open
Abstract
Gestational diabetes mellitus (GDM) is a kind of metabolic disease occurring during gestation period, which often leads to adverse pregnancy outcomes and seriously harms the health of mothers and infants. The pathogenesis of GDM may be bound up with the abnormal gut microbiota composition in pregnant women. Previous studies have clarified that dietary supplements can regulate the gut microbiota to play a role. Therefore, using dietary supplements, such as probiotics, prebiotics, and synbiotics to target the gut microbiota to regulate the disordered gut microbiota would become a potential method that benefits for preventing and treating GDM. This paper reviews a series of clinical trials in recent years, expounds on the clinical effects of dietary supplements such as probiotics on GDM, and discusses the intervention effects of dietary supplements on GDM related risk factors, including overweight, obesity, and type 2 diabetes mellitus (T2DM). In addition, the relationship of GDM and gut microbiota is also discussed, and the possible mechanisms of dietary supplements are summarized. This review will help to promote the further development of dietary supplements targeting gut microbiota and provide more knowledge support for clinical application in the prevention and treatment of various diseases.
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van der Schoot A, Drysdale C, Whelan K, Dimidi E. The Effect of Fiber Supplementation on Chronic Constipation in Adults: An Updated Systematic Review and Meta-Analysis of Randomized Controlled Trials. Am J Clin Nutr 2022; 116:953-969. [PMID: 35816465 PMCID: PMC9535527 DOI: 10.1093/ajcn/nqac184] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 06/28/2022] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Chronic constipation is a prevalent disorder that remains challenging to treat. Studies suggest increasing fiber intake may improve symptoms, although recommendations on the fiber type, dose, and treatment duration are unclear. OBJECTIVES We investigated the effects of fiber supplementation on stool output, gut transit time, symptoms, and quality of life in adults with chronic constipation via a systematic review and meta-analysis of randomized controlled trials (RCTs). METHODS Studies were identified using electronic databases, backward citation, and hand searches of abstracts. RCTs reporting administration of fiber supplementation in adults with chronic constipation were included. Risks of bias (RoB) was assessed with the Cochrane RoB 2.0 tool. Results were synthesized using risk ratios (RRs), mean differences, or standardized mean differences (SMDs) and 95% CIs using a random-effects model. RESULTS Sixteen RCTs with 1251 participants were included. Overall, 311 of 473 (66%) participants responded to fiber treatment and 134 of 329 (41%) responded to control treatment [RR: 1.48 (95% CI: 1.17, 1.88; P = 0.001); I2 = 57% (P = 0.007)], with psyllium and pectin having significant effects. A higher response to treatment was apparent in fiber groups compared to control groups irrespective of the treatment duration, but only with higher fiber doses (>10 g/d). Fiber increased stool frequency [SMD: 0.72 (95% CI: 0.36, 1.08; P = 0.0001); I2 = 86% (P < 0.00001)]; psyllium and pectin had significant effects, and improvement was apparent only with higher fiber doses and greater treatment durations (≥4 weeks). Fiber improved stool consistency (SMD: 0.32; 95% CI: 0.18, 0.46; P < 0.0001), particularly with higher fiber doses. Flatulence was higher in fiber groups compared to control groups(SMD: 0.80; 95% CI: 0.47, 1.13; P < 0.00001). CONCLUSIONS Fiber supplementation is effective at improving constipation. Particularly, psyllium, doses >10 g/d and treatment durations of at least 4 weeks appear optimal, though caution is needed when interpreting the results due to considerable heterogeneity. These findings provide promising evidence on the optimal type and regime of fiber supplementation, which could be used to standardize recommendations to patients. The protocol for this review is registered at PROSPERO as CRD42020191404.
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Affiliation(s)
- Alice van der Schoot
- Department of Nutritional Sciences, King's College London, London, United Kingdom
| | - Candice Drysdale
- Department of Nutritional Sciences, King's College London, London, United Kingdom
| | - Kevin Whelan
- Department of Nutritional Sciences, King's College London, London, United Kingdom
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A high-fibre personalised dietary advice given via a web tool reduces constipation complaints in adults. J Nutr Sci 2022; 11:e31. [PMID: 35573462 PMCID: PMC9066321 DOI: 10.1017/jns.2022.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 03/28/2022] [Accepted: 04/01/2022] [Indexed: 11/07/2022] Open
Abstract
Constipation can greatly impact the quality of life (QoL), which can be relieved by dietary fibres; however, preserving a higher fibre intake remains a challenge. We investigated the effects of a personalised dietary advice (PDA) on fibre intake and mild constipation complaints. A total number of twenty-five adults with mild constipation complaints were included in a 4-week observation period followed by a 4-week personalised intervention. The PDA provided high-fibre alternatives via a web tool. In weeks 1, 4 and 8, dietary intake, constipation complaints and QoL were assessed. Furthermore, participants collected a faecal sample at weeks 1, 4 and 8 to determine microbiota diversity and composition, and short-chain fatty acids (SCFA). Participants completed questions daily for 8 weeks regarding abdominal complaints, stool frequency and stool consistency. Fibre intake in week 8 was significantly higher compared to week 1 (Δ = 5·7 ± 6·7 g, P < 0·001) and week 4 (Δ = 5·2 ± 6·4 g, P < 0·001). Constipation severity and QoL significantly improved at week 8 compared to the observation period (P < 0·001). A higher fibre intake significantly reduced constipation severity (β = -0·031 (-0·05; -0·01), P = 0·001) and the QoL (β = -0·022 (-0·04; -0·01), P = 0·009). Stool consistency (P = 0·040) and abdominal pain (P = 0·030) improved significantly during the intervention period (P = 0·040), but stool frequency did not. Average microbial alpha diversity and composition and SCFA concentrations did not change over time, but indicated individual-specific dynamics. Several SCFAs were associated with constipation complaints. To conclude, a PDA effectively increased fibre intake and subsequently reduced constipation complaints, indicating that guided dietary adjustments are important and feasible in the treatment of mild constipation complaints.
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Key Words
- BMI, body mass index
- Constipation
- Dietary fibre
- EMA, ecological momentary assessment
- FFQ, food frequency questionnaire
- Functional bowel disorders
- IBS-C, Irritable Bowel Syndrome constipation predominant
- MET, metabolic equivalent task
- PAC-QoL, Patient Assessment of Constipation Quality of Life
- PAC-SYM, Patient Assessment of Constipation Symptoms
- PDA, personalised dietary advice
- Personalised nutrition
- QoL, quality of life
- Quality of life
- SQUASH, short questionnaire to assess health-enhancing physical activity
- VAS, visual analogue scale
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Bărboi OB, Chirilă I, Ciortescu I, Anton C, Drug VL. Inulin, Choline and Silymarin in the Treatment of Irritable Bowel Syndrome with Constipation-Randomized Case-Control Study. J Clin Med 2022; 11:jcm11082248. [PMID: 35456341 PMCID: PMC9027095 DOI: 10.3390/jcm11082248] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/04/2022] [Accepted: 04/15/2022] [Indexed: 11/16/2022] Open
Abstract
(1) Background: Irritable bowel syndrome (IBS) is a common disease, with multiple pathophysiological mechanisms involved. A single treatment for all the patients with IBS is not possible. Prebiotics may have a beneficial effect on IBS patients with constipation. (2) Methods: A randomized cross-over case-control study was conducted, including patients with IBS and constipation (IBS-C), who were randomized into two groups receiving a specific constipation diet with or without a food supplement containing inulin, choline and silymarin (Stoptoxin®, Fiterman Pharma, Iasi, Romania). Patients were evaluated at baseline, after four and eight weeks, using a questionnaire to assess IBS symptoms. (3) Results: 51 IBS-C patients were included, of which 47 patients finished the trial (33 women, mean age 52.82 years). Adding Stoptoxin® to a diet for constipation brought extra benefits. Abdominal pain severity improved by 68.3% after the diet and Stoptoxin® (p = 0.004) and abdominal bloating severity parameter improved by 34.8% (p = 0.040). The stool number per week and the stool consistency according to the Bristol scale were improved, but without statistical significance between groups (p > 0.05). (4) Conclusions: The combination of inulin, choline and silymarin associated with a specific-constipation diet had obvious clinical beneficial effects on IBS-C patients in terms of bowel movement, abdominal pain and bloating.
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Affiliation(s)
- Oana-Bogdana Bărboi
- Department of Gastroenterology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania; (O.-B.B.); (C.A.); (V.-L.D.)
- Institute of Gastroenterology and Hepatology, ‘Saint Spiridon’ Hospital, 700111 Iasi, Romania
| | - Ioan Chirilă
- Environmental Health Department, National Institute of Public Health—RCoPH, 700465 Iasi, Romania;
| | - Irina Ciortescu
- Department of Gastroenterology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania; (O.-B.B.); (C.A.); (V.-L.D.)
- Institute of Gastroenterology and Hepatology, ‘Saint Spiridon’ Hospital, 700111 Iasi, Romania
- Correspondence: ; Tel.: +40-722-955-346
| | - Carmen Anton
- Department of Gastroenterology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania; (O.-B.B.); (C.A.); (V.-L.D.)
- Institute of Gastroenterology and Hepatology, ‘Saint Spiridon’ Hospital, 700111 Iasi, Romania
| | - Vasile-Liviu Drug
- Department of Gastroenterology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iasi, Romania; (O.-B.B.); (C.A.); (V.-L.D.)
- Institute of Gastroenterology and Hepatology, ‘Saint Spiridon’ Hospital, 700111 Iasi, Romania
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He Y, Peng X, Liu Y, Wu Q, Zhou Q, Huang Y, Liu S, Hu L, Fang Z, Lin Y, Xu S, Feng B, Li J, Jiang X, Zhuo Y, Wu D, Che L. Long-term maternal intake of inulin exacerbated the intestinal damage and inflammation of offspring rats in a DSS-induced colitis model. Food Funct 2022; 13:4047-4060. [PMID: 35315466 DOI: 10.1039/d1fo03675k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study aimed to investigate the effects of long-term maternal intake of inulin on intestinal morphology, permeability, inflammation and microbiota of offspring rats treated with dextran sulfate sodium (DSS). Sixteen female adult Sprague-Dawley rats were assigned to two groups receiving the fiber-free diet (FFD) or inulin diet (INU, 5% inulin) for three parities. The offspring weaned rats (third-parity) were fed with the same diet for four weeks until receiving 6% DSS for 7 days; the four groups were as follows: FFD, FFD + DSS, INU and INU + DSS. The results showed that maternal intake of inulin increased the histopathology score and activity of diamine oxidase (DAO) in serum, and the highest histopathology scores and activity of DAO were observed in INU + DSS rats. Maternal intake of inulin increased the activity of myeloperoxidase (MPO), mRNA expressions of inflammatory factors and protein expression of IL-1β in colonic tissues. Likewise, INU + DSS rats had the highest activity of MPO and mRNA expressions of inflammatory factors in colonic tissues. Maternal intake of inulin increased the abundances of Bacteroidetes, Bacteroides and Parasutterella, which were the highest enriched in INU + DSS rats. The level of acetate in the colonic digesta of INU + DSS rats was lower than that in FFD and INU rats. These results indicated that long-term maternal intake of inulin exacerbated the intestinal damage and inflammation of DSS-induced offspring rats, associated with the decreased level of acetate and altered intestinal microbiota.
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Affiliation(s)
- Ying He
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Xie Peng
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Yang Liu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Qing Wu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Qiang Zhou
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Yingyan Huang
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Shiya Liu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Liang Hu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China.
| | - Zhengfeng Fang
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Yan Lin
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Shengyu Xu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Bin Feng
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Jian Li
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Xuemei Jiang
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Yong Zhuo
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - De Wu
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
| | - Lianqiang Che
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
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Cosme F, Inês A, Vilela A. Consumer's acceptability and health consciousness of probiotic and prebiotic of non-dairy products. Food Res Int 2022; 151:110842. [PMID: 34980381 DOI: 10.1016/j.foodres.2021.110842] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 11/01/2021] [Accepted: 11/27/2021] [Indexed: 12/12/2022]
Abstract
Human gut microbiota is a protective agent of intestinal and systemic health, and its modulation is of great interest for human wellbeing. In the world of biotics, besides probiotics, prebiotics, and synbiotics, also appears the denomination of "postbiotics" and "psychobiotics". Fermented dairy products are, traditionally, the major source of probiotics. Nevertheless, due to the increasing number of lactose-intolerant individuals and strict vegetarians, there is a need for innovative non-dairy products. Non-dairy biotics are being included in the normal diet and due to technological advances, many products are created using non-conventional food matrices like kombucha tea, herbal tea, baking mix, and cereal-based products. The microorganisms most used as probiotics in many of the non-dairy products are strains belonging to the genera Bifidobacterium, Enterococcus, Lactobacillus, Lactococcus, Streptococcus, and Bacillus, and some yeast strains namely Saccharomyces cerevisiae var. boulardii. Recently, several other yeasts have been described as having probiotic properties. This review describes gut-derived effects in humans of possible microorganisms, such as yeasts, and bacteria, isolated from non-dairy fermented and non-fermented foods and beverages. The microorganisms responsible for the processing of these non-dairy fermented products, together with the prebiotics, form a class of nutrients that have been proven to be beneficial for our gut health.
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Affiliation(s)
- Fernanda Cosme
- Chemistry Research Centre-Vila Real (CQ-VR), Dep. of Biology and Environment, School of Life Sciences and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - António Inês
- Chemistry Research Centre-Vila Real (CQ-VR), Dep. of Biology and Environment, School of Life Sciences and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Alice Vilela
- Chemistry Research Centre-Vila Real (CQ-VR), Dep. of Biology and Environment, School of Life Sciences and Environment, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.
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Yu J, Ye M, Li K, Wang F, Shi X, Pan C, Yang X, Gao X, Liu W. Fragments of a pectin from Arctium lappa L: Molecular properties and intestinal regulation activity. J Funct Foods 2022. [DOI: 10.1016/j.jff.2021.104900] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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22
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Amadieu C, Coste V, Neyrinck AM, Thijssen V, Leyrolle Q, Bindels LB, Piessevaux H, Stärkel P, de Timary P, Delzenne NM, Leclercq S. Restoring an adequate dietary fiber intake by inulin supplementation: a pilot study showing an impact on gut microbiota and sociability in alcohol use disorder patients. Gut Microbes 2022; 14:2007042. [PMID: 34923905 PMCID: PMC8726664 DOI: 10.1080/19490976.2021.2007042] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/25/2021] [Indexed: 02/08/2023] Open
Abstract
Alcohol use disorder (AUD) is a chronic relapsing disease associated with malnutrition, metabolic disturbances, and gut microbiota alterations that are correlated with the severity of psychological symptoms. This study aims at supplementing AUD patients with prebiotic fiber during alcohol withdrawal, in order to modulate the gut microbiota composition and to evaluate its effect on gastrointestinal tolerance, metabolism, and patient's behavior. A randomized, double-blind, placebo-controlled study included 50 AUD patients assigned to inulin versus maltodextrin daily supplementation for 17 days. Biological measurements (fecal microbial 16S rDNA sequencing, serum biology), dietary intake, validated psychological questionnaires, and gastrointestinal tolerance assessment were performed before and after the intervention. Inulin significantly decreased the richness and evenness and induced changes of 8 genera (q < 0.1) including Bifidobacterium and Bacteroides. Prebiotic had minor effects on gastrointestinal symptoms and nutritional intakes compared to placebo. All patients showed an improvement in depression, anxiety, and craving scores during alcohol withdrawal regardless of the intervention group. Interestingly, only patients treated with inulin significantly improved the sociability score and had an increased serum level of brain-derived neurotrophic factor. This pilot study shows that inulin is well tolerated and modulates the gut microbiota and the social behavior in AUD patients, without further improving other psychological and biological parameters as compared to placebo. Gut2Brain study, clinicaltrial.gov: NCT03803709, https://clinicaltrials.gov/ct2/show/NCT03803709.
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Affiliation(s)
- Camille Amadieu
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
- Institute of Neuroscience, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
| | - Valentin Coste
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
| | - Audrey M. Neyrinck
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
| | - Victoria Thijssen
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
| | - Quentin Leyrolle
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
| | - Laure B. Bindels
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
| | - Hubert Piessevaux
- Department of Hepato-Gastroenterology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Institute of Experimental and Clinical Research, Laboratory of Hepato-Gastroenterology, Université Catholique De Louvain, UCLouvain, Belgium
| | - Peter Stärkel
- Department of Hepato-Gastroenterology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Institute of Experimental and Clinical Research, Laboratory of Hepato-Gastroenterology, Université Catholique De Louvain, UCLouvain, Belgium
| | - Philippe de Timary
- Institute of Neuroscience, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
- Department of Adult Psychiatry, Cliniques Universitaires Saint Luc, Brussels, Belgium
| | - Nathalie M. Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
| | - Sophie Leclercq
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
- Institute of Neuroscience, Université Catholique De Louvain, UCLouvain, Brussels, Belgium
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Wegh CAM, Baaleman DF, Tabbers MM, Smidt H, Benninga MA. Nonpharmacologic Treatment for Children with Functional Constipation: A Systematic Review and Meta-analysis. J Pediatr 2022; 240:136-149.e5. [PMID: 34536492 DOI: 10.1016/j.jpeds.2021.09.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/02/2021] [Accepted: 09/08/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To evaluate the effectiveness and safety of nonpharmacologic interventions for the treatment of childhood functional constipation. STUDY DESIGN Randomized controlled trials (RCTs) evaluating nonpharmacologic treatments in children with functional constipation which reported at least 1 outcome of the core outcome set for children with functional constipation. RESULTS We included 52 RCTs with 4668 children, aged between 2 weeks and 18 years, of whom 47% were females. Studied interventions included gut microbiome-directed interventions, other dietary interventions, oral supplements, pelvic floor-directed interventions, electrical stimulation, dry cupping, and massage therapy. An overall high risk of bias was found across the majority of studies. Meta-analyses for treatment success and/or defecation frequency, including 20 RCTs, showed abdominal electrical stimulation (n = 3), Cassia Fistula emulsion (n = 2), and a cow's milk exclusion diet (n = 2 in a subpopulation with constipation as a possible manifestation of cow's milk allergy) may be effective. Evidence from RCTs not included in the meta-analyses, indicated that some prebiotic and fiber mixtures, Chinese herbal medicine (Xiao'er Biantong granules), and abdominal massage are promising therapies. In contrast, studies showed no benefit for the use of probiotics, synbiotics, an increase in water intake, dry cupping, or additional biofeedback or behavioral therapy. We found no RCTs on physical movement or acupuncture. CONCLUSIONS More well-designed high quality RCTs concerning nonpharmacologic treatments for children with functional constipation are needed before changes in current guidelines are indicated.
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Affiliation(s)
- Carrie A M Wegh
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Department of Pediatric Gastroenterology and Nutrition, Amsterdam, the Netherlands; Laboratory of Microbiology, Wageningen University & Research, Wageningen, the Netherlands.
| | - Desiree F Baaleman
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Department of Pediatric Gastroenterology and Nutrition, Amsterdam, the Netherlands
| | - Merit M Tabbers
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Department of Pediatric Gastroenterology and Nutrition, Amsterdam, the Netherlands
| | - Hauke Smidt
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, the Netherlands
| | - Marc A Benninga
- Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Department of Pediatric Gastroenterology and Nutrition, Amsterdam, the Netherlands
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24
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Naseer M, Poola S, Uraz S, Tahan V. Therapeutic Effects of Prebiotics on Constipation: A Schematic Review. ACTA ACUST UNITED AC 2021; 15:207-215. [PMID: 32048977 DOI: 10.2174/1574884715666200212125035] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 01/09/2020] [Accepted: 01/14/2020] [Indexed: 12/12/2022]
Abstract
Constipation is a highly prevalent functional gastrointestinal disorder that may significantly affect the quality of life and health care costs. Treatment for constipation has been broadly reviewed by cognitive therapies, medications, and surgical interventions. Gut microbiota such as Bifidobacterium, Clostridium, Bacteroidetes, and Lactobacilli have been demonstrated in functional gastrointestinal disorders and prebiotics to play a role in augmenting their presence. Prebiotics are ingredients in foods that remain undigested, stimulating the bacteria. There are a variety of prebiotics; however, there exists only a handful of studies that describe their efficacy for chronic constipation. The purpose of this study is to review the available literature on the utility of different commercially available prebiotics in patients with functional and chronic idiopathic constipation. To fulfil the objectives of the study, published articles in the English language on databases such as Pubmed, Ovid Medline, and EMBASE were searched. The terms prebiotics, constipation, chronic constipation, functional constipation were used. We reviewed and included 21 randomized controlled trials exploring the role of prebiotics in constipated adults. Prebiotics are effective treatments for chronic idiopathic constipation and showed improvement in the stool consistency, number of bowel moments and bloating. Although which prebiotic formulary would promote improved symptoms of constipation is still not clear.
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Affiliation(s)
- Maliha Naseer
- Division of Gastroenterology & Hepatology, Department of Internal Medicine, East Carolina University, Greenville, NC 27834, United States
| | - Shiva Poola
- Department of Internal and Pediatric Medicine, East Carolina University, Greenville, NC 27834, United States
| | - Suleyman Uraz
- Department of Internal Medicine, University of Missouri, Division of Gastroenterology and Hepatology, Columbia, MO 65211, United States
| | - Veysel Tahan
- Department of Internal Medicine, University of Missouri, Division of Gastroenterology and Hepatology, Columbia, MO 65211, United States
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25
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Rijnaarts I, de Roos N, Zoetendal EG, de Wit N, Witteman BJM. Development and validation of the FiberScreen: A short questionnaire to screen fibre intake in adults. J Hum Nutr Diet 2021; 34:969-980. [PMID: 34378249 PMCID: PMC9290675 DOI: 10.1111/jhn.12941] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/28/2021] [Indexed: 01/10/2023]
Abstract
Background Health effects of dietary fibres are the topic of many studies. Eligibility criteria often include a certain fibre intake, which requires dietary screening during recruitment. However, dietary assessment methods are extensive and burdensome for both the researcher and participant. Therefore, we developed and validated a short questionnaire (FiberScreen) to screen fibre intake. Methods The initial five‐item questionnaire assessed fruit, vegetable, whole grain, pasta/rice/potato and legume intake. The optimised FiberScreen included 18 items, which further specified intake of the above‐mentioned categories, and included nuts and seeds. The FiberScreen was completed during two fibre promoting interventions. In Study A, participants without constipation completed the five‐item FiberScreen and a food frequency questionnaire (FFQ) during screening (n = 131), and the 18‐item FiberScreen and a FFQ at 3‐month follow‐up (n = 87). In Study B, 29 constipated participants completed the 18‐item FiberScreen at screening and a FFQ during the first study visit. Results The fibre estimate from the five‐item FiberScreen and the FFQ was moderately correlated (r = 0.356, p < 0.001). Importantly, the 18‐item FiberScreen and FFQ, when data of both studies were combined, had a strong correlation (r = 0.563, p < 0.001). The 18‐item FiberScreen had a lower fibre estimate compared to the FFQ (Δ = 1.2 ± 5.9 g, p = 0.030) but the difference was relatively small. Bland–Altman plots showed a good agreement between the questionnaires. Completion time of the 18‐item FiberScreen was 4.2 ± 2 min. Conclusions The 18‐item FiberScreen is a suitable short screening questionnaire for ranking the fibre intake of adults. The 18‐item FiberScreen can help to reduce screening burden for both the participant and researcher. Dietary screening during recruitment is more elaborate than is often needed, and burdensome for both the researcher and participant. An 18‐item FiberScreen questionnaire to screen fibre intake was developed and validated in Dutch adults with and without gastrointestinal complaints. The 18‐item FiberScreen had a good agreement with a food frequency questionnaire.
Completion time of the 18‐item FiberScreen was around 4 min, compared to 45–60 min for the food frequency questionnaire.
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Affiliation(s)
- Iris Rijnaarts
- Division of Human Nutrition & Health, Wageningen University & Research, Wageningen, The Netherlands.,Laboratory of Microbiology, Wageningen University & Research, Wageningen, The Netherlands.,Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, The Netherlands
| | - Nicole de Roos
- Division of Human Nutrition & Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Erwin G Zoetendal
- Laboratory of Microbiology, Wageningen University & Research, Wageningen, The Netherlands
| | - Nicole de Wit
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, The Netherlands
| | - Ben J M Witteman
- Division of Human Nutrition & Health, Wageningen University & Research, Wageningen, The Netherlands.,Department of Gastroenterology and Hepatology, Hospital Gelderse Vallei, Ede, The Netherlands
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26
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Li L, Li P, Xu L. Assessing the effects of inulin-type fructan intake on body weight, blood glucose, and lipid profile: A systematic review and meta-analysis of randomized controlled trials. Food Sci Nutr 2021; 9:4598-4616. [PMID: 34401107 PMCID: PMC8358370 DOI: 10.1002/fsn3.2403] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/19/2021] [Accepted: 05/16/2021] [Indexed: 12/12/2022] Open
Abstract
Inulin-type fructan (ITF) intake has been suggested to alleviate several features of metabolic syndrome including obesity, diabetes, and hyperlipidemia; yet, results from the human trials remained inconsistent. We aimed to systematically evaluate the effects of ITF intake on body weight, glucose homeostasis, and lipid profile on human subjects with different health status, including healthy, overweight and obese, prediabetes and diabetes, and hyperlipidemia. Weighted mean differences (WMDs) between ITF and control groups were calculated by a random-effects model. A total of 33 randomized controlled human trials were included. Significant effect of ITF intake was only observed in the diabetics, but not in the other subject groups. Specifically, ITF intervention significantly decreased the WMD of blood glucose (-0.42 mmol/L; 95% CI: -0.71, -0.14; p = .004), total cholesterol (-0.46 mmol/L; 95% CI: -0.75, -0.17; p = .002), and triglycerides (TAG) (-0.21 mmol/L; 95% CI: -0.37, -0.05; p = .01) compared with the control. The stability of these favorable effects of ITF on diabetics was confirmed by sensitivity analysis. Also, ITF tends to lower LDL cholesterol (p = .084). But body weight and blood insulin were not affected by ITF intake. It should be noted that blood glucose, total cholesterol, and LDL cholesterol exhibited high unexplained heterogeneity. In conclusion, ITF intake lowers blood glucose, total cholesterol, and TAG in the people with diabetes, and they may benefit from addition of inulin into their diets, but the underlying mechanisms responsible for these effects are inconclusive.
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Affiliation(s)
- Liangkui Li
- State Key Laboratory of Membrane Biology and Tsinghua‐Peking Center for Life SciencesSchool of Life SciencesTsinghua UniversityBeijingChina
| | - Peng Li
- State Key Laboratory of Membrane Biology and Tsinghua‐Peking Center for Life SciencesSchool of Life SciencesTsinghua UniversityBeijingChina
| | - Li Xu
- State Key Laboratory of Membrane Biology and Tsinghua‐Peking Center for Life SciencesSchool of Life SciencesTsinghua UniversityBeijingChina
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27
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Lan J, Wang K, Chen G, Cao G, Yang C. Effects of inulin and isomalto-oligosaccharide on diphenoxylate-induced constipation, gastrointestinal motility-related hormones, short-chain fatty acids, and the intestinal flora in rats. Food Funct 2021; 11:9216-9225. [PMID: 33030479 DOI: 10.1039/d0fo00865f] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The prebiotics inulin (INU) and isomalto-oligosaccharide (IMO) influence intestinal health and immunity, but their effects on constipation are not clearly established. We evaluated the effects of INU and IMO in a rat model of diphenoxylate-induced constipation. Twenty-four male rats were divided into four groups: basal diet (Con), 40 mg kg-1 diphenoxylate (PCon), 20 g kg-1 INU and treated with 40 mg kg-1 diphenoxylate, and 20 g kg-1 IMO and treated with 40 mg kg-1 diphenoxylate. INU and IMO increased the number, weight, and water content of fecal pellets, and decreased the time to the first black stool in rats with constipation. Serum levels of the gastrointestinal motility-related hormones adrenocorticotropic hormone (ACTH), motilin (MTL), and Substance P (SP) were higher and corticosterone (CORT), vasoactive intestinal peptide (VIP), and calcitonin gene-related peptide (CGRP) were lower in rats treated with prebiotics than in untreated rats. Colon tissue levels of MTL and SP were increased, and VIP and CGRP were decreased by prebiotics. Furthermore, in rats with constipation, INU and IMO increased the colonic contents of short-chain fatty acids. The relative abundance of Bacteroidetes was lower in the prebiotics groups than in the Con and PCon groups. Lactobacillus was more abundant in the INU and IMO groups than in PCon rats. Lactobacillus reuteri and Lactobacillus intestinalis were more abundant in the IMO group than in the PCon group (P < 0.01), and L. intestinalis was more abundant in the INU group than in the PCon group (P < 0.01). In summary, INU and IMO improved constipation and altered the intestinal microbiota in a rat model of constipation.
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Affiliation(s)
- Junhong Lan
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou 311300, China.
| | - Kangli Wang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou 311300, China.
| | - Guangyong Chen
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou 311300, China.
| | - Guangtian Cao
- College of Standardisation, China Jiliang University, Hangzhou 310018, China
| | - Caimei Yang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Laboratory for Animal Health and Internet Technology, College of Animal Science and Technology, Zhejiang A & F University, Hangzhou 311300, China.
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28
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Ishizu T, Takai E, Torii S, Taguchi M. Prebiotic Food Intake May Improve Bone Resorption in Japanese Female Athletes: A Pilot Study. Sports (Basel) 2021; 9:sports9060082. [PMID: 34200082 PMCID: PMC8227222 DOI: 10.3390/sports9060082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/25/2021] [Accepted: 06/02/2021] [Indexed: 12/30/2022] Open
Abstract
The aim of the present study was to clarify the influence of inulin and lactulose-fortified prebiotic food intakes on bone metabolism turnover among Japanese female athletes. The participants included 29 female athletes aged 18–25 years. They were requested to consume their habitual foods or drinks with one pack of prebiotic food every day for 12 weeks. Dietary intake, training time, body composition, blood sample, and fecal microbiota were assessed during this intervention period. Body composition, total energy intake, and training time of the participants revealed no significant changes during the intervention period. The occupation ratio of Bifidobacterium spp. was significantly increased at 3 and 4 weeks (18.0 ± 8.3% and 17.6 ± 8.5%, respectively) compared to that of pre-intervention (11.7 ± 7.3%) (p = 0.019 and p = 0.035, respectively). The serum TRACP-5b level was significantly decreased at 12 weeks (363 ± 112 mU/dL) compared to that at baseline (430 ± 154 mU/dL) (p = 0.018). These results suggest that the prebiotic food used in this study might have beneficial effects on bone health and gut microbial environment among female athletes. Further studies are warranted to identify the mechanism of the prebiotics–gut–bone axis.
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Affiliation(s)
- Tatsuya Ishizu
- Graduate School of Sport Sciences, Waseda University, Saitama 359-1192, Japan;
| | - Eri Takai
- Waseda Institute of Sports Nutrition, Saitama 359-1192, Japan; (E.T.); (S.T.)
- Sports Medical Center, Japan Institute of Sports Sciences, Tokyo 115-0056, Japan
| | - Suguru Torii
- Waseda Institute of Sports Nutrition, Saitama 359-1192, Japan; (E.T.); (S.T.)
- Faculty of Sport Sciences, Waseda University, Saitama 359-1192, Japan
| | - Motoko Taguchi
- Waseda Institute of Sports Nutrition, Saitama 359-1192, Japan; (E.T.); (S.T.)
- Faculty of Sport Sciences, Waseda University, Saitama 359-1192, Japan
- Correspondence: ; Tel.: +81-4-2947-6778
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29
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Yoon LS, Michels KB. Characterizing the Effects of Calcium and Prebiotic Fiber on Human Gut Microbiota Composition and Function Using a Randomized Crossover Design-A Feasibility Study. Nutrients 2021; 13:1937. [PMID: 34200105 PMCID: PMC8227192 DOI: 10.3390/nu13061937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/16/2021] [Accepted: 06/02/2021] [Indexed: 12/16/2022] Open
Abstract
Consumption of prebiotic inulin has been found to increase calcium absorption, which may protect against gut diseases such as colorectal cancer. This dietary relation may be modulated by compositional changes in the gut microbiota; however, no human study has addressed this hypothesis. We determined the feasibility of a randomized crossover trial to evaluate the effect of three interventions (combined calcium and inulin supplementation, calcium supplementation alone, and inulin supplementation alone) on the intestinal microbiota composition and function. We conducted a 16-week pilot study in 12 healthy adults who consumed the three interventions in a random sequence. Participants provided fecal and blood samples before and after each intervention. Each intervention period lasted four weeks and was flanked by one-week washout periods. 16S ribosomal RNA sequencing and quantification of short chain fatty acids (SCFA) was determined in fecal samples. Systemic lipopolysaccharide binding protein (LBP) was quantified in serum. Of the 12 individuals assigned to an intervention sequence, seven completed the study. Reasons for dropout included time (n = 3), gastrointestinal discomfort (n = 1), and moving (n = 1). Overall, participants reported positive attitudes towards the protocol (n = 9) but were unsatisfied by the practicalities of supplement consumption (44%) and experienced digestive discomfort (56%). We found no appreciable differences in microbial composition, SCFA concentration, nor LBP concentrations when comparing intervention periods. In conclusion, an intervention study using a randomized crossover design with calcium and a prebiotic fiber is feasible. Improvements of our study design include using a lower dose prebiotic fiber supplement and a larger sample size.
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Affiliation(s)
- Lara S. Yoon
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA 90095, USA;
| | - Karin B. Michels
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA 90095, USA;
- Institute for Prevention and Cancer Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, 79110 Freiburg, Germany
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30
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Verma DK, Patel AR, Thakur M, Singh S, Tripathy S, Srivastav PP, Chávez-González ML, Gupta AK, Aguilar CN. A review of the composition and toxicology of fructans, and their applications in foods and health. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.103884] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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31
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Efficacy and Safety of Over-the-Counter Therapies for Chronic Constipation: An Updated Systematic Review. Am J Gastroenterol 2021; 116:1156-1181. [PMID: 33767108 PMCID: PMC8191753 DOI: 10.14309/ajg.0000000000001222] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 02/04/2021] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Constipation is commonly treated with over-the-counter (OTC) products whose efficacy and safety remain unclear. We performed a systematic review of OTC therapies for chronic constipation and provide evidence-based recommendations. METHODS We searched PubMed and Embase for randomized controlled trials of ≥4-week duration that evaluated OTC preparations between 2004 and 2020. Studies were scored using the US Preventive Services Task Force criteria (0-5 scale) including randomization, blinding, and withdrawals. The strengths of evidence were adjudicated within each therapeutic category, and recommendations were graded (A, B, C, D, and I) based on the level of evidence (level I, good; II, fair; or III, poor). RESULTS Of 1,297 studies identified, 41 met the inclusion criteria. There was good evidence (grade A recommendation) for the use of the osmotic laxative polyethylene glycol (PEG) and the stimulant senna; moderate evidence (grade B) for psyllium, SupraFiber, magnesium salts, stimulants (bisacodyl and sodium picosulfate), fruit-based laxatives (kiwi, mango, prunes, and ficus), and yogurt with galacto-oligosaccharide/prunes/linseed oil; and insufficient evidence (grade I) for polydextrose, inulin, and fructo-oligosaccharide. Diarrhea, nausea, bloating, and abdominal pain were common adverse events, but no serious adverse events were reported. DISCUSSION The spectrum of OTC products has increased and quality of evidence has improved, but methodological issues including variability in study design, primary outcome measures, trial duration, and small sample sizes remain. We found good evidence to recommend polyethylene glycol or senna as first-line laxatives and moderate evidence supporting fiber supplements, fruits, stimulant laxatives, and magnesium-based products. For others, further validation with more rigorously designed studies is warranted.
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32
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Liu X, Yang Q, He Z, Yao S. Efficacy and safety of inulin supplementation for functional constipation: a systematic review protocol. BMJ Open 2021. [PMCID: PMC8039257 DOI: 10.1136/bmjopen-2020-042597] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
IntroductionFunctional constipation (FC) is a common digestive system disease, with an uptrend in morbidity and mortality, resulting in huge social and economic losses. Although the guidelines recommend lifestyle intervention as a first-line treatment, lifestyle intervention is not widely used in clinic. Inulin can be used as the basic material of functional food. Clinical studies have shown that inulin supplementation is associated with increased frequency of bowel movements, but has certain side effects. Therefore, the efficacy and safety of inulin in the treatment of FC need to be further evaluated.Methods and analysisWe will search Medline, Web of Science, Embase, China National Knowledge Infrastructure Database, Wanfang Database and China Biomedical Literature Database. We will also search the China Clinical Trial Registry, the Cochrane Central Register of Controlled Trials and related conference summaries. This systematic review will follow the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. RevMan V.5.3.5 will be used for analysis.Ethics and disseminationThis systematic review will evaluate the efficacy and safety of inulin supplementation for the treatment of FC. All included data will be obtained from published articles, there is no need for the ethical approval, and it will be published in a peer-reviewed journal. Due to lack of a new systematic review in this field, this study will combine relevant randomised controlled trials to better explore the evidence of inulin supplementation in the treatment of FC and guide clinical practice and clinical research.PROSPERO registration numberCRD42020189234.
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Affiliation(s)
- Xinyuan Liu
- Department of Gastroenterology of Traditional Chinese Medicine, Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Qing Yang
- Graduate School, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhongning He
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
- Medical Oncology, China Academy of Chinese Medical Sciences Guanganmen Hospital, Xicheng District, Beijing, China
| | - Shukun Yao
- Institute of Integrated Chinese and Western Medicine, Department of Gastroenterology, China-Japan Friendship Hospital, Beijing, China
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33
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Man S, Liu T, Yao Y, Lu Y, Ma L, Lu F. Friend or foe? The roles of inulin-type fructans. Carbohydr Polym 2021; 252:117155. [DOI: 10.1016/j.carbpol.2020.117155] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/11/2020] [Accepted: 09/25/2020] [Indexed: 02/07/2023]
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34
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Efficient production of inulin and oligosaccharides using thermostable inulosucrase from Lactobacillus jensenii. Int J Biol Macromol 2020; 165:1250-1257. [DOI: 10.1016/j.ijbiomac.2020.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/22/2020] [Accepted: 10/01/2020] [Indexed: 11/20/2022]
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35
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Cheng X, Zheng J, Lin A, Xia H, Zhang Z, Gao Q, Lv W, Liu H. A review: Roles of carbohydrates in human diseases through regulation of imbalanced intestinal microbiota. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104197] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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36
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Bărboi OB, Ciortescu I, Chirilă I, Anton C, Drug V. Effect of inulin in the treatment of irritable bowel syndrome with constipation (Review). Exp Ther Med 2020; 20:185. [PMID: 33101475 DOI: 10.3892/etm.2020.9315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 07/15/2020] [Indexed: 11/05/2022] Open
Abstract
At present, irritable bowel syndrome (IBS) is a common medical problem all over the world that implies considerable social burden and high costs. Considering the different pathophysiological pathways, unitary management for IBS is not possible. Of the therapeutic approaches that have been proposed so far, only a few have been demonstrated to have beneficial effects in IBS patients. The implication of gut microbiota in IBS is obvious, similarly to the therapeutic effect of pro-/prebiotics, which is reflected by the latest publications. The intake of inulin seems to regulate the bowel peristalsis and colonic transit, the consistency and frequency of the stools, as it changes the composition of gut microbiota. The beneficial effect of inulin in patients with IBS-constipation form (IBS-C) is obvious, but still, more randomized controlled clinical trials involving large samples of patients are needed in order to provide more evidence.
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Affiliation(s)
- Oana-Bogdana Bărboi
- Department of Gastroenterology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania.,Institute of Gastroenterology and Hepatology, 'Saint Spiridon' Hospital, 700111 Iasi, Romania
| | - Irina Ciortescu
- Department of Gastroenterology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania.,Institute of Gastroenterology and Hepatology, 'Saint Spiridon' Hospital, 700111 Iasi, Romania
| | - Ioan Chirilă
- Health Related to Environment Department, National Institute of Public Health, 700506 Iasi, Romania
| | - Carmen Anton
- Department of Gastroenterology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania.,Institute of Gastroenterology and Hepatology, 'Saint Spiridon' Hospital, 700111 Iasi, Romania
| | - Vasile Drug
- Department of Gastroenterology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania.,Institute of Gastroenterology and Hepatology, 'Saint Spiridon' Hospital, 700111 Iasi, Romania
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An Overview of Gut Microbiota and Colon Diseases with a Focus on Adenomatous Colon Polyps. Int J Mol Sci 2020; 21:ijms21197359. [PMID: 33028024 PMCID: PMC7582333 DOI: 10.3390/ijms21197359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/30/2020] [Accepted: 10/02/2020] [Indexed: 12/24/2022] Open
Abstract
It is known and accepted that the gut microbiota composition of an organism has an impact on its health. Many studies deal with this topic, the majority discussing gastrointestinal health. Adenomatous colon polyps have a high prevalence as colon cancer precursors, but in many cases, they are hard to diagnose in their early stages. Gut microbiota composition correlated with the presence of adenomatous colon polyps may be a noninvasive and efficient tool for diagnosis with a high impact on human wellbeing and favorable health care costs. This review is meant to analyze the gut microbiota correlated with the presence of adenomatous colon polyps as the first step for early diagnosis, prophylaxis, and treatment.
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Contreras AAG, Garibay EMV, Ramírez CAS, Fafutis Morris M, Delgado Rizo V. Lactobacillus reuteri DSM 17938 and Agave Inulin in Children with Cerebral Palsy and Chronic Constipation: A Double-Blind Randomized Placebo Controlled Clinical Trial. Nutrients 2020; 12:nu12102971. [PMID: 32998471 PMCID: PMC7601218 DOI: 10.3390/nu12102971] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/25/2020] [Accepted: 09/25/2020] [Indexed: 01/10/2023] Open
Abstract
The main objective was to assess the efficacy of a probiotic (Lactobacillus reuteri DSM 17938), a prebiotic (agave inulin), and a synbiotic on the stool characteristics in children with cerebral palsy and chronic constipation. Thirty-seven children with cerebral palsy and chronic constipation were included. The probiotic group received 1 × 108 colony forming unit (cfu) of L. reuteri DSM 17938 plus placebo, the prebiotic group received 4 g of agave inulin plus placebo, the synbiotic group received L. reuteri DSM 17938 plus agave inulin, and the placebo group received two placebos for 28 days. The probiotic group showed a significant decrease in stool pH (p = 0.014). Stool consistency improved in the prebiotic group (p = 0.008). The probiotic, prebiotic, and synbiotic groups showed a significant improvement in the history of excessive stool retention, the presence of fecal mass in the rectum, and the history of painful defecation. L. reuteri concentration in feces was higher in the probiotic group than in the placebo group (p = 0.001) and showed an inverse correlation with stool pH in the probiotic group (r = −0.762, p = 0.028). This study showed that the use of L. reuteri DSM 17938 and/or agave inulin improved the stool characteristics such as the history of painful defecation and the presence of fecal mass in the rectum against placebo in children with cerebral palsy and chronic constipation.
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Affiliation(s)
- Andrea A. García Contreras
- Departamento de Nutrición y Bienestar Integral, Escuela de Medicina, Instituto Tecnológico y de Estudios Superiores Monterrey Campus Guadalajara, C.P. 4520 Zapopan, Jalisco, Mexico;
| | - Edgar M. Vásquez Garibay
- Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, C.P. 44340 Guadalajara, Jalisco, Mexico; (M.F.M.); (V.D.R.)
- Correspondence: ; Tel.: +52-33-36189667
| | - Carmen A. Sánchez Ramírez
- Departamento de la Facultad de Medicina, Facultad de Medicina, Universidad de Colima, C.P. 28040 Colima, Colima, Mexico;
| | - Mary Fafutis Morris
- Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, C.P. 44340 Guadalajara, Jalisco, Mexico; (M.F.M.); (V.D.R.)
| | - Vidal Delgado Rizo
- Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, C.P. 44340 Guadalajara, Jalisco, Mexico; (M.F.M.); (V.D.R.)
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Glibowski P, Skrzypek M, Ćwiklińska M, Drozd M, Kowalska A. Chemical stability of fructans in apple beverages and their influence on chronic constipation. Food Funct 2020; 11:3860-3866. [PMID: 32319465 DOI: 10.1039/c9fo02596k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The aim of this study was to analyse the concentration of reducing sugars in beverages based on apple juice with the addition of 2 and 4% of native and high polymerized inulin as well as oligofructose. Moreover, the effect of the consumption of this potentially prebiotic beverage containing highly polymerized inulin (12 g per 300 mL) on constipation was analysed. Pasteurization of the studied beverages followed by 120-day storage at ambient temperature, carried out in three independent trials, did not cause the hydrolysis of fructans into reducing sugars. Sensory analysis showed that the presence of fructans in beverages based on apple juice did not change the colour, clarity, odour, flavour, sweetness and acidity in comparison to apple juice. A placebo-controlled, randomized study involving 20 volunteers of age 20-29 with symptoms related to chronic constipation showed that the consumption of juice enriched with highly polymerized inulin significantly (p≤ 0.05) increased the frequency of bowel movements and facilitated defecation. The final conclusion is that fructans in beverages based on apple juice are chemically stable, do not affect sensory sensation and can help those with chronic constipation.
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Affiliation(s)
- Paweł Glibowski
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Science in Lublin, Skromna St. 8, 20-704 Lublin, Poland.
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Jung SJ, Oh MR, Park SH, Chae SW. Effects of rice-based and wheat-based diets on bowel movements in young Korean women with functional constipation. Eur J Clin Nutr 2020; 74:1565-1575. [PMID: 32322048 PMCID: PMC7606135 DOI: 10.1038/s41430-020-0636-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 03/04/2020] [Accepted: 04/02/2020] [Indexed: 11/30/2022]
Abstract
Background Although several studies have reported the effects that dietary fiber intake from different types of grains and fiber components have on bowel movements, insufficient attention has been paid to comparing and evaluating the effects of rice-based and wheat-based diets. This study compared and evaluated the effects of ingesting rice-based (brown rice-based diet: BRD; white rice-based diet: WRD) and wheat-based diet (WD) on the bowel movements of young women with functional constipation. Method Based on an open, randomized, controlled, and parallel design, 39 subjects were assigned to BRD, WRD, and WD groups (13 in each group). Each participant had received three types of experimental diets over the course of 4 weeks and we recommended that the subjects eat only the test diet provided during the study. Primary outcomes (total colon transit time TCTT) and secondary outcomes (bowel movements, short-chain fatty acid content, and fecal enzyme activity) were compared before and after the 4-week intervention period. Results After the 4-week study, the rice-based diet (BRD and WRD) groups and the WD group had a statistically significant difference in TCTT (p = 0.028). The TCTT of the BRD group was significantly reduced (p = 0.028) compared with the WRD group (−16.5 ± 8.1 vs +6.8 ± 2.1), and the TCTT of the WD group was also significantly reduced (p = 0.022) compared with that of the WRD group (−17.1 ± 11.9 vs +6.8 ± 2.1). Conclusion Among women with functional constipation, the BRD and WD both improved bowel function by reducing TCTT and increasing the number of bowel movements compared with the WRD group.
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Affiliation(s)
- Su-Jin Jung
- Clinical Trial Center for Functional Foods, Chonbuk National University Hospital, Jeonju, Jeonbuk, 54907, Republic of Korea.,Biomedical Research Institute, Chonbuk National University Hospital, Jeonju, Jeonbuk, 54907, Republic of Korea
| | - Mi-Ra Oh
- Clinical Trial Center for Functional Foods, Chonbuk National University Hospital, Jeonju, Jeonbuk, 54907, Republic of Korea
| | - Soo-Hyun Park
- Clinical Trial Center for Functional Foods, Chonbuk National University Hospital, Jeonju, Jeonbuk, 54907, Republic of Korea
| | - Soo-Wan Chae
- Clinical Trial Center for Functional Foods, Chonbuk National University Hospital, Jeonju, Jeonbuk, 54907, Republic of Korea. .,Biomedical Research Institute, Chonbuk National University Hospital, Jeonju, Jeonbuk, 54907, Republic of Korea. .,Department of Pharmacology, Jeonbuk National University Medical School, Jeonju, Jeonbuk, 54896, Republic of Korea.
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Quigley EM. Nutraceuticals as modulators of gut microbiota: Role in therapy. Br J Pharmacol 2020; 177:1351-1362. [PMID: 31659751 PMCID: PMC7056471 DOI: 10.1111/bph.14902] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 09/26/2019] [Accepted: 09/27/2019] [Indexed: 12/12/2022] Open
Abstract
As our knowledge of the various roles of the gut microbiota in the maintenance of homeostasis grows and as we learn how a disrupted microbiota may contribute to disease, therapeutic strategies that target our microbial fellow-travellers become ever more attractive. Most appealing are those interventions that seek to modify or supplement our diet through the addition of nutraceuticals. We now know that our diet, whether in the short or long term, is a major modifier of microbiota composition and function. Of the various nutraceuticals, two categories, prebiotics and probiotics, have received the greatest attention in basic research and product development. While our understanding of the impacts of prebiotics and probiotics on the indigenous microbiota and host biology have been described in great detail in vitro and in animal models, the clinical literature leaves much to be desired. While many claims have been made, few are supported by high quality clinical trials. LINKED ARTICLES: This article is part of a themed section on The Pharmacology of Nutraceuticals. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.6/issuetoc.
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Affiliation(s)
- Eamonn M.M. Quigley
- Lynda K and David M Underwood Center for Digestive Disorders, Division of Gastroenterology and HepatologyHouston Methodist HospitalHoustonTexas
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Swanson KS, de Vos WM, Martens EC, Gilbert JA, Menon RS, Soto-Vaca A, Hautvast J, Meyer PD, Borewicz K, Vaughan EE, Slavin JL. Effect of fructans, prebiotics and fibres on the human gut microbiome assessed by 16S rRNA-based approaches: a review. Benef Microbes 2020; 11:101-129. [PMID: 32073295 DOI: 10.3920/bm2019.0082] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The inherent and diverse capacity of dietary fibres, nondigestible oligosaccharides (NDOs) and prebiotics to modify the gut microbiota and markedly influence health status of the host has attracted rising interest. Research and collective initiatives to determine the composition and diversity of the human gut microbiota have increased over the past decade due to great advances in high-throughput technologies, particularly the 16S ribosomal RNA (rRNA) sequencing. Here we reviewed the application of 16S rRNA-based molecular technologies, both community wide (sequencing and phylogenetic microarrays) and targeted methodologies (quantitative PCR, fluorescent in situ hybridisation) to study the effect of chicory inulin-type fructans, NDOs and specific added fibres, such as resistant starches, on the human intestinal microbiota. Overall, such technologies facilitated the monitoring of microbiota shifts due to prebiotic/fibre consumption, though there are limited community-wide sequencing studies so far. Molecular studies confirmed the selective bifidogenic effect of fructans and galactooligosaccharides (GOS) in human intervention studies. Fructans only occasionally decreased relative abundance of Bacteroidetes or stimulated other groups. The sequencing studies for various resistant starches, polydextrose and beta-glucan showed broader effects with more and different types of gut microbial species being enhanced, often including phylotypes of Ruminococcaceae. There was substantial variation in terms of magnitude of response and in individual responses to a specific fibre or NDO which may be due to numerous factors, such as initial presence and relative abundance of a microbial type, diet, genetics of the host, and intervention parameters, such as intervention duration and fibre dose. The field will clearly benefit from a more systematic approach that will support defining the impact of prebiotics and fibres on the gut microbiome, identify biomarkers that link gut microbes to health, and address the personalised response of an individual's microbiota to prebiotics and dietary fibres.
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Affiliation(s)
- K S Swanson
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign,1207 W. Gregory Drive, Urbana, IL 61801, USA
| | - W M de Vos
- Laboratory of Microbiology, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, the Netherlands.,Human Microbiome Research Programme, Faculty of Medicine, University of Helsinki, Haartmaninkatu 3, P.O. Box 21, 00014, Helsinki, Finland
| | - E C Martens
- Department of Microbiology and Immunology, University of Michigan, 1150 West Medical Center Drive, Ann Arbor, MI 48130, USA
| | - J A Gilbert
- Microbiome Center, Department of Surgery, University of Chicago, Chicago, IL 60637, USA.,Bioscience Division, Argonne National Laboratory, 9700 S Cass Ave, Lemont, IL 60439, USA
| | - R S Menon
- The Bell Institute of Health and Nutrition, General Mills Inc., 9000 Plymouth Ave N, Minneapolis, MN 55427, USA
| | - A Soto-Vaca
- The Bell Institute of Health and Nutrition, General Mills Inc., 9000 Plymouth Ave N, Minneapolis, MN 55427, USA
| | - J Hautvast
- Division Human Nutrition, Department Agrotechnology and Food Sciences, P.O. Box 17, 6700 AA, Wageningen University
| | - P D Meyer
- Nutrition & Scientific Writing Consultant, Porfierdijk 27, 4706 MH Roosendaal, the Netherlands
| | - K Borewicz
- Laboratory of Microbiology, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, the Netherlands
| | - E E Vaughan
- Sensus (Royal Cosun), Oostelijke Havendijk 15, 4704 RA, Roosendaal, the Netherlands
| | - J L Slavin
- Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Ave, St. Paul, MN 55108, USA
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Ivanišová E, Drevková B, Tokár M, Terentjeva M, Krajčovič T, Kačániová M. Physicochemical and sensory evaluation of biscuits enriched with chicory fiber. FOOD SCI TECHNOL INT 2020; 26:38-43. [PMID: 31399017 DOI: 10.1177/1082013219864753] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Nowadays, there has been increasing interest of using the chicory and its constituents in food production. The aim of this study was to compare physicochemical and sensory parameters of biscuits without (control) and with addition of 1, 3, and 5% of chicory fiber extract. The biscuits were subjected to physical (volume, maximum width, maximum height, aspect ratio at max. width, aspect ratio at max. height), chemical (dry matter content, crude protein, ash, fat, and crude fiber content), and sensory evaluation (flavor, chicory flavor (intensity), chicory flavor (presence), taste, chicory taste (presence), chicory taste (intensity), aftertaste, character of biscuit taste, overall acceptability). The volume, width, and height of biscuit increased after addition of chicory fiber extract and the highest values were obtained after enrichment with 5% of fiber extract. The crude protein content in biscuits increased from 6.76% (control) to 7.88% (5% of chicory fiber). Also the ash content increased from 0.68% (control) to 0.84% (5%) and the crude fiber content from 0.51% (control) to 0.56% (5%), respectively. Fat content was similar in all tested biscuit (∼24%). During the sensory evaluation, the highest scores were received with addition of 1 and 3% chicory fiber extract. We can recommend the application of chicory fiber in production of biscuits to improve nutritional (3 and 5% addition) and sensorial properties (1 and 3% addition) of this bakery product.
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Affiliation(s)
- Eva Ivanišová
- Department of Technology and Quality of Plant Products, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Nitra, Slovakia
| | - Beáta Drevková
- Department of Technology and Quality of Plant Products, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Nitra, Slovakia
| | - Marián Tokár
- Department of Technology and Quality of Plant Products, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Nitra, Slovakia
| | - Margarita Terentjeva
- Faculty of Veterinary Medicine, Institute of Food, Environmental Hygiene, Latvia University of Life Sciences and Technologies, Jelgava, Latvia
| | - Tomáš Krajčovič
- Department of Technology and Quality of Plant Products, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Nitra, Slovakia
| | - Miroslava Kačániová
- Department of Microbiology, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Nitra, Slovakia
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Non-alcoholic fatty liver diseases: from role of gut microbiota to microbial-based therapies. Eur J Clin Microbiol Infect Dis 2019; 39:613-627. [PMID: 31828683 DOI: 10.1007/s10096-019-03746-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 10/23/2019] [Indexed: 02/06/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the well-known disease of the liver in adults and children throughout the world. The main manifestations related to NAFLD are an unusual storage of lipid in hepatocytes (hepatic steatosis) and progression of inflammation for non-alcoholic steatohepatitis (NASH). NAFLD is described as a multifactorial complication due to the genetic predisposition, metabolic functions, inflammatory, gut microbiota (GM), and environmental factors. The GM dysregulation among these factors is correlated to NAFLD development. In recent decades, advanced microbial profiling methods are continuing to shed light on the nature of the changes in the GM caused by NASH and NAFLD. In the current review, we aim to perform a literature review in different library databases and electronic searches (Science Direct, PubMed, and Google Scholar) which were randomly obtained. This will be done in order to provide an overview of the relation between GM and NAFLD, and the role of prebiotics, probiotics, and fecal microbiota transplantation (FMT), as potential therapeutic challenges for NAFLD.
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The effects of inulin on gut microbial composition: a systematic review of evidence from human studies. Eur J Clin Microbiol Infect Dis 2019; 39:403-413. [DOI: 10.1007/s10096-019-03721-w] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 09/23/2019] [Indexed: 12/17/2022]
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Watson AW, Houghton D, Avery PJ, Stewart C, Vaughan EE, Meyer PD, de Bos Kuil MJ, Weijs PJ, Brandt K. Changes in stool frequency following chicory inulin consumption, and effects on stool consistency, quality of life and composition of gut microbiota. Food Hydrocoll 2019; 96:688-698. [PMID: 31680713 PMCID: PMC6686634 DOI: 10.1016/j.foodhyd.2019.06.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 05/15/2019] [Accepted: 06/03/2019] [Indexed: 02/07/2023]
Abstract
Inulin is a soluble dietary fibre, also classified as a prebiotic, extracted from chicory roots. The present study aimed to determine the effect of consumption of native chicory inulin on the stool frequency of middle-aged to older adults (40-75 years old) with uncomfortably but not clinically relevant low stool frequency, specified as two to four days without bowel movements per week. Two randomised, double blind, placebo-controlled crossover trials were conducted using similar protocols in differing populations. Trial A was conducted in Amsterdam, The Netherlands and subsequently Trial B was conducted in Newcastle, United Kingdom. Both trials involved supplementation for 5 weeks with 10 g per day of inulin or placebo, a washout period of 2 weeks, and then crossed over to receive the other treatment. In Trial B, faecal gut microbiota composition was assessed using 16S rRNA gene sequencing. In Trial A, which 10 volunteers completed, the stool frequency was significantly increased to an average 4.9 ± 0.23 (SEM) times per week during inulin periods versus 3.6 ± 0.25 in the periods with placebo (p = 0.01). In contrast, in Trial B which 20 volunteers completed, there was no significant effect of the inulin on stool frequency (7.5 ± 2.1 times per week with inulin, 8.1 ± 3.0 with placebo, p = 0.35). However, many subjects in Trial B had a stool frequency >5 per week also for the placebo period, in breach of the inclusion criteria. Combining the data of 16 low stool frequency subjects from Trials A and B showed a significant effect of inulin to increase stool frequency from 4.1 to 5.0 per week (p = 0.032). Regarding secondary outcomes, stool consistency was significantly softer with inulin treatment compared to placebo periods, it increased 0.29 on the Bristol stool scale (p = 0.008) when data from all subjects of Trials A and B were combined. No other differences in bowel habit parameters due to inulin consumption were significant. None of the differences in specific bacterial abundance, alpha or beta diversity were significant, however the trends were in directions consistent with published studies on other types of inulin. We conclude that 10 g per day of native chicory inulin can increase stool frequency in subjects with low stool frequency.
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Affiliation(s)
- Anthony W. Watson
- NU-Food Research Facility, Human Nutrition Research Centre, Newcastle University, NE1 7RU, Newcastle upon Tyne, UK
- Institute of Cellular Medicine, Newcastle University, NE2 4HH, Newcastle upon Tyne, UK
| | - David Houghton
- Wellcome Trust Centre for Mitochondrial Research, Institute for Cell and Molecular Biosciences and Institute of Neuroscience, Newcastle University, NE2 4HH, Newcastle upon Tyne, UK
| | - Peter J. Avery
- School of Mathematics & Statistics, Newcastle University, NE1 7RU, Newcastle upon Tyne, UK
| | - Christopher Stewart
- Institute of Cellular Medicine, Newcastle University, NE2 4HH, Newcastle upon Tyne, UK
| | - Elaine E. Vaughan
- Sensus (Royal Cosun), Borchwerf 3, 4704 RG Roosendaal, the Netherlands
| | | | - Minse J.J. de Bos Kuil
- Department of Nutrition and Dietetics, Amsterdam University of Applied Sciences, Postbus 2165, 1000 CD Amsterdam, the Netherlands
| | - Peter J.M. Weijs
- Department of Nutrition and Dietetics, Amsterdam University of Applied Sciences, Postbus 2165, 1000 CD Amsterdam, the Netherlands
| | - Kirsten Brandt
- NU-Food Research Facility, Human Nutrition Research Centre, Newcastle University, NE1 7RU, Newcastle upon Tyne, UK
- Institute of Cellular Medicine, Newcastle University, NE2 4HH, Newcastle upon Tyne, UK
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Sanders ME, Merenstein DJ, Reid G, Gibson GR, Rastall RA. Probiotics and prebiotics in intestinal health and disease: from biology to the clinic. Nat Rev Gastroenterol Hepatol 2019; 16:605-616. [PMID: 31296969 DOI: 10.1038/s41575-019-0173-3] [Citation(s) in RCA: 784] [Impact Index Per Article: 156.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/14/2019] [Indexed: 12/14/2022]
Abstract
Probiotics and prebiotics are microbiota-management tools for improving host health. They target gastrointestinal effects via the gut, although direct application to other sites such as the oral cavity, vaginal tract and skin is being explored. Here, we describe gut-derived effects in humans. In the past decade, research on the gut microbiome has rapidly accumulated and has been accompanied by increased interest in probiotics and prebiotics as a means to modulate the gut microbiota. Given the importance of these approaches for public health, it is timely to reiterate factual and supporting information on their clinical application and use. In this Review, we discuss scientific evidence on probiotics and prebiotics, including mechanistic insights into health effects. Strains of Lactobacillus, Bifidobacterium and Saccharomyces have a long history of safe and effective use as probiotics, but Roseburia spp., Akkermansia spp., Propionibacterium spp. and Faecalibacterium spp. show promise for the future. For prebiotics, glucans and fructans are well proven, and evidence is building on the prebiotic effects of other substances (for example, oligomers of mannose, glucose, xylose, pectin, starches, human milk and polyphenols).
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Affiliation(s)
- Mary Ellen Sanders
- International Scientific Association for Probiotics and Prebiotics, Centennial, CO, USA
| | - Daniel J Merenstein
- Department of Family Medicine, Georgetown University Medical Center, Washington, DC, USA
| | - Gregor Reid
- Lawson Research Institute, and Western University, London, Ontario, Canada
| | - Glenn R Gibson
- Department of Food and Nutritional Sciences, University of Reading, Reading, UK.
| | - Robert A Rastall
- Department of Food and Nutritional Sciences, University of Reading, Reading, UK
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Martoni CJ, Evans M, Chow CT, Chan LS, Leyer G. Impact of a probiotic product on bowel habits and microbial profile in participants with functional constipation: A randomized controlled trial. J Dig Dis 2019; 20:435-446. [PMID: 31271261 PMCID: PMC6851827 DOI: 10.1111/1751-2980.12797] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 05/31/2019] [Accepted: 07/01/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To investigate the clinical efficacy of a multi-strain probiotic product on bowel habits and microbial profile in participants with functional constipation. METHODS This was a randomized, double-blind, placebo-controlled and parallel-arm study. Altogether 94 otherwise healthy adults aged 18 to 65 years with symptoms of functional constipation were randomized as part of the intention-to-treat population. The participants received a placebo or the probiotic product (1.5 × 1010 CFU/day), consisting of Lactobacillus acidophilus DDS-1, Bifidobacterium animalis subsp. lactis UABla-12, Bifidobacterium longum UABl-14 and Bifidobacterium bifidum UABb-10 over 4 weeks. Outcomes included the patient assessment of constipation-symptom (PAC-SYM) questionnaire, stool frequency and consistency, and microbial profile. RESULTS There were no significant between-group differences in the PAC-SYM score, despite significant within-group differences (P < 0.001) over the study period. The probiotic group showed a faster normalization of stool frequency and consistency, with most participants achieving a normalized profile after 1 week. Fecal samples of the probiotic group exhibited higher relative abundance of Ruminococcaceae (P = 0.0047), including the Ruminococcus genus, and lower relative abundance of Erysipelotrichaceae (P = 0.0172) at end-point compared with baseline. Placebo group samples showed similar abundance profiles over the study, with the exception of Clostridiaceae, which was lower at the study end-point (P = 0.0033). Among treated participants, all four probiotic strains were significantly more abundant after the intervention. CONCLUSIONS No significant differences were observed in symptomology, with both groups showing a more than 20% improvement. However, the probiotic helped modulate bowel function earlier than the placebo, with a corresponding shift to a more fibrolytic microbiota.
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Mohajeri MH, Brummer RJM, Rastall RA, Weersma RK, Harmsen HJM, Faas M, Eggersdorfer M. The role of the microbiome for human health: from basic science to clinical applications. Eur J Nutr 2019; 57:1-14. [PMID: 29748817 PMCID: PMC5962619 DOI: 10.1007/s00394-018-1703-4] [Citation(s) in RCA: 218] [Impact Index Per Article: 43.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The 2017 annual symposium organized by the University Medical Center Groningen in The Netherlands focused on the role of the gut microbiome in human health and disease. Experts from academia and industry examined interactions of prebiotics, probiotics, or vitamins with the gut microbiome in health and disease, the development of the microbiome in early-life and the role of the microbiome on the gut–brain axis. The gut microbiota changes dramatically during pregnancy and intrinsic factors (such as stress), in addition to extrinsic factors (such as diet, and drugs) influence the composition and activity of the gut microbiome throughout life. Microbial metabolites, e.g. short-chain fatty acids affect gut–brain signaling and the immune response. The gut microbiota has a regulatory role on anxiety, mood, cognition and pain which is exerted via the gut–brain axis. Ingestion of prebiotics or probiotics has been used to treat a range of conditions including constipation, allergic reactions and infections in infancy, and IBS. Fecal microbiota transplantation (FMT) highly effective for treating recurrent Clostridium difficile infections. The gut microbiome affects virtually all aspects of human health, but the degree of scientific evidence, the models and technologies and the understanding of mechanisms of action vary considerably from one benefit area to the other. For a clinical practice to be broadly accepted, the mode of action, the therapeutic window, and potential side effects need to thoroughly be investigated. This calls for further coordinated state-of-the art research to better understand and document the human gut microbiome’s effects on human health.
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Affiliation(s)
- M Hasan Mohajeri
- DSM Nutritional Products Ltd, Kaiseraugst, Switzerland.
- University of Zurich, Irchel, Zurich, Switzerland.
| | | | - Robert A Rastall
- Department of Food and Nutritional Sciences, University of Reading, Reading, UK
| | - Rinse K Weersma
- Department of Gastroenterology and Hepatology, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands
| | - Hermie J M Harmsen
- Department of Medical Microbiology, University Medical Center Groningen, Groningen, The Netherlands
| | - Marijke Faas
- Department of Pathology and Medical Biology, University Medical Center Groningen, Groningen, The Netherlands
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Gupta N, Jangid AK, Pooja D, Kulhari H. Inulin: A novel and stretchy polysaccharide tool for biomedical and nutritional applications. Int J Biol Macromol 2019; 132:852-863. [PMID: 30926495 DOI: 10.1016/j.ijbiomac.2019.03.188] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 03/19/2019] [Accepted: 03/25/2019] [Indexed: 12/25/2022]
Abstract
Inulin (INU) is a flexible, fructan type polysaccharide carbohydrate, mainly obtained from the root of chicory. It is a water-soluble dietary fibre and has been recently approved by the Food and Drug Administration for improving the nutritional values of food products. INU is not digested or fermented in the initial portion of the human digestive system and directly reaches on the distal portion of the colon. Owing to this superior property, INU is specially applied to develop specific carrier systems for localized delivery of drugs related to colon diseases. Several studies proved that the fermented bi-products of INU help the growth and stimulating activity of colon bacteria e.g. Bifidobacterium and Lactobacilli. INU also has several inherent therapeutic effects like reduction of tumor risks, help in calcium ion absorption, anti-inflammatory, antioxidant properties etc. Apart from these, INU has been used for different pharmaceutical applications as a drug carrier, stabilizing agent, cryoprotectant, and an alternative to fats and sugars. Here, we review the applications of INU in different areas of biomedical science, look back into the nutritional effects of INU and outline various routes of administration of INU-based formulations.
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Affiliation(s)
- Nitin Gupta
- School of Nano Sciences, Central University of Gujarat, Gandhinagar 382030, Gujarat, India
| | - Ashok Kumar Jangid
- School of Nano Sciences, Central University of Gujarat, Gandhinagar 382030, Gujarat, India
| | - Deep Pooja
- Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India.
| | - Hitesh Kulhari
- School of Nano Sciences, Central University of Gujarat, Gandhinagar 382030, Gujarat, India.
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