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Curtis PJ, van der Velpen V, Berends L, Jennings A, Haag L, Minihane AM, Chandra P, Kay CD, Rimm EB, Cassidy A. Chronic and postprandial effect of blueberries on cognitive function, alertness, and mood in participants with metabolic syndrome - results from a six-month, double-blind, randomized controlled trial. Am J Clin Nutr 2024; 119:658-668. [PMID: 38432713 DOI: 10.1016/j.ajcnut.2023.12.006] [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: 07/21/2023] [Revised: 12/04/2023] [Accepted: 12/11/2023] [Indexed: 03/05/2024] Open
Abstract
BACKGROUND Anthocyanin and blueberry intakes positively associated with cognitive function in population-based studies and cognitive benefits in randomized controlled trials of adults with self-perceived or clinical cognitive dysfunction. To date, adults with metabolic syndrome (MetS) but without cognitive dysfunction are understudied. OBJECTIVES Cognitive function, mood, alertness, and sleep quality were assessed as secondary end points in MetS participants, postprandially (>24 h) and following 6-mo blueberry intake. METHODS A double-blind, randomized controlled trial was conducted, assessing the primary effect of consuming freeze-dried blueberry powder, compared against an isocaloric placebo, on cardiometabolic health >6 mo and a 24 h postprandial period (at baseline). In this secondary analysis of the main study, data from those completing mood, alertness, cognition, and sleep assessments are presented (i.e., n = 115 in the 6 mo study, n = 33 in the postprandial study), using the following: 1) Bond-Lader self-rated scores, 2) electronic cognitive battery (i.e., testing attention, working memory, episodic memory, speed of memory retrieval, executive function, and picture recognition), and 3) the Leeds Sleep Evaluation Questionnaire. Urinary and serum anthocyanin metabolites were quantified, and apolipoprotein E genotype status was determined. RESULTS Postprandial self-rated calmness significantly improved after 1 cup of blueberries (P = 0.01; q = 0.04; with an 11.6% improvement compared with baseline between 0 and 24 h for the 1 cup group), but all other mood, sleep, and cognitive function parameters were unaffected after postprandial and 6-mo blueberries. Across the ½ and 1 cup groups, microbial metabolites of anthocyanins and chlorogenic acid (i.e., hydroxycinnamic acids, benzoic acids, phenylalanine derivatives, and hippuric acids) and catechin were associated with favorable chronic and postprandial memory, attention, executive function, and calmness. CONCLUSIONS Although self-rated calmness improved postprandially, and significant cognition-metabolite associations were identified, our data did not support strong cognitive, mood, alertness, or sleep quality improvements in MetS participants after blueberry intervention. This trial was registered at clinicaltrials.gov as NCT02035592.
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Affiliation(s)
- Peter J Curtis
- Nutrition and Preventive Medicine Group, Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia, United Kingdom
| | - Vera van der Velpen
- Nutrition and Preventive Medicine Group, Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia, United Kingdom
| | - Lindsey Berends
- Nutrition and Preventive Medicine Group, Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia, United Kingdom
| | - Amy Jennings
- Institute for Global Food Security, Nutrition and Preventive Medicine, School of Biological Sciences, Queen's University Belfast, Northern Ireland
| | - Laura Haag
- Nutrition and Preventive Medicine Group, Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia, United Kingdom
| | - Anne-Marie Minihane
- Nutrition and Preventive Medicine Group, Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia, United Kingdom
| | - Preeti Chandra
- Food Bioprocessing and Nutrition Sciences, Plants for Human Health Institute, North Carolina State University, North Carolina Research Campus, Kannapolis, NC, United States
| | - Colin D Kay
- Department of Pediatrics, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Eric B Rimm
- Departments of Epidemiology and Nutrition, Harvard T.H. Chan School of Public Health, and Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Aedín Cassidy
- Institute for Global Food Security, Nutrition and Preventive Medicine, School of Biological Sciences, Queen's University Belfast, Northern Ireland.
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Liu H, Cheng Z, Li J, Xie J. The dynamic changes in pigment metabolites provide a new understanding of the colouration of Pyracantha fortuneana at maturity. Food Res Int 2024; 175:113720. [PMID: 38129036 DOI: 10.1016/j.foodres.2023.113720] [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: 09/26/2023] [Revised: 11/10/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023]
Abstract
The type, content and accumulation characteristics of pigments are the material basis for fruit colour and the evaluation basis of the fruit maturity and nutritional value of P. fortuneana. However, little information is available on the changes in carotenoids, anthocyanins, procyanidins and major flavones during the ripening process of P. fortuneana fruits. Thus, this study investigated the colour conversion characteristics, the main changes in the above four metabolites and the association landscape with those metabolites. The results showed that thirty-nine kinds of carotenoids and derivatives, eighteen anthocyanins, five procyanidins and five flavone compounds were identified in the fruits of P. fortuneana. The total content and contents of most individual carotenoids, anthocyanins, procyanidins and flavones reached the highest values at the TS2, TS4, TS1 and TS1 stages, respectively. Among the variations, the contents of β-carotene and lutein increased first and then decreased, cyanidin-3-galactoside and cyanidin-3-glucoside accumulated, the concentrations of procyanidin C1 and procyanidin B2 decreased, and the contents of rutin and quercetin-3-O-glucoside also decreased; these changers were responsible for the main changes in carotenoids, anthocyanidin, procyanidins and flavones, respectively. For the correlation analysis results, there might be two modes of action that together affected the colour conversion of P. fortuneana fruits during ripening, i.e., (E/Z)-phytoene communicated with the carotenoid metabolic pathway that might promote the accumulated ABA content, which might cause the increased anthocyanidin (primarily through cyanidin-3-(6-malonyl-beta-d-glucoside) (C3MG)) at the final stage; most of the decreased flavone and procyanidin metabolites produced by the flavonoid metabolic pathway were another important factor affecting the accumulation of C3MG.
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Affiliation(s)
- Huijuan Liu
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Provincial Engineering Research Center of Ecological Food Innovation, School of Public Health, Guizhou Medical University, Guiyang 550025, PR China
| | - Zhifei Cheng
- Basic Teaching Department, Guizhou Vocational College of Agriculture, Guizhou 551499, PR China
| | - Junliang Li
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Provincial Engineering Research Center of Ecological Food Innovation, School of Public Health, Guizhou Medical University, Guiyang 550025, PR China
| | - Jiao Xie
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Provincial Engineering Research Center of Ecological Food Innovation, School of Public Health, Guizhou Medical University, Guiyang 550025, PR China.
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Alzahrani MA, Binnshwan FM, Alsulaim KB, Mobeirek OA, Albakran NM, Albawardi FA, Almezaini AI, Alqahtani YK, Alghuyaythat WKZ, Abunohaiah I, AlAsmi R, Almannie R. Effect of Blackcurrant Consumption on the Genitourinary System: A Literature Review. Cureus 2023; 15:e44181. [PMID: 37641728 PMCID: PMC10460296 DOI: 10.7759/cureus.44181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/26/2023] [Indexed: 08/31/2023] Open
Abstract
Both in vivo and in vitro studies have shown that functional plant-based food such as fruits, vegetables, and berries can enhance health, have preventive effects, and reduce the risk of several chronic diseases. This review discusses blackcurrant fruit usage in humans and experimental animals and its effect on the genitourinary system (GUS). This comprehensive review demonstrates that blackcurrants and their bioactive compounds possess medicinal and therapeutic properties related to the GUS. Emphasis in the literature has been placed on the bioavailability of the active blackcurrant components. Nonetheless, future clinical trials are needed to investigate and improve the bioavailability of blackcurrant phenolic compounds, such as anthocyanins, and to expand the evidence that active blackcurrant compounds can treat various genitourinary diseases.
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Affiliation(s)
- Meshari A Alzahrani
- Department of Urology, College of Medicine, Majmaah University, Al-Majmaah, SAU
| | | | - Khaled B Alsulaim
- Medical School, College of Medicine, King Saud University, Riyadh, SAU
| | - Osama A Mobeirek
- Medical School, College of Medicine, King Saud University, Riyadh, SAU
| | - Nasser M Albakran
- Medical School, College of Medicine, King Saud University, Riyadh, SAU
| | - Fahad A Albawardi
- Medical School, College of Medicine, King Saud University, Riyadh, SAU
| | | | | | | | - Ibrahim Abunohaiah
- Department of Surgery, Division of Urology, Faculty of Medicine, King Saud University, King Saud University Medical City, Riyadh, SAU
| | - Raed AlAsmi
- Department of Surgery, College of Medicine, Prince Sattam bin Abdulaziz University, Al-Kharj, SAU
| | - Raed Almannie
- Department of Surgery, Division of Urology, Faculty of Medicine, King Saud University, King Saud University Medical City, Riyadh, SAU
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Cyanidin-3-O-glucoside Contributes to Leaf Color Change by Regulating Two bHLH Transcription Factors in Phoebe bournei. Int J Mol Sci 2023; 24:ijms24043829. [PMID: 36835240 PMCID: PMC9960835 DOI: 10.3390/ijms24043829] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/09/2023] [Accepted: 02/12/2023] [Indexed: 02/17/2023] Open
Abstract
Anthocyanins produce different-colored pigments in plant organs, which provide ornamental value. Thus, this study was conducted to understand the mechanism of anthocyanin synthesis in ornamental plants. Phoebe bournei, a Chinese specialty tree, has high ornamental and economic value due to its rich leaf color and diverse metabolic products. Here, the metabolic data and gene expression of red P. bournei leaves at the three developmental stages were evaluated to elucidate the color-production mechanism in the red-leaved P. bournei species. First, metabolomic analysis identified 34 anthocyanin metabolites showing high levels of cyanidin-3-O-glucoside (cya-3-O-glu) in the S1 stage, which may suggest that it is a characteristic metabolite associated with the red coloration of the leaves. Second, transcriptome analysis showed that 94 structural genes were involved in anthocyanin biosynthesis, especially flavanone 3'-hydroxy-lase (PbF3'H), and were significantly correlated with the cya-3-O-glu level. Third, K-means clustering analysis and phylogenetic analyses identified PbbHLH1 and PbbHLH2, which shared the same expression pattern as most structural genes, indicating that these two PbbHLH genes may be regulators of anthocyanin biosynthesis in P. bournei. Finally, overexpression of PbbHLH1 and PbbHLH2 in Nicotiana tabacum leaves triggered anthocyanin accumulation. These findings provide a basis for cultivating P. bournei varieties that have high ornamental value.
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Ottaviani JI, Schroeter H, Kuhnle GGC. Measuring the intake of dietary bioactives: Pitfalls and how to avoid them. Mol Aspects Med 2023; 89:101139. [PMID: 36031430 DOI: 10.1016/j.mam.2022.101139] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/12/2022] [Accepted: 08/17/2022] [Indexed: 02/04/2023]
Abstract
Bioactives are food constituents that, while not essential to human life, can affect health. Thus, there is increased interest in developing dietary recommendations for bioactives. Such recommendations require detailed information about the long-term association between habitual intake and health at population scale, and these can only be provided by large-scale observational studies. Nutritional epidemiology relies on the accurate estimation of intake, but currently used methods, commonly based on a 2-step process involving self-reports and food composition tables, are fraught with significant challenges and are unable to estimate the systemic presence of bioactives. Intake assessments based on nutritional biomarkers can provide an advanced alternative, but there are a number of pitfalls that need to be addressed in order to obtain reliable data on intake. Using flavan-3-ols as a case study, we highlight here key challenges and how they may be avoided. Taken together, we believe that the approaches outlined in this review can be applied to a wide range of food constituents, and doing so will improve assessments of the dietary intake of bioactives.
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Affiliation(s)
| | | | - Gunter G C Kuhnle
- Department of Food & Nutritional Sciences, University of Reading, Reading RG56 6DX, UK.
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Li J, Li Y, Li M, Lin L, Qi J, Xu J, Zhang L, Fang P, Tao A. Novel Insights into Anthocyanin Synthesis in the Calyx of Roselle Using Integrated Transcriptomic and Metabolomic Analyses. Int J Mol Sci 2022; 23:ijms232213908. [PMID: 36430383 PMCID: PMC9693987 DOI: 10.3390/ijms232213908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/27/2022] [Accepted: 11/03/2022] [Indexed: 11/16/2022] Open
Abstract
Roselle (Hibiscus sabdariffa L.) is an annual herbaceous plant of the genus Hibiscus in family Malvaceae. Roselle calyxes are rich in anthocyanins, which play important roles in human health. However, limited information is available on anthocyanin biosynthesis in the roselle calyx. In this study, transcriptomic and metabolomic analyses were performed to identify the key genes involved in anthocyanin biosynthesis in the roselle calyx. Three roselle cultivars with different calyx colors, including FZ-72 (red calyx, R), Baitao K (green calyx, G), and MG5 (stripped calyx, S), were used for metabolomic analyses with UPLC-Q-TOF/MS and RNA-seq. Forty-one compounds were quantified, including six flavonoids and 35 anthocyanins. The calyx of FZ-72 (red calyx) had the highest contents of anthocyanin derivatives such as delphinidin-3-O-sambubioside (955.11 μg/g) and cyanidin-3-O-sambubioside (531.37 μg/g), which were responsible for calyx color, followed by those in MG5 (stripped calyx) (851.97 and 330.06 μg/g, respectively). Baitao K (green calyx) had the lowest levels of these compounds. Furthermore, RNA-seq analysis revealed 114,415 differentially expressed genes (DEGs) in the calyxes at 30 days after flowering (DAF) for the corresponding cultivars FZ-72 (R), Baitao K (G), and MG5(S). The gene expression levels in the calyxes of the three cultivars were compared at different flowering stages, revealing 11,555, 11,949, and 7177 DEGs in R vs. G, R vs. S, and G vs. S, respectively. Phenylpropanoid and flavonoid biosynthesis pathways were found to be enriched. In the flavonoid pathway, 29, 28, and 27 genes were identified in G vs. R, G vs. S, and S vs. R, respectively. In the anthocyanin synthesis pathway, two, two, and one differential genes were identified in the three combinations; these differential genes belonged to the UFGT gene family. After joint analysis of the anthocyanin content in roselle calyxes, nine key genes belonging to the CHS, CHI, UFGT, FLS, ANR, DFR, CCoAOMT, SAT, and HST gene families were identified as strongly related to anthocyanin synthesis. These nine genes were verified using qRT-PCR, and the results were consistent with the transcriptome data. Overall, this study presents the first report on anthocyanin biosynthesis in roselle, laying a foundation for breeding roselle cultivars with high anthocyanin content.
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Affiliation(s)
- Jing Li
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yunqing Li
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Mei Li
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Lihui Lin
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jianmin Qi
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jiantang Xu
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Liwu Zhang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Pingping Fang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Correspondence: (P.F.); (A.T.)
| | - Aifen Tao
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Key Laboratory of Crop Breeding for Design, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Correspondence: (P.F.); (A.T.)
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Zou H, Han L, Yuan M, Zhang M, Zhou L, Wang Y. Sequence Analysis and Functional Verification of the Effects of Three Key Structural Genes, PdTHC2'GT, PdCHS and PdCHI, on the Isosalipurposide Synthesis Pathway in Paeonia delavayi var. lutea. Int J Mol Sci 2022; 23:5696. [PMID: 35628506 PMCID: PMC9147737 DOI: 10.3390/ijms23105696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/09/2022] [Accepted: 05/18/2022] [Indexed: 01/05/2023] Open
Abstract
Isosalipurposide (ISP) is the most important yellow pigment in tree peony. In ISP biosynthesis, CHS catalyzes 1-molecule coumaroyl-CoA and 3-molecule malonyl-CoA to form 2',4',6',4-tetrahyroxychalcone (THC), and THC generates a stable ISP in the vacuole under the action of chalcone2'-glucosyltransferases (THC2'GT). In tree peony, the details of the THC2'GT gene have not yet been reported. In this study, the candidate THC2'GT gene (PdTHC2'GT) in Paeonia delavayi var. lutea was screened. At the same time, we selected the upstream CHS gene (PdCHS) and the competitive CHI gene (PdCHI) to study the biosynthesis pathway of ISP. We successfully cloned three genes and sequenced them; subcellular localization showed that the three genes were located in the nucleus and cytoplasm. The overexpression of PdTHC2'GT in tobacco caused the accumulation of ISP in tobacco petals, which indicated that PdTHC2'GT was the key structural gene in the synthesis of ISP. After the overexpression of PdCHS and PdCHI in tobacco, the accumulation of anthocyanins in tobacco petals increased to different degrees, showing the role of PdCHS and PdCHI in anthocyanin accumulation. The analysis of NtCHS and NtCHI of transgenic tobacco lines by qRT-PCR showed that the THC2'GT gene could increase the expression of CHS. THC2'GT and CHI were found to be competitive; hence, the overexpression of THC2'GT could lead to a decrease in CHI expression. The CHS gene and CHI gene could increase the expression of each other. In conclusion, we verified the key structural gene PdTHC2'GT and studied the operation of the genes in its upstream and competitive pathway, providing a new perspective for the biosynthesis of ISP and new candidate genes for the directional breeding of tree peony.
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Affiliation(s)
| | | | | | | | - Lin Zhou
- Key Laboratory of Tree Breeding and Cultivation of National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China; (H.Z.); (L.H.); (M.Y.); (M.Z.)
| | - Yan Wang
- Key Laboratory of Tree Breeding and Cultivation of National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China; (H.Z.); (L.H.); (M.Y.); (M.Z.)
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Quantifying up to 90 polyphenols simultaneously in human bio-fluids by LC-MS/MS. Anal Chim Acta 2022; 1216:339977. [DOI: 10.1016/j.aca.2022.339977] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/27/2022] [Accepted: 05/21/2022] [Indexed: 11/17/2022]
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Curtis PJ, Berends L, van der Velpen V, Jennings A, Haag L, Chandra P, Kay CD, Rimm EB, Cassidy A. Blueberry anthocyanin intake attenuates the postprandial cardiometabolic effect of an energy-dense food challenge: Results from a double blind, randomized controlled trial in metabolic syndrome participants. Clin Nutr 2021; 41:165-176. [PMID: 34883305 PMCID: PMC8757535 DOI: 10.1016/j.clnu.2021.11.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 11/04/2021] [Accepted: 11/24/2021] [Indexed: 12/13/2022]
Abstract
Background & aims Whilst the cardioprotective effects of blueberry intake have been shown in prospective studies and short-term randomized controlled trials (RCTs), it is unknown whether anthocyanin-rich blueberries can attenuate the postprandial, cardiometabolic dysfunction which follows energy-dense food intakes; especially in at-risk populations. We therefore examined whether adding blueberries to a high-fat/high-sugar meal affected the postprandial cardiometabolic response over 24 h. Methods A parallel, double-blind RCT (n = 45; age 63.4 ± 7.4 years; 64% male; BMI 31.4 ± 3.1 kg/m2) was conducted in participants with metabolic syndrome. After baseline assessments, an energy-dense drink (969 Kcals, 64.5 g fat, 84.5 g carbohydrate, 17.9 g protein) was consumed with either 26 g (freeze-dried) blueberries (equivalent to 1 cup/150 g fresh blueberries) or 26 g isocaloric matched placebo. Repeat blood samples (30, 60, 90, 120, 180, 360 min and 24 h), a 24 h urine collection and vascular measures (at 3, 6, and 24 h) were performed. Insulin and glucose, lipoprotein levels, endothelial function (flow mediated dilatation (FMD)), aortic and systemic arterial stiffness (pulse wave velocity (PWV), Augmentation Index (AIx) respectively), blood pressure (BP), and anthocyanin metabolism (serum and 24 h urine) were assessed. Results Blueberries favorably affected postprandial (0–24 h) concentrations of glucose (p < 0.001), insulin (p < 0.01), total cholesterol (p = 0.04), HDL-C, large HDL particles (L-HDL-P) (both p < 0.01), extra-large HDL particles (XL-HDL-P; p = 0.04) and Apo-A1 (p = 0.01), but not LDL-C, TG, or Apo-B. After a transient higher peak glucose concentration at 1 h after blueberry intake ([8.2 mmol/L, 95%CI: 7.7, 8.8] vs placebo [6.9 mmol/L, 95%CI: 6.4, 7.4]; p = 0.001), blueberries significantly attenuated 3 h glucose ([4.3 mmol/L, 95%CI: 3.8, 4.8] vs placebo [5.1 mmol/L, 95%CI: 4.6, 5.6]; p = 0.03) and insulin concentrations (blueberry: [23.4 pmol/L, 95%CI: 15.4, 31.3] vs placebo [52.9 pmol/L, 95%CI: 41.0, 64.8]; p = 0.0001). Blueberries also improved HDL-C ([1.12 mmol/L, 95%CI: 1.06, 1.19] vs placebo [1.08 mmol/L, 95%CI: 1.02, 1.14]; p = 0.04) at 90 min and XL-HDLP levels ([0.38 × 10-6, 95%CI: 0.35, 0.42] vs placebo [0.35 × 10-6, 95%CI: 0.32, 0.39]; p = 0.02) at 3 h. Likewise, significant improvements were observed 6 h after blueberries for HDL-C ([1.17 mmol/L, 95%CI: 1.11, 1.24] vs placebo [1.10 mmol/L, 95%CI: 1.03, 1.16]; p < 0.001), Apo-A1 ([1.37 mmol/L, 95%CI: 1.32, 1.41] vs placebo [1.31 mmol/L, 95%CI: 1.27, 1.35]; p = 0.003), L-HDLP ([0.70 × 10-6, 95%CI: 0.60, 0.81] vs placebo [0.59 × 10-6, 95%CI: 0.50, 0.68]; p = 0.003) and XL-HDLP ([0.44 × 10-6, 95%CI: 0.40, 0.48] vs placebo [0.40 × 10-6, 95%CI: 0.36, 0.44]; p < 0.001). Similarly, total cholesterol levels were significantly lower 24 h after blueberries ([4.9 mmol/L, 95%CI: 4.6, 5.1] vs placebo [5.0 mmol/L, 95%CI: 4.8, 5.3]; p = 0.04). Conversely, no effects were observed for FMD, PWV, AIx and BP. As anticipated, total anthocyanin-derived phenolic acid metabolite concentrations significantly increased in the 24 h after blueberry intake; especially hippuric acid (6-7-fold serum increase, 10-fold urinary increase). In exploratory analysis, a range of serum/urine metabolites were associated with favorable changes in total cholesterol, HDL-C, XL-HDLP and Apo-A1 (R = 0.43 to 0.50). Conclusions For the first time, in an at-risk population, we show that single-exposure to the equivalent of 1 cup blueberries (provided as freeze-dried powder) attenuates the deleterious postprandial effects of consuming an energy-dense high-fat/high-sugar meal over 24 h; reducing insulinaemia and glucose levels, lowering cholesterol, and improving HDL-C, fractions of HDL-P and Apo-A1. Consequently, intake of anthocyanin-rich blueberries may reduce the acute cardiometabolic burden of energy-dense meals. Clinical trial registry NCT02035592 at www.clinicaltrials.gov.
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Affiliation(s)
- Peter J Curtis
- Nutrition & Preventive Medicine Group, Norwich Medical School, University of East Anglia, Norwich, NR47UQ, UK
| | - Lindsey Berends
- Nutrition & Preventive Medicine Group, Norwich Medical School, University of East Anglia, Norwich, NR47UQ, UK
| | - Vera van der Velpen
- Nutrition & Preventive Medicine Group, Norwich Medical School, University of East Anglia, Norwich, NR47UQ, UK
| | - Amy Jennings
- Institute for Global Food Security, Queen's University Belfast, BT9 5DL, Ireland
| | - Laura Haag
- Nutrition & Preventive Medicine Group, Norwich Medical School, University of East Anglia, Norwich, NR47UQ, UK
| | - Preeti Chandra
- Food Bioprocessing & Nutrition Sciences, Plants for Human Health Institute, North Carolina State University, North Carolina Research Campus, Kannapolis, NC, USA
| | - Colin D Kay
- Food Bioprocessing & Nutrition Sciences, Plants for Human Health Institute, North Carolina State University, North Carolina Research Campus, Kannapolis, NC, USA
| | - Eric B Rimm
- Departments of Epidemiology & Nutrition, Harvard T.H. Chan School of Public Health, Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Aedín Cassidy
- Institute for Global Food Security, Queen's University Belfast, BT9 5DL, Ireland.
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10
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Song X, Lu Y, Lu Y, Lv L. Adduct Formation of Acrolein with Cyanidin-3- O-glucoside and Its Degradants/Metabolites during Thermal Processing or In Vivo after Consumption of Red Bayberry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:13143-13154. [PMID: 34714663 DOI: 10.1021/acs.jafc.1c05727] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Acrolein (ACR) derives from the external environment and the endogenous metabolism of organisms. It has super-reactivity and can induce various diseases. We investigated the capacity of cyanidin-3-O-glucoside (C3G) and its degradants/metabolites to capture ACR during thermal processing or in vivo. Our results indicated that both C3G and its degradants, including phloroglucinaldehyde (PGA) and protocatechuic acid (PCA), could efficiently trap ACR to form adducts, such as C3G-ACR, C3G-2ACR, PGA-ACR, PGA-2ACR, PCA-ACR, and PCA-2ACR. Additionally, these adducts were detected in commercial canned red bayberry products. The adducts of C3G and its metabolites conjugated with ACR, such as C3G-ACR, C3G-2ACR, PGA-ACR, and 4-hydroxybenzoic-acid-ACR (4-HBA-ACR), were also detected in mice feces treated with C3G by oral gavage, where the adduct level was dose-dependent. A similar pattern was observed in tests on human consumption of red bayberry. In human urine, only PGA-2ACR and 4-HBA-ACR, were found, whereas C3G-ACR, C3G-2ACR, myricetin-3-O-rhamnoside-ACR (M3R-ACR), PGA-2ACR, 4-HBA-ACR and ferulic acid-ACR (FA-ACR) were detected in human feces following administration of red bayberry. Our results are the first demonstration that C3G and its metabolites can capture ACR in vitro and in vivo (mice and humans) and present a novel strategy, the development of C3G as a promising ACR inhibitor.
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Affiliation(s)
- Xiaoli Song
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, 2 Xuelin Road, Nanjing, Jiangsu 210023, People's Republic of China
| | - Yang Lu
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, 2 Xuelin Road, Nanjing, Jiangsu 210023, People's Republic of China
| | - Yongling Lu
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, 2 Xuelin Road, Nanjing, Jiangsu 210023, People's Republic of China
| | - Lishuang Lv
- Department of Food Science and Technology, School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, 2 Xuelin Road, Nanjing, Jiangsu 210023, People's Republic of China
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11
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Jokioja J, Yang B, Linderborg KM. Acylated anthocyanins: A review on their bioavailability and effects on postprandial carbohydrate metabolism and inflammation. Compr Rev Food Sci Food Saf 2021; 20:5570-5615. [PMID: 34611984 DOI: 10.1111/1541-4337.12836] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 08/13/2021] [Accepted: 08/14/2021] [Indexed: 12/31/2022]
Abstract
Anthocyanins, the natural red and purple colorants of berries, fruits, vegetables, and tubers, improve carbohydrate metabolism and decrease the risk factors of metabolic disorders, but their industrial use is limited by their chemical instability. Acylation of the glycosyl moieties of anthocyanins, however, changes the chemical properties of anthocyanins and provides enhanced stability. Thus, acylated anthocyanins are more usable as natural colorants and bioactive components of innovative functional foods. Acylated anthocyanins are common in pigmented vegetables and tubers, the consumption of which has the potential to increase the intake of health-promoting anthocyanins as part of the daily diet. For the first time, this review presents the current findings on bioavailability, absorption, metabolism, and health effects of acylated anthocyanins with comparison to more extensively investigated nonacylated anthocyanins. The structural differences between nonacylated and acylated anthocyanins lead to enhanced color stability, altered absorption, bioavailability, in vivo stability, and colonic degradation. The impact of phenolic metabolites and their potential health effects regardless of the low bioavailability of the parent anthocyanins as such is discussed. Here, purple-fleshed potatoes are presented as a globally available, eco-friendly model food rich in acylated anthocyanins, which further highlights the industrial possibilities and nutritional relevance of acylated anthocyanins. This work supports the academic community and industry in food research and development by reviewing the current literature and highlighting gaps of knowledge.
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Affiliation(s)
- Johanna Jokioja
- Food Chemistry and Food Development, Department of Life Technologies, University of Turku, Turku, Finland
| | - Baoru Yang
- Food Chemistry and Food Development, Department of Life Technologies, University of Turku, Turku, Finland
| | - Kaisa M Linderborg
- Food Chemistry and Food Development, Department of Life Technologies, University of Turku, Turku, Finland
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12
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Metabolomics Technologies for the Identification and Quantification of Dietary Phenolic Compound Metabolites: An Overview. Antioxidants (Basel) 2021; 10:antiox10060846. [PMID: 34070614 PMCID: PMC8229076 DOI: 10.3390/antiox10060846] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 05/10/2021] [Accepted: 05/19/2021] [Indexed: 02/06/2023] Open
Abstract
In the search for natural products with properties that may protect against or slow down chronic and degenerative diseases (e.g., cancer, and cardiovascular and neurodegenerative conditions), phenolic compounds (PC) with benefits for human health have been identified. The biological effects of PC in vivo depend on their bioavailability, intestinal absorption, metabolism, and interaction with target tissues. The identification of phenolic compounds metabolites (PCM), in biological samples, after food ingestion rich in PC is a first step to understand the overall effect on human health. However, their wide range of physicochemical properties, levels of abundance, and lack of reference standards, renders its identification and quantification a challenging task for existing analytical platforms. The most frequent approaches to metabolomics analysis combine mass spectrometry and NMR, parallel technologies that provide an overview of the metabolome and high-power compound elucidation. In this scenario, the aim of this review is to summarize the pre-analytical separation processes for plasma and urine samples and the technologies applied in quantitative and qualitative analysis of PCM. Additionally, a comparison of targeted and non-targeted approaches is presented, not available in previous reviews, which may be useful for future metabolomics studies of PCM.
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13
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Potential of Beetroot and Blackcurrant Compounds to Improve Metabolic Syndrome Risk Factors. Metabolites 2021; 11:metabo11060338. [PMID: 34070362 PMCID: PMC8228969 DOI: 10.3390/metabo11060338] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/20/2021] [Accepted: 05/20/2021] [Indexed: 12/15/2022] Open
Abstract
Metabolic syndrome (MetS) is a group of metabolic abnormalities, which together lead to increased risk of coronary heart disease (CHD) and type 2 diabetes mellitus (T2DM), as well as reduced quality of life. Dietary nitrate, betalains and anthocyanins may improve risk factors for MetS and reduce the risk of development of CHD and T2DM. Beetroot is a rich source of dietary nitrate, and anthocyanins are present in high concentrations in blackcurrants. This narrative review considers the efficacy of beetroot and blackcurrant compounds as potential agents to improve MetS risk factors, which could lead to decreased risk of CHD and T2DM. Further research is needed to establish the mechanisms through which these outcomes may occur, and chronic supplementation studies in humans may corroborate promising findings from animal models and acute human trials.
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14
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Jokioja J, Percival J, Philo M, Yang B, Kroon PA, Linderborg KM. Phenolic Metabolites in the Urine and Plasma of Healthy Men After Acute Intake of Purple Potato Extract Rich in Methoxysubstituted Monoacylated Anthocyanins. Mol Nutr Food Res 2021; 65:e2000898. [PMID: 33687145 DOI: 10.1002/mnfr.202000898] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/11/2021] [Indexed: 12/17/2022]
Abstract
SCOPE Structurally stable acylated anthocyanins have potential in various food applications but the effects of acylation and methoxysubstitution on anthocyanin metabolism are poorly understood. This is the first study thoroughly investigating phenolic metabolites, their time-wise changes, and pharmacokinetics following an acute intake of methoxysubstituted monoacylated anthocyanins. METHODS AND RESULTS Healthy male volunteers (n = 17) consumed a yellow potato meal with and without purple potato extract rich in acylated anthocyanins (152 mg) and hydroxycinnamic acid conjugates (140 mg). Ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) is used for identification and quantification of metabolites from serially collected urine and plasma. While the parent anthocyanins are not detected, 28 phenolic metabolites from urine and 14 from plasma are quantified, including hydroxybenzoic and hydroxycinnamic acids and protocatechuic acid sulfates and glucuronides; three (catechol, gallic acid-4-O-glucuronide, and 2-methoxybenzoic acid) are detected for the first time after anthocyanin-rich food. Urinary hippuric acid is the most abundant with an increase of 139 µM mM-1 creatinine after the treatment. A large additional set of tentatively identified phenolic metabolites are detected. Late urinary peak time values suggest colonic degradation. CONCLUSION Acylated anthocyanins are more bioavailable than earlier reported after extensive degradation in human and/or colonial metabolism to phenolic metabolites, which may be further conjugated and demethylated.
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Affiliation(s)
- Johanna Jokioja
- Food Chemistry and Food Development, Department of Life Technologies, University of Turku, Turku, FIN-20014, Finland
| | - Jasmine Percival
- The Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UQ, Norfolk, United Kingdom
| | - Mark Philo
- The Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UQ, Norfolk, United Kingdom
| | - Baoru Yang
- Food Chemistry and Food Development, Department of Life Technologies, University of Turku, Turku, FIN-20014, Finland
| | - Paul A Kroon
- The Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UQ, Norfolk, United Kingdom
| | - Kaisa M Linderborg
- Food Chemistry and Food Development, Department of Life Technologies, University of Turku, Turku, FIN-20014, Finland
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15
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Oesterle I, Braun D, Berry D, Wisgrill L, Rompel A, Warth B. Polyphenol Exposure, Metabolism, and Analysis: A Global Exposomics Perspective. Annu Rev Food Sci Technol 2021; 12:461-484. [PMID: 33351643 DOI: 10.1146/annurev-food-062220-090807] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Polyphenols are generally known for their health benefits and estimating actual exposure levels in health-related studies can be improved by human biomonitoring. Here, the application of newly available exposomic and metabolomic technology, notably high-resolution mass spectrometry, in the context of polyphenols and their biotransformation products, is reviewed. Comprehensive workflows for investigating these important bioactives in biological fluids or microbiome-related experiments are scarce. Consequently, this new era of nontargeted analysis and omic-scale exposure assessment offers a unique chance for better assessing exposure to, as well as metabolism of, polyphenols. In clinical and nutritional trials, polyphenols can be investigated simultaneously with the plethora of other chemicals to which we are exposed, i.e., the exposome, which may interact abundantly and modulate bioactivity. This research direction aims at ultimately eluting into atrue systems biology/toxicology evaluation of health effects associated with polyphenol exposure, especially during early life, to unravel their potential for preventing chronic diseases.
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Affiliation(s)
- Ian Oesterle
- Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria; , , .,Department of Biophysical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria;
| | - Dominik Braun
- Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria; , ,
| | - David Berry
- Centre for Microbiology and Environmental Systems Science, Department of Microbiology and Ecosystem Science, Division of Microbial Ecology, University of Vienna, 1090 Vienna, Austria; .,The Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, 1090 Vienna, Austria
| | - Lukas Wisgrill
- Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, 1090 Vienna, Austria;
| | - Annette Rompel
- Department of Biophysical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria;
| | - Benedikt Warth
- Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria; , ,
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16
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Domínguez-Fernández M, Xu Y, Young Tie Yang P, Alotaibi W, Gibson R, Hall WL, Barron L, Ludwig IA, Cid C, Rodriguez-Mateos A. Quantitative Assessment of Dietary (Poly)phenol Intake: A High-Throughput Targeted Metabolomics Method for Blood and Urine Samples. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:537-554. [PMID: 33372779 DOI: 10.1021/acs.jafc.0c07055] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Many studies have associated the consumption of (poly)phenol-rich diets with health benefits. However, accurate high-throughput quantitative methods for estimating exposure covering a broad spectrum of (poly)phenols are lacking. We have developed and validated a high-throughput method for the simultaneous quantification of 119 (poly)phenol metabolites in plasma and urine using ultra high-performance liquid chromatography coupled with triple quadrupole mass spectrometry, with a very fast sample treatment and a single run time of 16 min. This method is highly sensitive, precise, accurate, and shows good linearity for all compounds (R2 > 0.992). This novel method will allow a quantitative assessment of habitual (poly)phenol intake in large epidemiological studies as well as clinical studies investigating the health benefits of dietary (poly)phenols.
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Affiliation(s)
- Maite Domínguez-Fernández
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London SE1 9NH, U.K
- Departamento de Ciencias de la Alimentación y Fisiología, Facultad de Farmacia y Nutrición, Universidad de Navarra, C/ Irunlarrea 1, E-31008 Pamplona, Spain
| | - Yifan Xu
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London SE1 9NH, U.K
| | - Paul Young Tie Yang
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London SE1 9NH, U.K
| | - Wafa Alotaibi
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London SE1 9NH, U.K
| | - Rachel Gibson
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London SE1 9NH, U.K
| | - Wendy L Hall
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London SE1 9NH, U.K
| | - Leon Barron
- Environmental Research Group, MRC Centre for Environment and Health, Imperial College London, London W12 0BZ, U.K
| | - Iziar A Ludwig
- Program of Molecular Therapeutics, Center for Applied Medical Research (CIMA), Universidad de Navarra, Avda. Pío XII, 55, E-31008 Pamplona, Spain
| | - Concepción Cid
- Departamento de Ciencias de la Alimentación y Fisiología, Facultad de Farmacia y Nutrición, Universidad de Navarra, C/ Irunlarrea 1, E-31008 Pamplona, Spain
- IdiSNA, Navarra Institute for Health Research, Pamplona, Spain
| | - Ana Rodriguez-Mateos
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London SE1 9NH, U.K
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17
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Wang B, Lu Y, Hu X, Feng J, Shen W, Wang R, Wang H. Systematic Strategy for Metabolites of Amentoflavone In Vivo and In Vitro Based on UHPLC-Q-TOF-MS/MS Analysis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:14808-14823. [PMID: 33322906 DOI: 10.1021/acs.jafc.0c04532] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Amentoflavone, a biflavonoid occurring in many edible supplements, possesses some bioactivities, including antioxidant, anti-inflammation, antitumor, and neuroprotective activities. In the present study, an ultrahigh-performance liquid chromatography coupled to quadrupole time-of-flight tandem mass spectrometry (UHPLC-Q-TOF-MS/MS) method, combined with a three-step analytical strategy, was employed to identify metabolites in vivo (rat plasma, bile, urine, and feces) and in vitro (rat liver microsomes and rat intestine microsomes). A total of 39 metabolites in rats and nine metabolites in rat microsomes were elucidated by UHPLC-Q-TOF-MS/MS analysis, and the chemical structure of some isomers was further assigned by calculated Clog P values. Oxidation, internal hydrolysis, hydrogenation, methylation, sulfation, glucuronidation, glucosylation, O-aminomethylation, and degradation were the major metabolic pathways of amentoflavone. Noteworthy, O-aminomethylation and glucosylation could be considered as unique metabolic pathways of amentoflavone. This was the first report on metabolite identification of amentoflavone in vivo and in vitro, and the metabolic findings offer novel and valuable evidence for an in-depth understanding of the safety and efficacy of amentoflavone.
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Affiliation(s)
- Baolin Wang
- State Key Laboratory of Natural Medicines, Department of TCM Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
- Nanchang Key Laboratory of Quality Control and Safety Evaluation of TCM, Nanchang Institute for Food and Drug Control, Nanchang 330012, People's Republic of China
| | - Yimeng Lu
- State Key Laboratory of Natural Medicines, Department of TCM Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Xiaolong Hu
- State Key Laboratory of Natural Medicines, Department of TCM Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Jiahao Feng
- State Key Laboratory of Natural Medicines, Department of TCM Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Wei Shen
- State Key Laboratory of Natural Medicines, Department of TCM Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Rong Wang
- State Key Laboratory of Natural Medicines, Department of TCM Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
| | - Hao Wang
- State Key Laboratory of Natural Medicines, Department of TCM Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 210009, People's Republic of China
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18
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Mengist MF, Burtch H, Debelo H, Pottorff M, Bostan H, Nunn C, Corbin S, Kay CD, Bassil N, Hummer K, Lila MA, Ferruzzi MG, Iorizzo M. Development of a genetic framework to improve the efficiency of bioactive delivery from blueberry. Sci Rep 2020; 10:17311. [PMID: 33057109 PMCID: PMC7560831 DOI: 10.1038/s41598-020-74280-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/23/2020] [Indexed: 01/28/2023] Open
Abstract
In the present study, we applied a novel high-throughput in vitro gastrointestinal digestion model to phenotype bioaccessibility of phenolics in a diverse germplasm collection representing cultivated highbush blueberries. Results revealed significant (P < 0.05) differences between accessions, years, and accession by year interaction for relative and absolute bioaccessibility of flavonoids and phenolic acids. Broad sense heritability estimates revealed low to moderate inheritances of relative and absolute bioaccessibility, suggesting that besides environmental variables, genetics factors could control bioaccessibility of phenolics. Acylated anthocyanins had significantly higher relative bioaccessibility than non-acylated anthocyanins. Correlation analysis indicated that relative bioaccessibility did not show significant association with fruit quality or raw concentration of metabolites. The study also identified accessions that have high relative and absolute bioaccessibility values. Overall, combining the bioaccessibility of phenolics with genetic and genomic approaches will enable the identification of genotypes and genetic factors influencing these traits in blueberry.
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Affiliation(s)
- Molla F Mengist
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Haley Burtch
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Hawi Debelo
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Marti Pottorff
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Hamed Bostan
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Candace Nunn
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Sydney Corbin
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA
| | - Colin D Kay
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA.,Department of Food Bioprocessing and Nutrition Sciences, North Carolina State University, Raleigh, 27606, NC, USA
| | - Nahla Bassil
- USDA-ARS-National Clonal Germplasm Repository, Corvallis, OR, 97333, USA
| | - Kim Hummer
- USDA-ARS-National Clonal Germplasm Repository, Corvallis, OR, 97333, USA
| | - Mary Ann Lila
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA.,Department of Food Bioprocessing and Nutrition Sciences, North Carolina State University, Raleigh, 27606, NC, USA
| | - Mario G Ferruzzi
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA. .,Department of Food Bioprocessing and Nutrition Sciences, North Carolina State University, Raleigh, 27606, NC, USA.
| | - Massimo Iorizzo
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC, 28081, USA. .,Department of Horticultural Science, North Carolina State University, Raleigh, 27607, NC, USA.
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19
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Turner AL, Michaelson LV, Shewry PR, Lovegrove A, Spencer JPE. Increased bioavailability of phenolic acids and enhanced vascular function following intake of feruloyl esterase-processed high fibre bread: A randomized, controlled, single blind, crossover human intervention trial. Clin Nutr 2020; 40:788-795. [PMID: 33077275 DOI: 10.1016/j.clnu.2020.07.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/13/2020] [Accepted: 07/19/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Clinical trial data have indicated an association between wholegrain consumption and a reduction in surrogate markers of cardiovascular disease. Phenolics present in wholegrain bound to arabinoxylan fibre may contribute these effects, particularly when released enzymatically from the fiber prior to ingestion. The aim of the present study was therefore to determine whether the intake of high fibre bread containing higher free ferulic acid (FA) levels (enzymatically released during processing) enhances human endothelium-dependent vascular function. METHODS A randomized, single masked, controlled, crossover, human intervention study was conducted on 19 healthy men. Individuals consumed either a high fibre flatbread with enzymatically released free FA (14.22 mg), an equivalent standard high fibre bread (2.34 mg), or a white bread control (0.48 mg) and markers of vascular function and plasma phenolic acid concentrations were measured at baseline, 2, 5 and 7 h post consumption. RESULTS Significantly increased brachial arterial dilation was observed following consumption of the high free FA ('enzyme-treated') high fibre bread verses both a white bread (2 h: p < 0.05; 5 h: p < 0.01) and a standard high fibre bread (5 h: p < 0.05). Concurrently, significant increases in plasma FA levels were observed, at 2 h (p < 0.01) after consumption of the enzyme-treated bread, relative to control treatments. Blood pressure, heart rate, DVP-SI and DVP-RI were not significantly altered following intake of any of the breads (p > 0.05). CONCLUSION Dietary intake of bread, processed enzymatically to release FA from arabinoxylan fiber during production increases the bioavailability of FA, and induces acute endothelium-dependent vasodilation. CLINICAL TRIAL REGISTRY NO: NCT03946293. WEBSITE: www.clinicaltrials.gov.
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Affiliation(s)
- Alice L Turner
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading, UK (ALT, JPES)
| | - Louise V Michaelson
- Department of Plant Sciences, Rothamsted Research, Harpenden, UK (LVM, PRS, AL)
| | - Peter R Shewry
- Department of Plant Sciences, Rothamsted Research, Harpenden, UK (LVM, PRS, AL).; School of Agriculture, Policy and Development, University of Reading, Reading, Berks, UK (PRS)
| | - Alison Lovegrove
- Department of Plant Sciences, Rothamsted Research, Harpenden, UK (LVM, PRS, AL)
| | - Jeremy P E Spencer
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading, UK (ALT, JPES)..
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20
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Tena N, Martín J, Asuero AG. State of the Art of Anthocyanins: Antioxidant Activity, Sources, Bioavailability, and Therapeutic Effect in Human Health. Antioxidants (Basel) 2020; 9:E451. [PMID: 32456252 PMCID: PMC7278599 DOI: 10.3390/antiox9050451] [Citation(s) in RCA: 152] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/19/2020] [Accepted: 05/19/2020] [Indexed: 01/09/2023] Open
Abstract
The antioxidant activity of anthocyanins in food is well known. Numerous antioxidant assays have been proposed to measure the capacity of anthocyanins to prevent the oxidation process that naturally occurs. Different solvents, temperatures, and pH levels are applied in each assay, and these factors should be taken into account in order to obtain useful and reproducible results. The concentration and the structure of these compounds are directly related to their antioxidant capacity and their environment. However, the effectiveness of the anthocyanin ingestion against diseases is also influenced by its bioavailability. Novel methodologies that simulate the digestion process have been developed in order to facilitate the current knowledge of anthocyanins bioavailability. Studies highlight the potential synergy effect between parent compounds and their derivatives (metabolites, conjugated products, and microbe-generated metabolites). The aim of this review is to provide an overview of advantages and disadvantages of the most common methods to determine the antioxidant activity of anthocyanins, chemical structure, and concentration of these compounds in different edible fruits, vegetables, and plants; their bioavailability after intake; as well as the main therapeutic effect described in the scientific literature.
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Affiliation(s)
- Noelia Tena
- Departamento de Química Analítica, Facultad de Farmacia, Universidad de Sevilla, Prof. García González 2, E-41012 Sevilla, Spain;
| | - Julia Martín
- Departamento de Química Analítica, Escuela Politécnica Superior, Universidad de Sevilla, C/Virgen de África 7, E-41011 Sevilla, Spain;
| | - Agustín G. Asuero
- Departamento de Química Analítica, Facultad de Farmacia, Universidad de Sevilla, Prof. García González 2, E-41012 Sevilla, Spain;
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21
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Improved recovery of galloyl metabolites from mango (Mangifera indica L.) in human plasma using protein precipitation with sodium dodecyl sulfate and methanol. Food Res Int 2020; 129:108812. [PMID: 32036936 DOI: 10.1016/j.foodres.2019.108812] [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: 12/12/2018] [Revised: 11/08/2019] [Accepted: 11/10/2019] [Indexed: 11/20/2022]
Abstract
Extraction of polyphenolic metabolites from blood fractions can be challenging since compound recovery can be limited by chemical structure, polarity, and protein-binding affinity of analytes. Gallic acid and its metabolites exhibit particularly low recoveries from plasma and can lead to an underestimation of their bioavailability from foods. A modified method to extract free gallic acid and its metabolites from human plasma aided by sodium dodecyl sulfate and acidified methanol (SDS-MeOH) was applied to extract free gallic acid and its metabolites from human plasma after a single consumption of 400 g of mango (cv. Ataulfo) pulp by 10 healthy male and female subjects. The use of SDS-MeOH facilitated extraction of significantly (p < 0.05) more pyrogallol, free gallic acid, 4-O-methylgallic acid, and ethyl gallate with recovery rates exceeding 80% in standard recovery from human blood plasma when compared to conventional methods that rely on solvent extraction or solid phase extraction. The method was reproducible and precise for standards from 50 to 500 μg/L. In pharmacokinetic plasma samples five predominant metabolites of gallic acid were tentatively characterized by HPLC-MS and absorption kinetics evaluated over 8 h for catechol-O-sulfate, 4-O-methylgallic acid-3-O-sulfate, and pyrogallol-O-sulfate, methylpyrogallol-O-sulfate, and 4-O-methylgallic acid with AUC0-8h of 9520 ± 3370, 6030 ± 1310, 5990 ± 1690, 4020 ± 1040, and 2790 ± 1190 μg/L h respectively. Plasma extraction was rapid and reproducible with superior recovery rates compared to conventional methods when evaluating polar phenolic metabolites.
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Kaiser M, Müller-Ehl L, Passon M, Schieber A. Development and Validation of Methods for the Determination of Anthocyanins in Physiological Fluids via UHPLC-MS n. Molecules 2020; 25:molecules25030518. [PMID: 31991680 PMCID: PMC7037091 DOI: 10.3390/molecules25030518] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/17/2020] [Accepted: 01/21/2020] [Indexed: 12/17/2022] Open
Abstract
Recent in vitro and in vivo studies on anthocyanins confirmed numerous health-promoting effects in humans. Daily anthocyanin intake can be estimated via food databases, but the amount absorbed by the organism still remains uncertain because anthocyanin bioavailability is yet to be elucidated in its entirety. For this purpose, suitable and validated methods of sample preparation and analysis are required. Therefore, a sample preparation method for anthocyanin metabolite analysis in plasma was successfully established and validated. The validation yielded acceptable results for the anthocyanins in terms of recovery (54–108%) and precision (coefficient of variation (CV) < 15%). The UHPLC-MS method used in the consecutive reaction monitoring (CRM) mode was sufficiently sensitive, resulting in limits of detection <2.3 ng/mL and limits of quantification < 8.1 ng/mL with associated repeatability of the MS system with CVs of <5.1%. In addition, a method for the sum parameter determination of anthocyanidins in urine comprising solely the evaporation of acidified samples was developed, validated, and successfully applied to real samples. The results showed that this method is applicable for the methylated anthocyanidins, but not for the hydroxylated anthocyanidins, due to the chosen CRM modes required for optimum selectivity.
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Curtis PJ, van der Velpen V, Berends L, Jennings A, Feelisch M, Umpleby AM, Evans M, Fernandez BO, Meiss MS, Minnion M, Potter J, Minihane AM, Kay CD, Rimm EB, Cassidy A. Blueberries improve biomarkers of cardiometabolic function in participants with metabolic syndrome-results from a 6-month, double-blind, randomized controlled trial. Am J Clin Nutr 2019; 109:1535-1545. [PMID: 31136659 PMCID: PMC6537945 DOI: 10.1093/ajcn/nqy380] [Citation(s) in RCA: 130] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 12/10/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Anthocyanin-rich blueberry intake is associated with reduced type 2 diabetes and cardiovascular disease (CVD) risk in prospective studies, although long-term randomized controlled trials (RCTs) have not been conducted in at-risk populations. OBJECTIVE In the longest-duration RCT to date, we examined the effect of 6-mo blueberry intake on insulin resistance and cardiometabolic function in metabolic syndrome. METHODS A double-blind, parallel RCT (n = 115; age 63 ± 7 y; 68% male; body mass index 31.2 ± 3.0 kg/m2) was conducted, which fed 2 dietarily achievable blueberry intakes [equivalent to 1/2 and 1 cup/d (75/150 g)] compared with matched placebo. Insulin resistance was assessed via the homeostasis model assessment of insulin resistance (primary endpoint) and confirmed by [6-6-2H2]-glucose-labeled, 2-step hyperinsulinemic clamp (n = 20). Clinically relevant cardiometabolic endpoints [including flow-mediated dilatation, augmentation index, lipoprotein status (by nuclear magnetic resonance spectroscopy), and nitric oxide (NO)-related metabolite assay] and anthocyanin metabolism were assessed. RESULTS A daily intake of 1 cup of blueberries improved endothelial function (flow-mediated dilatation: +1.45%; 95% CI: 0.83%, 2.1%; P = 0.003), systemic arterial stiffness (augmentation index: -2.24%; 95% CI: -3.97%, -0.61%; P = 0.04) and attenuated cyclic guanosine monophosphate concentrations. In statin nonusers (n = 71), elevated high-density lipoprotein cholesterol (+0.08 mmol/L; P = 0.03), high-density lipoprotein particle density (+0.48n, ×10-6; P = 0.002) and apolipoprotein A-I (+0.05 g/L; P = 0.01) concentrations were observed following the 1-cup/d intervention. Treatment compliance was 94.1% (wrapper returns) and total concentrations of anthocyanin-derived phenolic acid metabolites significantly increased, dose-dependently, in serum and 24-h urine (P < 0.01 and P < 0.001, respectively). Insulin resistance, pulse wave velocity, blood pressure, NO, and overall plasma thiol status were unaffected. Likewise, a half cup per day had no effect on any biomarkers. CONCLUSIONS Despite insulin resistance remaining unchanged we show, to our knowledge, the first sustained improvements in vascular function, lipid status, and underlying NO bioactivity following 1 cup blueberries/d. With effect sizes predictive of 12-15% reductions in CVD risk, blueberries should be included in dietary strategies to reduce individual and population CVD risk. This study was registered at clinicaltrials.gov as NCT02035592.
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Affiliation(s)
- Peter J Curtis
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Vera van der Velpen
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Lindsey Berends
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Amy Jennings
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Martin Feelisch
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - A Margot Umpleby
- Department of Nutritional Sciences, University of Surrey, Guildford, United Kingdom
| | - Mark Evans
- Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Cambridge, United Kingdom
| | - Bernadette O Fernandez
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - Mia S Meiss
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - Magdalena Minnion
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom
| | - John Potter
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Anne-Marie Minihane
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Colin D Kay
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Eric B Rimm
- Departments of Epidemiology & Nutrition, Harvard TH Chan School of Public Health, and Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
| | - Aedín Cassidy
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich, United Kingdom,Address correspondence to AC (e-mail: )
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Martin C. A role for plant science in underpinning the objective of global nutritional security? ANNALS OF BOTANY 2018; 122:541-553. [PMID: 29982346 PMCID: PMC6153469 DOI: 10.1093/aob/mcy118] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Accepted: 06/08/2018] [Indexed: 05/29/2023]
Abstract
Background The challenges of achieving global food security have become more demanding as scientists have realized that not only calorie content but also food composition and colonic microbial content impact our health and well-being, dramatically. The ways that the nutrients we consume affect our health are highly complex due to the diversity of what we eat, the varying digestibility of what we eat, the changing composition and functioning of each individual's gut microbiota, the differences in absorption and bioavailability of the nutrients we eat, the differences in responses between individuals to what they eat and the multi-fold mechanisms of action that nutrients have on our health. Perspective and Conclusions It has been accepted for more than 50 years that diets rich in plants, particularly fruit and vegetables, protect health, and yet such diets have declined, with lower fruit and vegetable content and much more cheap, sugary, oily, processed foods, over the same period. These dietary shifts have had a marked impact on the incidence of chronic diseases: obesity, metabolic diseases, type 2 diabetes and cardiovascular diseases. Greater support for research into the ways that plant-based foods impact health will be essential for changing dietary patterns to protect health and to achieve global nutritional security.
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Affiliation(s)
- Cathie Martin
- Department of Metabolic Biology, John Innes Centre, Norwich Research Park, Norwich, UK
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25
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Ordóñez JL, Pereira-Caro G, Ludwig I, Muñoz-Redondo JM, Ruiz-Moreno MJ, Crozier A, Moreno-Rojas JM. A critical evaluation of the use of gas chromatography- and high performance liquid chromatography-mass spectrometry techniques for the analysis of microbial metabolites in human urine after consumption of orange juice. J Chromatogr A 2018; 1575:100-112. [PMID: 30228007 DOI: 10.1016/j.chroma.2018.09.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 08/01/2018] [Accepted: 09/08/2018] [Indexed: 12/11/2022]
Abstract
The present study compared and validated two analytical methods, HPLC-HRMS, and GC-MS using MSTFA as derivatization agent, for the analysis of microbiota-derived phenolic acids and aromatic compounds accumulating in urine, collected over a 24 h period after the consumption of 500 mL of orange juice. In addition, purification procedures using SDB-L and HLB solid phase cartridges were compared when HPLC-HRMS technique was used. Both HPLC-HRMS and GC-MS methodologies were successfully validated in terms of specificity, sensitivity, limit of detection and quantification, recovery and matrix effects. HPLC-HRMS, unlike GC-MS, does not require sample derivatization prior to analysis. GC-MS was not suitable for the analysis of phenolic sulfate and glucuronide metabolites because of their lack of volatility. These phase II metabolites could, however, be analysed by HPLC-HRMS which, as a consequence, provided more detailed and complete information on the phenolic compounds derived from microbiota-mediated degradation of orange juice (poly)phenols. Furthermore, the use of SDB-L and HLB cartridges for sample purification prior to HPLC-HRMS analysis is suitable for free phenolics and glucuronide metabolites but not sulfate derivatives. These findings highlight that the use of an inappropriate analytical protocol can adversely affect studies on the bioavailability of dietary (poly)phenols in which microbiota-derived phenolic catabolites play an important role.
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Affiliation(s)
- José Luis Ordóñez
- Department of Food Science and Health, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Avenida Menéndez-Pidal, SN, 14004, Córdoba, Spain
| | - Gema Pereira-Caro
- Department of Food Science and Health, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Avenida Menéndez-Pidal, SN, 14004, Córdoba, Spain.
| | - Iziar Ludwig
- Department of Food and Technology, Universidad de Lleida, 25198, Lleida, Spain
| | - José Manuel Muñoz-Redondo
- Department of Food Science and Health, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Avenida Menéndez-Pidal, SN, 14004, Córdoba, Spain
| | - María José Ruiz-Moreno
- Department of Food Science and Health, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Avenida Menéndez-Pidal, SN, 14004, Córdoba, Spain
| | - Alan Crozier
- School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow G12 8QQ, UK; Department of Nutrition, University of California, Davis, CA 95616-5270, USA
| | - José Manuel Moreno-Rojas
- Department of Food Science and Health, Andalusian Institute of Agricultural and Fisheries Research and Training (IFAPA), Avenida Menéndez-Pidal, SN, 14004, Córdoba, Spain
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Daveri E, Cremonini E, Mastaloudis A, Hester SN, Wood SM, Waterhouse AL, Anderson M, Fraga CG, Oteiza PI. Cyanidin and delphinidin modulate inflammation and altered redox signaling improving insulin resistance in high fat-fed mice. Redox Biol 2018; 18:16-24. [PMID: 29890336 PMCID: PMC6035912 DOI: 10.1016/j.redox.2018.05.012] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 05/21/2018] [Accepted: 05/28/2018] [Indexed: 02/06/2023] Open
Abstract
Consumption of diets high in fat and/or fructose content promotes tissue inflammation, oxidative stress, and insulin resistance, activating signals (e.g. NF-κB/JNK) that downregulate the insulin cascade. Current evidence supports the concept that select flavonoids can mitigate obesity and type 2 diabetes (T2D). This work investigated if supplementation with the anthocyanidins (AC) cyanidin and delphinidin could attenuate the adverse consequences of consuming a high fat diet (HFD) in mice. Consumption of an AC-rich blend mitigated HFD-induced obesity, dyslipidemia and insulin resistance (impaired responses to insulin and glucose). HFD-fed mice were characterized by increased liver lipid deposition and inflammation, which were also attenuated upon AC supplementation. HFD caused liver oxidative stress showing an increased expression of NADPH oxidases, generators of superoxide and H2O2, and high levels of oxidized lipid-protein adducts. This was associated with the activation of the redox sensitive signals IKK/NF-κB and JNK1/2, and increased expression of the NF-κB-regulated PTP1B phosphatase, all known inhibitors of the insulin pathway. In agreement with an improved insulin sensitivity, AC supplementation inhibited oxidative stress, NF-κB and JNK activation, and PTP1B overexpression. Thus, cyanidin and delphinidin consumption either through diet or by supplementation could be a positive strategy to control the adverse effects of Western style diets, including overweight, obesity, and T2D. Modulation of inflammation, oxidative stress, and NF-κB/JNK activation emerge as relevant targets of AC beneficial actions.
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Key Words
- ac, anthocyanidins
- gip, gastric inhibitory polypeptide
- glp-1, glucagon-like peptide-1
- gtt, glucose tolerance test
- hfd, high fat diet
- 4-hne, 4-hydroxynonenal
- ikk, iκb kinase
- irs1, insulin receptor substrate-1
- itt, insulin tolerance test
- jnk, c-jun n-terminal kinase
- mcp-1, monocyte chemoattractant protein-1, nafld, nonalcoholic fatty liver disease
- nos2, inducible nitric oxide synthase
- nox, nadph oxidase
- ptp1b, protein tyrosine phosphatase 1b
- tnfα, tumor necrosis factor alpha
- t2d, type 2 diabetes
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Affiliation(s)
- Elena Daveri
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA
| | - Eleonora Cremonini
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA
| | | | | | - Steven M Wood
- Pharmanex Research, NSE Products, Inc., Provo, UT, USA
| | - Andrew L Waterhouse
- Department of Viticulture and Enology, University of California, Davis, CA, USA
| | - Mauri Anderson
- Department of Viticulture and Enology, University of California, Davis, CA, USA
| | - Cesar G Fraga
- Department of Nutrition, University of California, Davis, CA, USA; Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Bioquímica y Medicina Molecular (IBIMOL), UBA-CONICET, Buenos Aires, Argentina
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, CA, USA; Department of Environmental Toxicology, University of California, Davis, CA, USA.
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Zhang X, Sandhu A, Edirisinghe I, Burton-Freeman B. An exploratory study of red raspberry (Rubus idaeus L.) (poly)phenols/metabolites in human biological samples. Food Funct 2018; 9:806-818. [PMID: 29344587 DOI: 10.1039/c7fo00893g] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Red raspberry (Rubus idaeus L.) contains a variety of polyphenols including anthocyanins and ellagitannins. Red raspberry polyphenols absorbed in different forms (parent compounds, degradants or microbial metabolites) are subject to xenobiotic metabolism in the intestine, liver, and/or kidney, forming methylate, glucuronide, and sulfate conjugated metabolites. Upon acute exposure, (poly)phenol/metabolite presence in the blood depends mainly on intestinal absorption, enterohepatic circulation, and metabolism by resident microbiota. However, chronic exposure to red raspberry polyphenols may alter metabolite patterns depending on adaptions in the xenobiotic machinery and/or microbiota composition. Understanding the metabolic fate of these compounds and their composition in different biological specimens relative to the exposure time/dose will aid in designing future health benefit studies, including the mechanism of action studies. The present exploratory study applied ultra-high performance liquid chromatography (UHPLC) coupled with quadrupole time-of-flight (QTOF) and triple quadrupole (QQQ) mass spectrometries to characterize red raspberry polyphenols in fruit and then their appearance, including metabolites in human biological samples (plasma, urine and breast milk) after the chronic intake of red raspberries. The results suggested that the most abundant polyphenols in red raspberries included cyanidin 3-O-sophoroside, cyanidin 3-O-glucoside, sanguiin H6 and lambertianin C. Sixty-two (poly)phenolic compounds were tentatively identified in the plasma, urine and breast milk samples after the intake of red raspberries. In general, urine contained the highest content of phenolic metabolites; phase II metabolites, particularly sulfated conjugates, were mainly present in urine and breast milk, and breast milk contained fewer parent anthocyanins compared to urine and plasma.
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Affiliation(s)
- Xuhuiqun Zhang
- Center for Nutrition Research, Institute for Food Safety and Health, Illinois Institute of Technology, IL, USA.
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Ottaviani JI, Fong RY, Borges G, Schroeter H, Crozier A. Use of LC-MS for the quantitative analysis of (poly)phenol metabolites does not necessarily yield accurate results: Implications for assessing existing data and conducting future research. Free Radic Biol Med 2018; 124:97-103. [PMID: 29870748 DOI: 10.1016/j.freeradbiomed.2018.05.092] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 05/31/2018] [Indexed: 11/22/2022]
Abstract
Plant-derived, dietary (poly)phenols have potential effects on disease-risk reduction and primary disease prevention. The characterization of (poly)phenol absorption, distribution, metabolism and excretion (ADME) is recognized as crucial step to further advance nutritional and biomedical research of these compounds; and given that (poly)phenols are extensively metabolized after ingestion, accurate assessments of their in vivo metabolites is required. It has become common practice to use unmetabolized parent compounds as reference standards when quantifying (poly)phenol metabolites by LC-MS, although little is known about the accuracy of this approach. To investigate this situation with routinely used LC-MS conditions, the signal yielded by the flavan-3-ol (-)-epicatechin was compared to those of authentic standards of its phase II and microbiota-derived metabolites. The results obtained revealed underestimations up to 94% and overestimations up to 113% of individual epicatechin metabolites. Inaccurate quantitative estimates were also obtained when phase II metabolites of other (poly)phenols were quantified by reference to their unmetabolized parent compounds. This demonstrates the importance of using structurally-identical authentic metabolites as reference compounds when quantifying (poly)phenol metabolites by LC-MS. This is of importance, not just to the accuracy of ADME studies, but for the identification and validation of (poly)phenol metabolites as biomarkers of intake in epidemiological studies.
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Affiliation(s)
- Javier I Ottaviani
- Mars Inc., McLean, VA 22101, USA; Department of Nutrition, University of California, Davis, CA 95616, USA
| | - Reedmond Y Fong
- Department of Nutrition, University of California, Davis, CA 95616, USA
| | - Gina Borges
- Department of Nutrition, University of California, Davis, CA 95616, USA
| | | | - Alan Crozier
- Department of Nutrition, University of California, Davis, CA 95616, USA.
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Development and validation of an UHPLC-HRMS protocol for the analysis of flavan-3-ol metabolites and catabolites in urine, plasma and feces of rats fed a red wine proanthocyanidin extract. Food Chem 2018; 252:49-60. [DOI: 10.1016/j.foodchem.2018.01.083] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 01/09/2018] [Accepted: 01/11/2018] [Indexed: 12/15/2022]
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30
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Braga ARC, Murador DC, de Souza Mesquita LM, de Rosso VV. Bioavailability of anthocyanins: Gaps in knowledge, challenges and future research. J Food Compost Anal 2018. [DOI: 10.1016/j.jfca.2017.07.031] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Bardagjy AS, Hu Q, Giebler KA, Ford A, Steinberg FM. Effects of grape consumption on biomarkers of inflammation, endothelial function, and PBMC gene expression in obese subjects. Arch Biochem Biophys 2018; 646:145-152. [PMID: 29649425 DOI: 10.1016/j.abb.2018.04.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 04/03/2018] [Accepted: 04/06/2018] [Indexed: 12/11/2022]
Abstract
This study investigated effects of grape consumption on biomarkers of cardiovascular health in obese participants in both postprandial and chronic settings. Twenty obese adults participated in this randomized, placebo controlled, double-blinded crossover trial. Participants were randomized to consume 60 g freeze-dried polyphenol-rich whole grape powder (GP) or placebo (PBO) followed by high fat high carbohydrate (HFHC) meal challenge. Following acute challenge, participants consumed their respective treatment daily for 4 weeks to determine effects of chronic consumption. Consumption of GP with HFHC meal significantly increased nuclear factor (erythroid-derived 2)-like 2 (NRF2) expression in peripheral blood mononuclear cells (PBMC) at 3 h (p < 0.05) and decreased plasma endothelin-1 (ET-1) concentration at 5 h (p < 0.05) after meal challenge compared with PBO. Following 4 weeks of daily GP consumption, soluble vascular cell adhesion molecule 1 (sVCAM-1) plasma concentration increased compared with PBO (p < 0.05), however baseline values differed between treatments. In conclusion, GP consumption resulted in decreased vasoconstrictor ET-1 concentration and increased gene expression related to oxidative stress defense following HFHC meal. Except for increase in sVCAM-1 concentration, 4 weeks of chronic GP consumption had little effect on cardiovascular biomarkers measured in this study. This trial was registered: clinicaltrials.gov NCT01674231.
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Affiliation(s)
- Allison S Bardagjy
- Department of Nutrition and Graduate Group in Nutritional Biology, University of California, Davis, CA 95616, United States
| | - Qian Hu
- Department of Nutrition and Graduate Group in Nutritional Biology, University of California, Davis, CA 95616, United States
| | - Kathryn A Giebler
- Department of Nutrition and Graduate Group in Nutritional Biology, University of California, Davis, CA 95616, United States
| | - Addison Ford
- Department of Nutrition and Graduate Group in Nutritional Biology, University of California, Davis, CA 95616, United States
| | - Francene M Steinberg
- Department of Nutrition and Graduate Group in Nutritional Biology, University of California, Davis, CA 95616, United States.
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Selected Phyto and Marine Bioactive Compounds: Alternatives for the Treatment of Type 2 Diabetes. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2018. [DOI: 10.1016/b978-0-444-64068-0.00004-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Schär MY, Corona G, Soycan G, Dine C, Kristek A, Alsharif SNS, Behrends V, Lovegrove A, Shewry PR, Spencer JPE. Excretion of Avenanthramides, Phenolic Acids and their Major Metabolites Following Intake of Oat Bran. Mol Nutr Food Res 2017; 62. [PMID: 29024323 PMCID: PMC5836716 DOI: 10.1002/mnfr.201700499] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 09/08/2017] [Indexed: 12/11/2022]
Abstract
SCOPE Wholegrain has been associated with reduced chronic disease mortality, with oat intake particularly notable for lowering blood cholesterol and glycemia. To better understand the complex nutrient profile of oats, we studied urinary excretion of phenolic acids and avenanthramides after ingestion of oat bran in humans. METHODS AND RESULTS After a 2-d (poly)phenol-low diet, seven healthy men provided urine 12 h before and 48 h after consuming 60 g oat bran (7.8 μmol avenanthramides, 139.2 μmol phenolic acids) or a phenolic-low (traces of phenolics) control in a crossover design. Analysis by ultra-high performance liquid chromatography (UPLC)-MS/MS showed that oat bran intake resulted in an elevation in urinary excretion of 30 phenolics relative to the control, suggesting that they are oat bran-derived. Mean excretion levels were elevated between 0-2 and 4-8 h, following oat bran intake, and amounted to a total of 33.7 ± 7.3 μmol total excretion (mean recovery: 22.9 ± 5.0%), relative to control. The predominant metabolites included: vanillic acid, 4- and 3-hydroxyhippuric acids, and sulfate-conjugates of benzoic and ferulic acids, which accounted collectively for two thirds of total excretion. CONCLUSION Oat bran phenolics follow a relatively rapid urinary excretion, with 30 metabolites excreted within 8 h of intake. These levels of excretion suggest that bound phenolics are, in part, rapidly released by the microbiota.
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Affiliation(s)
- Manuel Y Schär
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading, UK
| | - Giulia Corona
- Health Sciences Research Centre, University of Roehampton, London, UK
| | - Gulten Soycan
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading, UK
| | - Clemence Dine
- Health Sciences Research Centre, University of Roehampton, London, UK
| | - Angelika Kristek
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading, UK
| | - Sarah N S Alsharif
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading, UK
| | - Volker Behrends
- Health Sciences Research Centre, University of Roehampton, London, UK
| | | | | | - Jeremy P E Spencer
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading, UK
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Cremonini E, Mastaloudis A, Hester SN, Verstraeten SV, Anderson M, Wood SM, Waterhouse AL, Fraga CG, Oteiza PI. Anthocyanins inhibit tumor necrosis alpha-induced loss of Caco-2 cell barrier integrity. Food Funct 2017; 8:2915-2923. [PMID: 28740990 DOI: 10.1039/c7fo00625j] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
An increased permeability of the intestinal barrier is proposed as a major event in the pathophysiology of conditions characterized by chronic gut inflammation. This study investigated the capacity of pure anthocyanins (AC), and berry and rice extracts containing different types and amounts of AC, to inhibit tumor necrosis alpha (TNFα)-induced permeabilization of Caco-2 cell monolayers. Caco-2 cells differentiated into intestinal epithelial cell monolayers were incubated in the absence/presence of TNFα, with or without the addition of AC or AC-rich plant extracts (ACRE). AC and ACRE inhibited TNFα-induced loss of monolayer permeability as assessed by changes in transepithelial electrical resistance (TEER) and paracellular transport of FITC-dextran. In the range of concentrations tested (0.25-1 μM), O-glucosides of cyanidin, and delphinidin, but not those of malvidin, peonidin and petunidin protected the monolayer from TNFα-induced decrease of TEER and increase of FITC-dextran permeability. Cyanidin and delphinidin acted by mitigating TNFα-triggered activation of transcription factor NF-κB, and downstream phosphorylation of myosin light chain (MLC). The protective actions of the ACRE on TNFα-induced TEER increase was positively correlated with the sum of cyanidins and delphinidins (r2 = 0.83) content in the ACRE. However, no correlation was observed between TEER and ACRE total AC, malvidin, or peonidin content. Results support a particular capacity of cyanidins and delphinidins in the protection of the intestinal barrier against inflammation-induced permeabilization, in part through the inhibition of the NF-κB pathway.
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Affiliation(s)
- Eleonora Cremonini
- Department of Nutrition, University of California, Davis, CA, USA. and Department of Environmental Toxicology, University of California, Davis, CA, USA
| | | | | | - Sandra V Verstraeten
- Departamento de Química Biológica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina and Instituto de Quimica y Fisicoquímica Biológicas (IQUIFIB), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Maureen Anderson
- Department of Viticulture and Enology, University of California, Davis, CA, USA
| | - Steven M Wood
- Pharmanex Research, NSE Products, Inc., Provo, UT, USA
| | - Andrew L Waterhouse
- Department of Viticulture and Enology, University of California, Davis, CA, USA
| | - Cesar G Fraga
- Department of Nutrition, University of California, Davis, CA, USA. and Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina. and Instituto de Bioquímica y Medicina Molecular (IBIMOL), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Patricia I Oteiza
- Department of Nutrition, University of California, Davis, CA, USA. and Department of Environmental Toxicology, University of California, Davis, CA, USA
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Brindani N, Mena P, Calani L, Benzie I, Choi SW, Brighenti F, Zanardi F, Curti C, Del Rio D. Synthetic and analytical strategies for the quantification of phenyl-γ-valerolactone conjugated metabolites in human urine. Mol Nutr Food Res 2017; 61. [DOI: 10.1002/mnfr.201700077] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 04/18/2017] [Accepted: 04/19/2017] [Indexed: 01/26/2023]
Affiliation(s)
- Nicoletta Brindani
- Human Nutrition Unit; Department of Food & Drug; University of Parma; Parma Italy
- Department of Food & Drug; University of Parma; Parma Italy
| | - Pedro Mena
- Human Nutrition Unit; Department of Food & Drug; University of Parma; Parma Italy
| | - Luca Calani
- Human Nutrition Unit; Department of Food & Drug; University of Parma; Parma Italy
| | - Iris Benzie
- The Department of Health Technology and Informatics; Hong Kong Polytechnic University; Hung Hom Kowloon Hong Kong
| | - Siu-Wai Choi
- The Department of Health Technology and Informatics; Hong Kong Polytechnic University; Hung Hom Kowloon Hong Kong
| | - Furio Brighenti
- Human Nutrition Unit; Department of Food & Drug; University of Parma; Parma Italy
| | - Franca Zanardi
- Department of Food & Drug; University of Parma; Parma Italy
| | - Claudio Curti
- Department of Food & Drug; University of Parma; Parma Italy
| | - Daniele Del Rio
- Human Nutrition Unit; Department of Food & Drug; University of Parma; Parma Italy
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Blanco-Ulate B, Hopfer H, Figueroa-Balderas R, Ye Z, Rivero RM, Albacete A, Pérez-Alfocea F, Koyama R, Anderson MM, Smith RJ, Ebeler SE, Cantu D. Red blotch disease alters grape berry development and metabolism by interfering with the transcriptional and hormonal regulation of ripening. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:1225-1238. [PMID: 28338755 PMCID: PMC5444480 DOI: 10.1093/jxb/erw506] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Grapevine red blotch-associated virus (GRBaV) is a major threat to the wine industry in the USA. GRBaV infections (aka red blotch disease) compromise crop yield and berry chemical composition, affecting the flavor and aroma properties of must and wine. In this study, we combined genome-wide transcriptional profiling with targeted metabolite analyses and biochemical assays to characterize the impact of the disease on red-skinned berry ripening and metabolism. Using naturally infected berries collected from two vineyards, we were able to identify consistent berry responses to GRBaV across different environmental and cultural conditions. Specific alterations of both primary and secondary metabolism occurred in GRBaV-infected berries during ripening. Notably, GRBaV infections of post-véraison berries resulted in the induction of primary metabolic pathways normally associated with early berry development (e.g. thylakoid electron transfer and the Calvin cycle), while inhibiting ripening-associated pathways, such as a reduced metabolic flux in the central and peripheral phenylpropanoid pathways. We show that this metabolic reprogramming correlates with perturbations at multiple regulatory levels of berry development. Red blotch caused the abnormal expression of transcription factors (e.g. NACs, MYBs, and AP2-ERFs) and elements of the post-transcriptional machinery that function during red-skinned berry ripening. Abscisic acid, ethylene, and auxin pathways, which control both the initiation of ripening and stress responses, were also compromised. We conclude that GRBaV infections disrupt normal berry development and stress responses by altering transcription factors and hormone networks, which result in the inhibition of ripening pathways involved in the generation of color, flavor, and aroma compounds.
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Affiliation(s)
- Barbara Blanco-Ulate
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
- Department of Plant Sciences, University of California Davis, Davis, CA 95616, USA
| | - Helene Hopfer
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
- Department of Food Science, The Pennsylvania State University, University Park, PA 16802, USA
| | - Rosa Figueroa-Balderas
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
| | - Zirou Ye
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
| | - Rosa M Rivero
- CEBAS-CSIC, Campus de Espinardo, 30100, Murcia, Spain
| | | | | | - Renata Koyama
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
- Department of Agronomy, Londrina State University, Celso Garcia Cid Road, Londrina, PR, 86057-970, Brazil
| | - Michael M Anderson
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
| | - Rhonda J Smith
- University of California Cooperative Extension, Sonoma County, Santa Rosa, CA 95403, USA
| | - Susan E Ebeler
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
| | - Dario Cantu
- Department of Viticulture and Enology, University of California Davis, Davis, CA 95616, USA
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Feliciano RP, Mecha E, Bronze MR, Rodriguez-Mateos A. Development and validation of a high-throughput micro solid-phase extraction method coupled with ultra-high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry for rapid identification and quantification of phenolic metabolites in human plasma and urine. J Chromatogr A 2016; 1464:21-31. [PMID: 27527878 DOI: 10.1016/j.chroma.2016.08.027] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 08/10/2016] [Accepted: 08/11/2016] [Indexed: 12/18/2022]
Abstract
A rapid and high-throughput micro-solid phase extraction (μ-SPE) method coupled with ultra-high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UHPLC Q-TOF MS) analysis was optimized and validated for the quantification of 67 (poly)phenol metabolites in human plasma and urine using authentic standards. The method was fully validated in terms of specificity, linearity, method detection limit (MDL), method quantification limit (MQL), repeatability, intra- and inter-day precision, accuracy and matrix effects. The method proved to be specific and results showed linearity of responses for all compounds, with MDL ranging between 0.04nM and 86nM in plasma and between 0.01nM and 136nM in urine. MQL ranged between 0.14nM and 286nM in plasma and between 0.03nM and 465nM in urine. Repeatability varied between 1.7 and 9.2% in plasma and between 2.2% and 10.4% in urine. Median precision values of 8.7 and 11.5% (intra-day), and 10.8% and 10.0% (inter-day) were obtained in plasma and urine, respectively. The median recovery was 89% in both biological matrices. Matrix effects were determined and median values of -1.2% and -6.8% in plasma and urine were obtained. After method validation, 49 and 57 compounds, including phase II and gut microbial metabolites, were quantified in plasma and urine, respectively, following cranberry juice consumption. This methodology can be applied to large-scale human dietary intervention trials allowing for high sample throughput.
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Affiliation(s)
- Rodrigo P Feliciano
- Division of Cardiology, Pulmonology and Vascular Medicine, University of Düsseldorf, Universitätsstraße 1, Düsseldorf 40225, Germany
| | - Elsa Mecha
- Instituto de Tecnologia Química e Biológica (ITQB), Universidade Nova de Lisboa, Oeiras, Portugal
| | - Maria R Bronze
- Instituto de Tecnologia Química e Biológica (ITQB), Universidade Nova de Lisboa, Oeiras, Portugal; Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal; iMED, Faculdade de Farmácia, Universidade de Lisboa, Av. das Forças Armadas, 1649-019 Lisboa, Portugal
| | - Ana Rodriguez-Mateos
- Division of Cardiology, Pulmonology and Vascular Medicine, University of Düsseldorf, Universitätsstraße 1, Düsseldorf 40225, Germany.
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Berries and anthocyanins: promising functional food ingredients with postprandial glycaemia-lowering effects. Proc Nutr Soc 2016; 75:342-55. [PMID: 27170557 DOI: 10.1017/s0029665116000240] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The prevalence of type 2 diabetes (T2D) is predicted to reach unprecedented levels in the next few decades. In addition to excess body weight, there may be other overlapping dietary drivers of impaired glucose homeostasis that are associated with an obesogenic diet, such as regular exposure to postprandial spikes in blood glucose arising from diets dominated by highly refined starches and added sugars. Strategies to reduce postprandial hyperglycaemia by optimising the functionality of foods would strengthen efforts to reduce the risk of T2D. Berry bioactives, including anthocyanins, are recognised for their inhibitory effects on carbohydrate digestion and glucose absorption. Regular consumption of berries has been associated with a reduction in the risk of T2D. This review aims to examine the evidence from in vitro, animal and human studies, showing that berries and berry anthocyanins may act in the gut to modulate postprandial glycaemia. Specifically, berry extracts and anthocyanins inhibit the activities of pancreatic α-amylase and α-glucosidase in the gut lumen, and interact with intestinal sugar transporters, sodium-dependent glucose transporter 1 and GLUT2, to reduce the rate of glucose uptake into the circulation. Growing evidence from randomised controlled trials suggests that berry extracts, purées and nectars acutely inhibit postprandial glycaemia and insulinaemia following oral carbohydrate loads. Evidence to date presents a sound basis for exploring the potential for using berries/berry extracts as an additional stratagem to weight loss, adherence to dietary guidelines and increasing physical exercise, for the prevention of T2D.
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Achaintre D, Buleté A, Cren-Olivé C, Li L, Rinaldi S, Scalbert A. Differential Isotope Labeling of 38 Dietary Polyphenols and Their Quantification in Urine by Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry. Anal Chem 2016; 88:2637-44. [PMID: 26814424 DOI: 10.1021/acs.analchem.5b03609] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A large number of polyphenols are consumed with the diet and may contribute to the prevention of chronic diseases such as cardiovascular diseases, diabetes, cancers, and neurodegenerative diseases. More comprehensive methods are needed to measure exposure to this complex family of bioactive plant compounds in epidemiological studies. We report here a novel method enabling the simultaneous measurement in urine of 38 polyphenols representative of the main classes and subclasses found in the diet. This method is based on differential (12)C-/(13)C-isotope labeling of polyphenols through derivatization with isotopic dansyl chloride reagents and on the analysis of the labeled polyphenols by tandem mass spectrometry. This derivatization approach overcomes the need for costly labeled standards. Different conditions for enzyme hydrolysis of polyphenol glucuronides and sulfate esters, extraction, and dansylation of unconjugated aglycones were tested and optimized. Limits of quantification varied from 0.01 to 1.1 μM depending on polyphenols. Intrabatch coefficients of variation varied between 3.9% and 9.6%. Interbatch variations were lower than 15% for 31 compounds and lower than 29% for 6 additional polyphenols out of the 38 tested. Thirty seven polyphenols were validated and then analyzed in 475, 24 h urine samples from the European Prospective Investigation on Cancer and Nutrition (EPIC) study. Thirty four polyphenols could be detected and successfully estimated and showed large interindividual variations of concentrations (2-3 orders of magnitude depending on the compound), with median concentrations spanning from 0.01 to over 1000 μM for all 34 compounds.
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Affiliation(s)
- David Achaintre
- Biomarkers Group, Nutrition and Metabolism Section, International Agency for Research on Cancer (IARC) , 150 cours Albert Thomas, Lyon 69372 Cedex 08, France
| | - Audrey Buleté
- Université de Lyon, Institut des Sciences Analytiques, UMR 5280, CNRS, Université de Lyon 1, ENS-Lyon, 5 rue de la Doua, Villeurbanne 69100, France
| | - Cécile Cren-Olivé
- Université de Lyon, Institut des Sciences Analytiques, UMR 5280, CNRS, Université de Lyon 1, ENS-Lyon, 5 rue de la Doua, Villeurbanne 69100, France
| | - Liang Li
- Department of Chemistry, University of Alberta , Edmonton, Alberta, T6G 2G2, Canada
| | - Sabina Rinaldi
- Biomarkers Group, Nutrition and Metabolism Section, International Agency for Research on Cancer (IARC) , 150 cours Albert Thomas, Lyon 69372 Cedex 08, France
| | - Augustin Scalbert
- Biomarkers Group, Nutrition and Metabolism Section, International Agency for Research on Cancer (IARC) , 150 cours Albert Thomas, Lyon 69372 Cedex 08, France
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40
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Lila MA, Burton-Freeman B, Grace M, Kalt W. Unraveling Anthocyanin Bioavailability for Human Health. Annu Rev Food Sci Technol 2016; 7:375-93. [DOI: 10.1146/annurev-food-041715-033346] [Citation(s) in RCA: 147] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mary Ann Lila
- Plants for Human Health Institute, North Carolina Research Campus, North Carolina State University, Kannapolis, North Carolina 28081; ,
| | - Britt Burton-Freeman
- Institute for Food Safety and Health, Illinois Institute of Technology, Chicago, Illinois 60501;
| | - Mary Grace
- Plants for Human Health Institute, North Carolina Research Campus, North Carolina State University, Kannapolis, North Carolina 28081; ,
| | - Wilhelmina Kalt
- Agriculture and Agri-Food Canada, Atlantic Food and Horticulture Research Centre, Kentville, Nova Scotia, B4N 1J5 Canada;
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41
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42
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Classification of fruits based on anthocyanin types and relevance to their health effects. Nutrition 2015; 31:1301-6. [DOI: 10.1016/j.nut.2015.04.015] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 04/15/2015] [Accepted: 04/16/2015] [Indexed: 11/23/2022]
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43
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Giorgio C, Mena P, Del Rio D, Brighenti F, Barocelli E, Hassan-Mohamed I, Callegari D, Lodola A, Tognolini M. The ellagitannin colonic metabolite urolithin D selectively inhibits EphA2 phosphorylation in prostate cancer cells. Mol Nutr Food Res 2015; 59:2155-67. [DOI: 10.1002/mnfr.201500470] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 08/01/2015] [Accepted: 08/06/2015] [Indexed: 11/09/2022]
Affiliation(s)
| | - Pedro Mena
- The Laboratory of Phytochemicals in Physiology; Human Nutrition Unit; Department of Food Science; University of Parma; Via Volturno, Parma Italy
| | - Daniele Del Rio
- The Laboratory of Phytochemicals in Physiology; Human Nutrition Unit; Department of Food Science; University of Parma; Via Volturno, Parma Italy
| | - Furio Brighenti
- The Laboratory of Phytochemicals in Physiology; Human Nutrition Unit; Department of Food Science; University of Parma; Via Volturno, Parma Italy
| | | | | | | | - Alessio Lodola
- Department of Pharmacy; University of Parma; Parma Italy
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44
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Gao Y, Zhang R, Bai J, Xia X, Chen Y, Luo Z, Xu J, Gao Y, Liu Y, He J, Abliz Z. Targeted Data-Independent Acquisition and Mining Strategy for Trace Drug Metabolite Identification Using Liquid Chromatography Coupled with Tandem Mass Spectrometry. Anal Chem 2015; 87:7535-9. [DOI: 10.1021/acs.analchem.5b01205] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yan Gao
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Ruiping Zhang
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Jinfa Bai
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Xuejun Xia
- Beijing
Key Laboratory of Drug Delivery Technology and Novel Formulation,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Yanhua Chen
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Zhigang Luo
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Jing Xu
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Yang Gao
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Yuling Liu
- Beijing
Key Laboratory of Drug Delivery Technology and Novel Formulation,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Jiuming He
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
| | - Zeper Abliz
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, People’s Republic of China
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45
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Schär MY, Curtis PJ, Hazim S, Ostertag LM, Kay CD, Potter JF, Cassidy A. Orange juice-derived flavanone and phenolic metabolites do not acutely affect cardiovascular risk biomarkers: a randomized, placebo-controlled, crossover trial in men at moderate risk of cardiovascular disease. Am J Clin Nutr 2015; 101:931-8. [PMID: 25788001 PMCID: PMC4409690 DOI: 10.3945/ajcn.114.104364] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Accepted: 02/24/2015] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Epidemiologic data suggest inverse associations between citrus flavanone intake and cardiovascular disease (CVD) risk. However, insufficient randomized controlled trial data limit our understanding of the mechanisms by which flavanones and their metabolites potentially reduce cardiovascular risk factors. OBJECTIVE We examined the effects of orange juice or a dose-matched hesperidin supplement on plasma concentrations of established and novel flavanone metabolites and their effects on cardiovascular risk biomarkers in men at moderate CVD risk. DESIGN In an acute, randomized, placebo-controlled crossover trial, 16 fasted participants (aged 51-69 y) received orange juice or a hesperidin supplement (both providing 320 mg hesperidin) or control (all matched for sugar and vitamin C content). At baseline and 5 h postintake, endothelial function (primary outcome), blood pressure, arterial stiffness, cardiac autonomic function, platelet activation, and NADPH oxidase gene expression and plasma flavanone metabolites were assessed. Before each intervention, a diet low in flavonoids, nitrate/nitrite, alcohol, and caffeine was followed, and a standardized low-flavonoid evening meal was consumed. RESULTS Orange juice intake significantly elevated mean ± SEM plasma concentrations of 8 flavanone (1.75 ± 0.35 μmol/L, P < 0.0001) and 15 phenolic (13.27 ± 2.22 μmol/L, P < 0.0001) metabolites compared with control at 5 h postconsumption. Despite increased plasma flavanone and phenolic metabolite concentrations, cardiovascular risk biomarkers were unaltered. After hesperidin supplement intake, flavanone metabolites were not different from the control, suggesting altered absorption/metabolism compared with the orange juice matrix. CONCLUSIONS After single-dose flavanone intake within orange juice, circulating flavanone and phenolic metabolites collectively reached a concentration of 15.20 ± 2.15 μmol/L, but no effects were observed on cardiovascular risk biomarkers. Longer-duration randomized controlled trials are required to examine previous associations between higher flavanone intakes and improved cardiovascular health and to ascertain the relative importance of food matrix and flavanone-derived phenolic metabolites. This trial was registered at clinicaltrials.gov as NCT01530893.
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Affiliation(s)
- Manuel Y Schär
- From the Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Peter J Curtis
- From the Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Sara Hazim
- From the Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Luisa M Ostertag
- From the Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Colin D Kay
- From the Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - John F Potter
- From the Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Aedín Cassidy
- From the Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
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46
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Ge X, Timrov I, Binnie S, Biancardi A, Calzolari A, Baroni S. Accurate and Inexpensive Prediction of the Color Optical Properties of Anthocyanins in Solution. J Phys Chem A 2015; 119:3816-22. [DOI: 10.1021/acs.jpca.5b01272] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiaochuan Ge
- SISSA − Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea, 265, I-34136 Trieste, Italy
| | - Iurii Timrov
- SISSA − Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea, 265, I-34136 Trieste, Italy
| | - Simon Binnie
- SISSA − Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea, 265, I-34136 Trieste, Italy
| | - Alessandro Biancardi
- SISSA − Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea, 265, I-34136 Trieste, Italy
| | - Arrigo Calzolari
- SISSA − Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea, 265, I-34136 Trieste, Italy
- CNR-NANO, Istituto Nanoscienze, Centro S3 via Campi 213A, I-41125 Modena, Italy
| | - Stefano Baroni
- SISSA − Scuola Internazionale Superiore di Studi Avanzati, Via Bonomea, 265, I-34136 Trieste, Italy
- THEOS
− Theory and Simulation of Materials, Ecole Polytechnique Fédérale de Lausanne, Station 12, 1015 Lausanne, Switzerland
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47
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Dueñas M, Cueva C, Muñoz-González I, Jiménez-Girón A, Sánchez-Patán F, Santos-Buelga C, Moreno-Arribas MV, Bartolomé B. Studies on Modulation of Gut Microbiota by Wine Polyphenols: From Isolated Cultures to Omic Approaches. Antioxidants (Basel) 2015; 4:1-21. [PMID: 26785335 PMCID: PMC4665564 DOI: 10.3390/antiox4010001] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 12/17/2014] [Indexed: 12/24/2022] Open
Abstract
Moderate consumption of wine seems to produce positive health effects derived from the occurrence of bioactive polyphenols. The gut microbiota is involved in the metabolism of phenolic compounds, and these compounds and/or their metabolites may modulate gut microbiota through the stimulation of the growth of beneficial bacteria and the inhibition of pathogenic bacteria. The characterization of bacterial metabolites derived from polyphenols is essential in order to understand their effects, including microbial modulation, and therefore to associate dietary intake with particular health effects. This review aims to summarize the current information about the two-way "wine polyphenols-gut microbiota" interaction, from a perspective based on the experimental and analytical designs used. The availability of advanced methods for monitoring bacterial communities, along with the combination of in vitro and in vivo models, could help to assess the metabolism of polyphenols in the human body and to monitor total bacterial communities, and, therefore, to elucidate the implications of diet on the modulation of microbiota for delivering health benefits.
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Affiliation(s)
- Montserrat Dueñas
- Grupo de Investigación en Polifenoles, Unidad de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, Salamanca 37007, Spain.
| | - Carolina Cueva
- Grupo de Biotecnología Enológica Aplicada, Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, C/Nicolás Cabrera 9, Campus de Cantoblanco, Madrid 28049, Spain.
| | - Irene Muñoz-González
- Grupo de Biotecnología Enológica Aplicada, Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, C/Nicolás Cabrera 9, Campus de Cantoblanco, Madrid 28049, Spain.
| | - Ana Jiménez-Girón
- Grupo de Biotecnología Enológica Aplicada, Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, C/Nicolás Cabrera 9, Campus de Cantoblanco, Madrid 28049, Spain.
| | - Fernando Sánchez-Patán
- Grupo de Biotecnología Enológica Aplicada, Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, C/Nicolás Cabrera 9, Campus de Cantoblanco, Madrid 28049, Spain.
| | - Celestino Santos-Buelga
- Grupo de Investigación en Polifenoles, Unidad de Nutrición y Bromatología, Facultad de Farmacia, Universidad de Salamanca, Campus Miguel de Unamuno, Salamanca 37007, Spain.
| | - M Victoria Moreno-Arribas
- Grupo de Biotecnología Enológica Aplicada, Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, C/Nicolás Cabrera 9, Campus de Cantoblanco, Madrid 28049, Spain.
| | - Begoña Bartolomé
- Grupo de Biotecnología Enológica Aplicada, Instituto de Investigación en Ciencias de la Alimentación (CIAL), CSIC-UAM, C/Nicolás Cabrera 9, Campus de Cantoblanco, Madrid 28049, Spain.
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