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Zhang M, Hong M, Wang Z, Jiao X, Wu C. Temperature stress improved exopolysaccharide yield from Tetragenococcus halophilus: Structural differences and underlying mechanisms revealed by transcriptomic analysis. BIORESOURCE TECHNOLOGY 2023; 390:129863. [PMID: 37839647 DOI: 10.1016/j.biortech.2023.129863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/17/2023]
Abstract
This study aimed to enhance exopolysaccharide production by Tetragenococcus halophilus, and results showed that low temperature (20 °C) significantly improved exopolysaccharide production. Based on the analysis of batch fermentation kinetic parameters, a temperature-shift strategy was proposed, and the exopolysaccharide yield was increased by 28 %. Analysis of the structure of exopolysaccharide suggested that low temperature changed the molecular weight and monosaccharide composition. Transcriptomic analysis was performed to reveal mechanisms of low temperature improving exopolysaccharide production. Results suggested that T. halophilus regulated utilization of carbon sources through phosphotransferase system and increased the expression of key genes in exopolysaccharide biosynthesis to improve exopolysaccharide production. Meanwhile, metabolic pathways involved in glycolysis, amino acids synthesis, two-component system and ATP-binding cassette transporters were affected at low temperature. Results presented in this paper provided a theoretical basis for biosynthetic pathway of exopolysaccharide in T. halophilus and aided to strengthen its production and application in many areas.
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Affiliation(s)
- Min Zhang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China; Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China
| | - Mengting Hong
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Zihao Wang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China; Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China
| | - Xue Jiao
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China; Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China
| | - Chongde Wu
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China; Key Laboratory of Leather Chemistry and Engineering, Ministry of Education, Sichuan University, Chengdu 610065, China.
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2
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Elmansy EA, Elkady EM, Asker MS, Abdallah NA, Khalil BE, Amer SK. Improved production of lactiplantibacillus plantarum RO30 exopolysaccharide (REPS) by optimization of process parameters through statistical experimental designs. BMC Microbiol 2023; 23:361. [PMID: 37993835 PMCID: PMC10664612 DOI: 10.1186/s12866-023-03117-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 11/08/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND In investigating of (exopolysaccharide) EPS from unconventional sources, lactic acid bacteria have a vital role due to their generally recognized as safe (GRAS) status. EPSs have diverse applications such as drug delivery, antimicrobial activity, surgical implants, and many more in many sectors. Despite being important, the main hindrance to the commercial application of these significant biopolymers is low productivity. Therefore, this study primarily focuses on optimizing physio-chemical conditions to maximize the previously produced EPS from probiotic Lactiplantibacillus plantarum RO30 (L. plantarum RO30) using one factor at a time (OFAT) and method Response Surface Methodology (RSM). RESULTS The EPS obtained from L. plantarum RO30 named REPS. The medium formulation for REPS production using the OFAT method revealed that sucrose (20 g/L, beef extract (25 g/L), and ammonium sulfate at 4 g/L concentration were the optimum carbon, organic and inorganic nitrogen sources, and REPS yield was increased up to 9.11 ± 0.51 g/L. RSM experiments revealed that, a greatly significant quadratic polynomial attained from the Central Composite Design (CCD) model was fruitful for specifying the most favorable cultural conditions that have significant consequences on REPS yield. The maximal amount of REPS (10.32 g/L) was formed by: sucrose (40 g/L), beef extract (25 g/L), pH (5.5), incubation temperature (30 °C), and incubation period (72 h). A high closeness was obtained between the predicted and experimental values and it displayed the efficiency of the RSM. CONCLUSION This study was conducted to reinforce REPS production in the probiotic LAB L. plantarum RO30 by utilizing various experimental parameters. The maximum REPS yield of 10.32 g/L was attained under the circumstances optimized in the study.
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Affiliation(s)
- Eman Ahmed Elmansy
- Microbial Biotechnology Department, Institute of Biotechnology Research, National Research Centre, El-Tahreer Street, Dokki, Cairo, Egypt.
| | - Ebtsam M Elkady
- Microbial Biotechnology Department, Institute of Biotechnology Research, National Research Centre, El-Tahreer Street, Dokki, Cairo, Egypt
| | - Mohsen S Asker
- Microbial Biotechnology Department, Institute of Biotechnology Research, National Research Centre, El-Tahreer Street, Dokki, Cairo, Egypt
| | - Nagwa A Abdallah
- Microbiology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Bigad E Khalil
- Microbial Genetics Department, Institute Of Biotechnology Research, National Research Centre, El-Tahreer Street, Dokki, Cairo, Egypt
| | - Shaimaa K Amer
- Microbiology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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Zanotti A, Baldino L, Reverchon E. Production of Exopolysaccharide-Based Porous Structures for Biomedical Applications: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2920. [PMID: 37999274 PMCID: PMC10675614 DOI: 10.3390/nano13222920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/25/2023]
Abstract
Exopolysaccharides, obtained from microorganisms as fermentation products, are interesting candidates for biomedical applications as scaffolds: they are biocompatible, nontoxic, antimicrobial, antitumor materials. To produce exopolysaccharide-based scaffolds, sol-gel technology could be used, which ends with the removal of the liquid phase from the polymeric network (i.e., the drying step). The aim of this review is to point out the most relevant strengths and weaknesses of the different drying techniques, focusing attention on the production of exopolysaccharide-based porous structures. Among these drying processes, supercritical carbon dioxide-assisted drying is the most promising strategy to obtain dried gels to use in the biomedical field: it produces highly porous and lightweight devices with outstanding surface areas and regular microstructure and nanostructure (i.e., aerogels). As a result of the analysis carried out in the present work, it emerged that supercritical technologies should be further explored and applied to the production of exopolysaccharide-based nanostructured scaffolds. Moving research towards this direction, exopolysaccharide utilization could be intensified and extended to the production of high added-value devices.
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Affiliation(s)
| | - Lucia Baldino
- Departement of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, Italy; (A.Z.); (E.R.)
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Isaac P, Bohl LP, Romero CM, Rodríguez Berdini L, Breser ML, De Lillo MF, Orellano MS, Calvinho LF, Porporatto C. Teat-apex colonizer Bacillus from healthy cows antagonizes mastitis-causing Staphylococcus aureus biofilms. Res Vet Sci 2023; 163:104968. [PMID: 37573647 DOI: 10.1016/j.rvsc.2023.104968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 08/15/2023]
Abstract
Staphylococcus aureus is the most frequent causal agent of bovine mastitis, which is largely responsible for milk production losses worldwide. The pathogen's ability to form stable biofilms facilitates intramammary colonization and may explain disease persistence. This virulence factor is also highly influential in the development of chronic intramammary infections refractory to antimicrobial therapy, which is why novel therapies that can tackle multiple targets are necessary. Since udder microbiota have important implications in mastitis pathogenesis, they offer opportunities to develop alternative prophylactic and therapeutic strategies. Here, we observed that a Bacillus strain from the teat apex of lactating cows was associated to reduce colonization by S. aureus. The strain, identified as Bacillus sp. H21, was able to antagonize in-formation or mature S. aureus biofilms associated to intramammary infections without affecting cell viability. When exploring the metabolite responsible for this activity, we found that a widespread class of Bacillus exopolysaccharide, levan, eliminated the pathogenic biofilm under evaluated conditions. Moreover, levan had no cytotoxic effects on bovine cellular lines at the biologically active concentration range, which demonstrates its potential for pathogen control. Our results indicate that commensal Bacillus may counteract S. aureus-induced mastitis, and could therefore be used in novel biotechnological strategies to prevent and/or treat this disease.
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Affiliation(s)
- Paula Isaac
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB), CONICET-UNVM, Villa María, Córdoba, Argentina; Instituto Académico Pedagógico de Ciencias Básicas y Aplicadas de la Universidad Nacional de Villa María (IAPCByA-UNVM), Villa María, Córdoba, Argentina.
| | - Luciana Paola Bohl
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB), CONICET-UNVM, Villa María, Córdoba, Argentina; Instituto Académico Pedagógico de Ciencias Básicas y Aplicadas de la Universidad Nacional de Villa María (IAPCByA-UNVM), Villa María, Córdoba, Argentina
| | - Cintia Mariana Romero
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), San Miguel de Tucumán, Tucumán, Argentina; Facultad de Bioquímica y Farmacia, Universidad Nacional de Tucumán, San Miguel de Tucumán, Tucumán, Argentina
| | - Lucía Rodríguez Berdini
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB), CONICET-UNVM, Villa María, Córdoba, Argentina
| | - María Laura Breser
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB), CONICET-UNVM, Villa María, Córdoba, Argentina; Instituto Académico Pedagógico de Ciencias Básicas y Aplicadas de la Universidad Nacional de Villa María (IAPCByA-UNVM), Villa María, Córdoba, Argentina
| | - María Florencia De Lillo
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB), CONICET-UNVM, Villa María, Córdoba, Argentina
| | - María Soledad Orellano
- Facultad de Química, Universidad del País Vasco (UPV-EHU), Donostia, San Sebastián, Gipuzkoa, Spain; POLYMAT, Donostia, San Sebastián, Gipuzkoa, Spain
| | - Luis Fernando Calvinho
- Departamento de Clínicas, Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral (UNL), Esperanza, Santa Fe, Argentina
| | - Carina Porporatto
- Instituto Multidisciplinario de Investigación y Transferencia Agroalimentaria y Biotecnológica (IMITAB), CONICET-UNVM, Villa María, Córdoba, Argentina; Instituto Académico Pedagógico de Ciencias Básicas y Aplicadas de la Universidad Nacional de Villa María (IAPCByA-UNVM), Villa María, Córdoba, Argentina.
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Gomes AF, Viana ML, Vaz-Tostes MDG, Costa NMB. Yacon (Smallanthus sonchifolius) and kefir improved intestinal and bone health but without symbiotic benefits in rats. Nutr Res 2023; 118:85-93. [PMID: 37603903 DOI: 10.1016/j.nutres.2023.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 07/28/2023] [Accepted: 07/28/2023] [Indexed: 08/23/2023]
Abstract
Kefir is a natural source of probiotics, and yacon (Smallanthus sonchifolius) is a tuberous root rich in fructooligosaccharides, with prebiotic properties. We hypothesized that kefir and yacon can improve bone and intestinal health and that their synbiotic effects will enhance these benefits. The properties of yacon and kefir and their association were evaluated in the intestinal and bone health in rats. Forty Wistar male rats were divided into 4 groups (n = 10): control (C), kefir (K), yacon (Y), and yacon + kefir (YK) and received an AIN-93 M diet containing 50% of the daily recommendation of calcium for 42 days. Group K received 1 mL/day of kefir containing 10⁸ CFU/mL; group Y received yacon flour (5% fructooligosaccharides); and the YK group received the same treatment as the Y and K groups. Urine and feces were collected to determine the calcium balance. Serum biomarkers of bone formation and resorption, osteocalcin, N telopeptides of collagen type I and C-telopeptide of collagen type I, intraluminal pH, intestinal permeability, and secretory immunoglobulin A were evaluated. Yacon reduced intraluminal pH alone or in association with kefir (groups Y and YK). Yacon also improved intestinal permeability (lowered lactulose and mannitol excretion) and increased calcium balance and osteocalcin, a biomarker of bone formation. In turn, K improved immunity by increasing secretory immunoglobulin A secretion and reducing bone resorption biomarkers (C-telopeptide of collagen type I and N telopeptides of collagen type I). Thus, yacon and kefir had beneficial effects on intestinal and bone health; however, the association between them did not demonstrate a synbiotic effect.
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Affiliation(s)
- Anamares Ferreira Gomes
- Food Science and Technology Program, Federal University of Espirito Santo, Alegre, ES, Brazil
| | - Mirelle Lomar Viana
- Department of Pharmacy and Nutrition, Federal University of Espirito Santo, Alegre, ES, Brazil
| | | | - Neuza Maria Brunoro Costa
- Food Science and Technology Program, Federal University of Espirito Santo, Alegre, ES, Brazil; Department of Pharmacy and Nutrition, Federal University of Espirito Santo, Alegre, ES, Brazil.
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Angelov A, Georgieva A, Petkova M, Bartkiene E, Rocha JM, Ognyanov M, Gotcheva V. On the Molecular Selection of Exopolysaccharide-Producing Lactic Acid Bacteria from Indigenous Fermented Plant-Based Foods and Further Fine Chemical Characterization. Foods 2023; 12:3346. [PMID: 37761055 PMCID: PMC10527965 DOI: 10.3390/foods12183346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/01/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Exopolysaccharides (EPSs) produced by lactic acid bacteria present a particular interest for the food industry since they can be incorporated in foods via in situ production by selected starter cultures or applied as natural additives to improve the quality of various food products. In the present study, 43 strains were isolated from different plant-based fermented foods and identified by molecular methods. The species found were distinctively specific according to the food source. Only six Lactiplantibacillus plantarum strains, all isolated from sauerkraut, showed the ability to produce exopolysaccharide (EPS). The utilization of glucose, fructose and sucrose was explored with regard to EPS and biomass accumulation by the tested strains. Sucrose was clearly the best carbon source for EPS production by most of the strains, yielding up to 211.53 mg/L by strain Lactiplantibacillus plantarum ZE2, while biomass accumulation reached the highest levels in the glucose-based culture medium. Most strains produced similar levels of EPS with glucose and fructose, while fructose was utilized more poorly for biomass production, yielding about 50% of biomass compared to glucose for most strains. Composition analysis of the EPSs produced by strain Lactiplantibacillus plantarum ZE2 from glucose (EPS-1) and fructose (EPS-2) revealed that glucose (80-83 mol%) and protein (41% w/w) predominated in both analyzed EPSs. However, the yield of EPS-1 was twice higher than that of EPS-2, and differences in the levels of all detected sugars were found, which shows that even for the same strain, EPS yield and composition vary depending on the carbon source. These results may be the basis for the development of tailored EPS-producing starter cultures for food fermentations, as well as technologies for the production of EPS for various applications.
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Affiliation(s)
- Angel Angelov
- Department of Biotechnology, University of Food Technologies, 26 Maritza Blvd., 4000 Plovdiv, Bulgaria;
| | - Aneliya Georgieva
- Institute of Food Preservation and Quality, 154 Vasil Aprilov Blvd., 4000 Plovdiv, Bulgaria;
| | - Mariana Petkova
- Department of Microbiology and Ecological Biotechnologies, Agricultural University, 12 Mendeleev Blvd., 4000 Plovdiv, Bulgaria;
| | - Elena Bartkiene
- Department of Food Safety and Quality, Faculty of Veterinary, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania;
- Faculty of Animal Sciences, Institute of Animal Rearing Technologies, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania
| | - João Miguel Rocha
- Universidade Católica Portuguesa, CBQF—Centro de Biotecnologia e Química Fina—Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal;
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | - Manol Ognyanov
- Laboratory of Biologically Active Substances, Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 139 Ruski Blvd., 4000 Plovdiv, Bulgaria;
| | - Velitchka Gotcheva
- Department of Biotechnology, University of Food Technologies, 26 Maritza Blvd., 4000 Plovdiv, Bulgaria;
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Yao D, Ranadheera CS, Shen C, Wei W, Cheong LZ. Milk fat globule membrane: composition, production and its potential as encapsulant for bioactives and probiotics. Crit Rev Food Sci Nutr 2023:1-16. [PMID: 37632418 DOI: 10.1080/10408398.2023.2249992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/28/2023]
Abstract
Milk fat globule membrane (MFGM) is a complex trilayer structure present in mammalian milk and is mainly composed of phospholipids and proteins (>90%). Many studies revealed MFGM has positive effects on the immune system, brain development, and cognitive function of infants. Probiotics are live microorganisms that have been found to improve mental health and insulin sensitivity, regulate immunity, and prevent allergies. Probiotics are unstable and prone to degradation by environmental, processing, and storage conditions. In this review, the processes used for encapsulation of probiotics particularly the potential of MFGM and its constituents as encapsulating materials for probiotics are described. This study analyzes the importance of MFGM in encapsulating bioactive substances and emphasizes the interaction with probiotics and the gut as well as its resistance to adverse environmental factors in the digestive system when used as a probiotic embedding material. MFGM can enhance the gastric acid resistance and bile resistance of probiotics, mainly manifested in the survival rate of probiotics. Due to the role of digestion, MFGM-coated probiotics can be released in the intestine, and due to the biocompatibility of the membrane, it can promote the binding of probiotics to intestinal epithelial cells, and promote the colonization of some probiotics in the intestine.
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Affiliation(s)
- Dan Yao
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Science, Ningbo University, Ningbo, China
| | - Chaminda Senaka Ranadheera
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, University of Melbourne, Melbourne, Victoria, Australia
| | - Cai Shen
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, University of Melbourne, Melbourne, Victoria, Australia
- China Beacons Institute, University of Nottingham Ningbo China, Ningbo, China
| | - Wei Wei
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Ling-Zhi Cheong
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, University of Melbourne, Melbourne, Victoria, Australia
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8
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Kiepś J, Juzwa W, Olejnik A, Sip A, Tomaszewska-Gras J, Dembczyński R. The Effects of Cellular Membrane Damage on the Long-Term Storage and Adhesion of Probiotic Bacteria in Caco-2 Cell Line. Nutrients 2023; 15:3484. [PMID: 37571422 PMCID: PMC10421378 DOI: 10.3390/nu15153484] [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: 07/13/2023] [Revised: 07/31/2023] [Accepted: 08/05/2023] [Indexed: 08/13/2023] Open
Abstract
Adhesion is one of the main factors responsible for the probiotic properties of bacteria in the human gut. Membrane proteins affected by cellular damage are one of the key aspects determining adhesion. Fluid-bed-dried preparations containing probiotic bacteria were analyzed in terms of their stability (temperature of glass transition) and shelf life in different conditions (modified atmosphere, refrigeration). Imaging flow cytometry was utilized to determine four subpopulations of cells based on their physiological and morphological properties. Lastly, adhesion was measured in bacteria cultured in optimal conditions and treated with heat shock. The results show that the subpopulations with no or low levels of cell membrane damage exhibit the ability to adhere to Caco-2 cells. The temperature of protein denaturation in bacteria was recorded as being between 65 °C and 70 °C. The highest glass transition temperature (Tg) value for hydroxypropyl methylcellulose (used as a coating substance) was measured at 152.6 °C. Drying and coating can be utilized as a sufficient treatment, allowing a long shelf-life (up to 12 months). It is, however, worth noting that technological processing, especially with high temperatures, may decrease the probiotic value of the preparation by damaging the bacterial cells.
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Affiliation(s)
- Jakub Kiepś
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Wojciech Juzwa
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Anna Olejnik
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Anna Sip
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
| | - Jolanta Tomaszewska-Gras
- Department of Food Safety and Quality Management, Poznan University of Life Sciences, 60-624 Poznan, Poland;
| | - Radosław Dembczyński
- Department of Biotechnology and Food Microbiology, Poznan University of Life Sciences, 60-627 Poznan, Poland; (W.J.); (A.O.); (A.S.)
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Zou X, Pan L, Xu M, Wang X, Wang Q, Han Y. Probiotic potential of Lactobacillus sakei L-7 in regulating gut microbiota and metabolism. Microbiol Res 2023; 274:127438. [PMID: 37399653 DOI: 10.1016/j.micres.2023.127438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 06/05/2023] [Accepted: 06/11/2023] [Indexed: 07/05/2023]
Abstract
A growing body of research suggests that gut microbiota is inextricably linked to host health and disease,so we are committed to finding more probiotic resources that are beneficial to human health. This study evaluated the probiotic properties of Lactobacillus sakei L-7 isolated from home-made sausages. The basic probiotic properties of L. sakei L-7 were evaluated through in vitro tests. The strain showed 89% viability after 7 h of digestion in simulating gastric and intestinal fluid. The hydrophobicity, self-aggregation and co-aggregation of L. sakei L-7 showed it had a strong adhesion ability. C57BL/6 J mice were fed L. sakei L-7 for 4 weeks. 16 S rRNA gene analysis indicated that intake of L. sakei L-7 increased the richness of gut microbiota and abundance of beneficial bacteria Akkermansia, Allobaculum and Parabacteroides. Metabonomics analysis revealed that beneficial metabolite gamma-aminobutyric acid and docosahexaenoic acid increased significantly. While the level of metabolite sphingosine and arachidonic acid significantly decreased. In addition, serum levels of inflammatory cytokines interleukin (IL)- 6 and tumor necrosis factor (TNF)-α were significantly decreased. The results suggested that L. sakei L-7 may promote gut health and reduce the occurrence of inflammatory response, it has the potential to become a probiotic.
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Affiliation(s)
- Xuan Zou
- School of Chemical Engineering and Technology, Tianjin university, Tianjin 300350, the People's Republic of China
| | - Lei Pan
- School of Chemical Engineering and Technology, Tianjin university, Tianjin 300350, the People's Republic of China
| | - Min Xu
- School of Chemical Engineering and Technology, Tianjin university, Tianjin 300350, the People's Republic of China
| | - Xiaoqing Wang
- Graduate School, Tianjin Medical University, Tianjin 300070, the People's Republic of China
| | - Qi Wang
- School of Chemical Engineering and Technology, Tianjin university, Tianjin 300350, the People's Republic of China
| | - Ye Han
- School of Chemical Engineering and Technology, Tianjin university, Tianjin 300350, the People's Republic of China.
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10
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Wang J, Zhang J, Guo H, Cheng Q, Abbas Z, Tong Y, Yang T, Zhou Y, Zhang H, Wei X, Si D, Zhang R. Optimization of Exopolysaccharide Produced by Lactobacillus plantarum R301 and Its Antioxidant and Anti-Inflammatory Activities. Foods 2023; 12:2481. [PMID: 37444218 DOI: 10.3390/foods12132481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
In this study, the yield of exopolysaccharide (EPS) from Lactobacillus plantarum R301 was optimized using a single-factor experiment and response surface methodology (RSM). After optimization, the EPS yield was increased with a fold-change of 0.85. The significant factors affecting EPS production, as determined through a Plackett-Burman design and Central Composite Design (CCD), were MgSO4 concentration, initial pH, and inoculation size. The maximum yield was 97.85 mg/mL under the condition of 0.01% MgSO4, an initial pH 7.4, and 6.4% of the inoculation size. In addition, the EPS exhibited strong antioxidant activity, as demonstrated by its ability to scavenge DPPH, ABTS, and hydroxyl radicals. The scavenging rate was up to 100% at concentrations of 4 mg/mL, 1 mg/mL, and 2 mg/mL, respectively. Moreover, the EPS also exhibited reducing power, which was about 30% that of ascorbic acid when both tended to be stable with the increased concentration. These results suggest that L. plantarum R301 EPS possesses different antioxidant mechanisms and warrants further investigation. In addition to its antioxidant activity, the EPS also demonstrated good anti-inflammatory activity by inhibiting the inflammation induced by lipopolysaccharide (LPS) in RAW 264.7 cells, which could decrease nitric oxide (NO) production and expression of the proinflammatory cytokine Il-6. These findings suggest that L. plantarum R301 EPS could be used as a potential multifunctional food additive in the food industry.
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Affiliation(s)
- Junyong Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Jing Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Henan Guo
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Qiang Cheng
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Zaheer Abbas
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Yucui Tong
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Tiantian Yang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Yichen Zhou
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Haosen Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Xubiao Wei
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Dayong Si
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Rijun Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
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11
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Prasad S, Purohit SR. Microbial exopolysaccharide: Sources, stress conditions, properties and application in food and environment: A comprehensive review. Int J Biol Macromol 2023:124925. [PMID: 37236568 DOI: 10.1016/j.ijbiomac.2023.124925] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/24/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023]
Abstract
Microbial glucan or exopolysaccharides (EPS) have caught an eye of researchers from decades. The unique characteristics of EPS make it suitable for various food and environmental applications. This review overviews the different types of exopolysaccharides, sources, stress conditions, properties, characterization techniques and applications in food and environment. The yield and production condition of EPS is a major factor affecting the cost and its applications. Stress conditions are very important as it stimulates the microorganism for enhanced EPS production and affects its properties. As far as application is concerned specific properties of EPS such as, hydrophilicity, less oil uptake behavior, film forming ability, adsorption potential have applications in both food and environment sector. Novel and improved method of production, feed stock and right choice of microorganisms with stress conditions are critical for desired functionality and yield of the EPS.
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Affiliation(s)
- Sanstuti Prasad
- Food and Bioprocessing Lab, Department of Food Engineering and Technology, Tezpur University, Assam, India
| | - Soumya Ranjan Purohit
- Food and Bioprocessing Lab, Department of Food Engineering and Technology, Tezpur University, Assam, India.
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12
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Puertas AI, Llamas-Arriba MG, Etxebeste O, Berregi I, Pardo MÁ, Prieto A, López P, Dueñas MT. Characterization of the heteropolysaccharides produced by Liquorilactobacillus sicerae CUPV261 and Secundilactobacillus collinoides CUPV237 isolated from cider. Int J Food Microbiol 2023; 397:110199. [PMID: 37086527 DOI: 10.1016/j.ijfoodmicro.2023.110199] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/31/2023] [Accepted: 04/01/2023] [Indexed: 04/24/2023]
Abstract
Some lactic acid bacteria (LAB) strains isolated from alcoholic beverages are able to produce exopolysaccharides (EPS). The present work focuses on the physico-chemical characterization of the heteropolysaccharides (HePS) produced by Liquorilactobacillus sicerae CUPV261T (formerly known as Lactobacillus sicerae) and Secundilactobacillus collinoides CUPV237 (formerly known as Lactobacillus collinoides) strains isolated from cider. Genome sequencing and assembly enabled the identification of at least four putative HePS gene clusters in each strain, which correlated with the ability of both strains to secrete EPS. The crude EPS preparation from CUPV261T contained glucose, galactose and rhamnose, and that of CUPV237 was composed of glucose, galactose and N-acetylglucosamine. Both EPS were mixtures of HePS of different composition, with two major soluble components of average molecular weights (Mw) in the range of 106 and 104 g.mol-1. These HePS were resistant to gastric stress conditions in an in vitro model, and they significantly reduced zebrafish larvae mortality in an in vivo model of inflammatory bowel disease.
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Affiliation(s)
- Ana Isabel Puertas
- Faculty of Chemistry, University of the Basque Country, UPV/EHU, Manuel de Lardizabal 3, 20018, San Sebastián, Spain
| | - Mª Goretti Llamas-Arriba
- Faculty of Chemistry, University of the Basque Country, UPV/EHU, Manuel de Lardizabal 3, 20018, San Sebastián, Spain
| | - Oier Etxebeste
- Faculty of Chemistry, University of the Basque Country, UPV/EHU, Manuel de Lardizabal 3, 20018, San Sebastián, Spain
| | - Iñaki Berregi
- Faculty of Chemistry, University of the Basque Country, UPV/EHU, Manuel de Lardizabal 3, 20018, San Sebastián, Spain
| | - Miguel Ángel Pardo
- Food Research Unit, Food and Marine Research Technology Centre AZTI, Parque Tecnológico de Bizkaia, Astondo Bidea, Building 609, 48160 Derio, Bizkaia, Spain
| | - Alicia Prieto
- Margarita Salas Biological Research Centre, CIB-CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Paloma López
- Margarita Salas Biological Research Centre, CIB-CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - Mª Teresa Dueñas
- Faculty of Chemistry, University of the Basque Country, UPV/EHU, Manuel de Lardizabal 3, 20018, San Sebastián, Spain.
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13
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Bengoa AA, Dueñas MT, Prieto A, Garrote GL, Abraham AG. Exopolysaccharide-producing Lacticaseibacillus paracasei strains isolated from kefir as starter for functional dairy products. Front Microbiol 2023; 14:1110177. [PMID: 36910219 PMCID: PMC9998950 DOI: 10.3389/fmicb.2023.1110177] [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] [Received: 11/28/2022] [Accepted: 01/31/2023] [Indexed: 03/14/2023] Open
Abstract
Exopolysaccharides (EPS) produced by lactic acid bacteria are molecules of great interest for the dairy food industry. Lacticaseibacillus paracasei CIDCA 8339, CIDCA 83123, and CIDCA 83124 are potentially probiotic strains isolated from kefir grains whose EPS-production on MRS broth is dependent on incubation temperature. The aim of the present work is to evaluate the effect of fermentation temperature on the characteristics of EPS produced in milk by L. paracasei strains and the consequent impact on the rheological properties of the fermented products. Additionally, the protective effect of these EPS against Salmonella infection was evaluated in vitro. Acid gels with each strain were obtained by milk fermentation at 20°C, 30°C, and 37°C evidencing for all the strains a reduction in growth and acidification rate at lower temperature. Lacticaseibacillus paracasei CIDCA 83123 showed low fermentation rate at all temperatures requiring between 3 and 8 days to obtain acids gels, whereas CIDCA 8339 and 83124 needed between 24 and 48 h even when the temperature was 20°C. Fermentation temperature led to changes in crude EPS characteristics of the three strains, observing an increase in the relative amount of the high molecular weight fraction when the fermentation temperature diminished. Additionally, EPS83124 and EPS83123 presented modifications in monosaccharide composition, with a reduction of rhamnose and an increase of amino-sugars as temperature rise. These changes in the structure of EPS83124 resulted in an increase of the apparent viscosity of milks fermented at 20°C (223 mPa.s) and 30°C (217 mPa.s) with respect to acid gels obtained at 37°C (167 mPa.s). In order to deepen the knowledge on EPS characteristics, monosaccharide composition of low and high molecular weight EPS fractions were evaluated. Finally, it was evidenced that the preincubation of intestinal epithelial cells Caco-2/TC-7 with EPS8339 and EPS83124 partially inhibit the association and invasion of Salmonella. In light of these results, it can be concluded that the selection of the EPS-producing strain along with the appropriate fermentation conditions could be an interesting strategy to improve the technological properties of these L. paracasei fermented milks with potential protective effects against intestinal pathogens.
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Affiliation(s)
- Ana Agustina Bengoa
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA) (CONICET-UNLP-CIC), Buenos Aires, Argentina
| | - María Teresa Dueñas
- Dpto. de Química Aplicada, Facultad de Química, Universidad del País Vasco (UPV/EHU), San Sebastián, Spain
| | - Alicia Prieto
- Grupo de Sistemas Microbianos e Ingeniería de Proteínas, Dpto. de Biotecnología Microbiana y de Plantas, Centro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - Graciela L Garrote
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA) (CONICET-UNLP-CIC), Buenos Aires, Argentina
| | - Analía G Abraham
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA) (CONICET-UNLP-CIC), Buenos Aires, Argentina.,Area Bioquímica y Control de Alimentos (Dto de Ciencias Biológicas - Facultad de Ciencias Exactas, UNLP), Buenos Aires, Argentina
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Cydzik-Kwiatkowska A, Gusiatin MZ, Zielińska M, Wojnowska-Baryła I, Kulikowska D, Bernat K. Alginate-like polymers from full-scale aerobic granular sludge: content, recovery, characterization, and application for cadmium adsorption. Sci Rep 2022; 12:22260. [PMID: 36564508 PMCID: PMC9789099 DOI: 10.1038/s41598-022-26743-5] [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] [Received: 09/21/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Aerobic granular sludge (AGS) is a proven resource for the recovery of biopolymers like alginate-like polymers (ALP). This is the first report on the dynamics of ALP produced by AGS (ALP-AGS) in a full-scale wastewater treatment plant (WWTP), optimization of ALP recovery from AGS, and adsorption of cadmium (Cd2+) by ALP. Recovery of ALP was highest when using 120 mL of 0.2 M Na2CO3 at 70 °C for 45 min. Seasonal (1.5 years, over 3100 cycles) and intra-cycle changes in ALP-AGS in the WWTP were monitored. The ALP content in AGS increased in the transition period between winter and spring, reaching over 150 mg/g MLSS. In the batch reactor cycle, the ALP-AGS level peaked 2 h after the start of aeration (mean peak level: 120 mg/g MLSS), then decreased about two-fold by the end of the cycle. The ALP-AGS had a small surface area and a lamellar structure with crystalline outgrowths. The optimal conditions of Cd2+ adsorption with ALP were a dosage of 7.9 g d.m./L, a pH of 4-8, and an equilibrium time of 60 min. Carboxyl and hydroxyl groups were the key functional groups involved in Cd2+ adsorption. According to the Sips model, the maximum Cd2+ adsorption capacity of ALP-AGS was 29.5 mg/g d.m., which is similar to that of commercial alginate. AGS is a richer source of ALP than activated sludge, which ensures the cost-effectiveness of ALP recovery and increases the sustainability of wastewater treatment. Information on the chemical properties and yields of ALP from full-scale WWTPs is important for downstream applications with the recovered ALP.
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Affiliation(s)
- Agnieszka Cydzik-Kwiatkowska
- grid.412607.60000 0001 2149 6795Department of Environmental Biotechnology, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Słoneczna St. 45G, 10-709 Olsztyn, Poland
| | - Mariusz Z. Gusiatin
- grid.412607.60000 0001 2149 6795Department of Environmental Biotechnology, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Słoneczna St. 45G, 10-709 Olsztyn, Poland
| | - Magdalena Zielińska
- grid.412607.60000 0001 2149 6795Department of Environmental Biotechnology, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Słoneczna St. 45G, 10-709 Olsztyn, Poland
| | - Irena Wojnowska-Baryła
- grid.412607.60000 0001 2149 6795Department of Environmental Biotechnology, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Słoneczna St. 45G, 10-709 Olsztyn, Poland
| | - Dorota Kulikowska
- grid.412607.60000 0001 2149 6795Department of Environmental Biotechnology, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Słoneczna St. 45G, 10-709 Olsztyn, Poland
| | - Katarzyna Bernat
- grid.412607.60000 0001 2149 6795Department of Environmental Biotechnology, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Słoneczna St. 45G, 10-709 Olsztyn, Poland
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15
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Lee MG, Joeng H, Shin J, Kim S, Lee C, Song Y, Lee BH, Park HG, Lee TH, Jiang HH, Han YS, Lee BG, Lee HJ, Park MJ, Jun YJ, Park YS. Potential Probiotic Properties of Exopolysaccharide-Producing Lacticaseibacillus paracasei EPS DA-BACS and Prebiotic Activity of Its Exopolysaccharide. Microorganisms 2022; 10:microorganisms10122431. [PMID: 36557684 PMCID: PMC9787920 DOI: 10.3390/microorganisms10122431] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Exopolysaccharide (EPS)-producing Lacticaseibacillus paracasei EPS DA-BACS was isolated from healthy human feces and its probiotic properties, as well as the structure and prebiotic activity of the EPS from this strain were examined. EPS from L. paracasei EPS DA-BACS had a ropy phenotype, which is known to have potential health benefits and is identified as loosely cell-bounded glucomannan-type EPS with a molecular size of 3.7 × 106 Da. EPS promoted the acid tolerance of L. paracasei EPS DA-BACS and provided cells with tolerance to gastrointestinal stress. The purified EPS showed growth inhibitory activity against Clostridium difficile. L. paracasei EPS DA-BACS cells completely inhibited the growth of Bacillus subtilis, Pseudomonas aeruginosa, and Aspergillus brasiliensis, as well as showed high growth inhibitory activity against Staphylococcus aureus and Escherichia coli. Treatment of lipopolysaccharide-stimulated RAW 264.7 cells with heat-killed L. paracasei EPS DA-BACS cells led to a decrease in the production of nitric oxide, indicating the anti-inflammatory activity of L. paracasei EPS DA-BACS. Purified EPS promoted the growth of Lactobacillus gasseri, Bifidobacterium bifidum, B. animalis, and B. faecale which showed high prebiotic activity. L. paracasei EPS DA-BACS harbors no antibiotic resistance genes or virulence factors. Therefore, L. paracasei EPS DA-BACS exhibits anti-inflammatory and antimicrobial activities with high gut adhesion ability and gastrointestinal tolerance and can be used as a potential probiotic.
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Affiliation(s)
- Min-Gyu Lee
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Huijin Joeng
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Jaein Shin
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Suin Kim
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Chaeeun Lee
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Youngbo Song
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Byung-Hoo Lee
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Hyoung-Geun Park
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Tae-Ho Lee
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Hai-Hua Jiang
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Young-Sun Han
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Bong-Gyeong Lee
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Ho-Jin Lee
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Min-Ju Park
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Yun-Ju Jun
- Research Laboratory, Dong-A Pharmaceutical Co., Ltd., Yongin 17073, Republic of Korea
| | - Young-Seo Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
- Correspondence: ; Tel.: +82-31-750-5378
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16
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Zhao D, Li C. Multi-omics profiling reveals potential mechanisms of culture temperature modulating biosynthesis of carotenoids, lipids, and exopolysaccharides in oleaginous red yeast Rhodotorula glutinis ZHK. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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17
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Simonič M. Nanofiltration of the Remaining Whey after Kefir Grains' Cultivation. MEMBRANES 2022; 12:993. [PMID: 36295752 PMCID: PMC9611682 DOI: 10.3390/membranes12100993] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Acid whey is derived from fresh cheese. The proteins were isolated by a monolithic ion-exchange column. The remaining whey fraction was used as a starter culture substrate of kefir grains. The aim of this work was, firstly, to study the possibility of column replacement by a UF membrane. If we succeeded, the concentrate would be used as a starter culture substrate of kefir grains. The second part of the research was to purify the remaining solution. The idea was to separate this solution to the permeate and the concentrate by nanofiltration. Further application of both filtration streams was tested as aqueous solutions or dried matter. Chemical and microbiological analyses were performed of both the permeate and the concentrate. The permeate analyses showed that lactose had been fully removed. The aqueous permeate was not stable, mainly due to an increase of total bacteria from 103 to 106 CFU/mL. Therefore, the permeate was spray-dried. The dry permeate was added to the moisture solution in different concentrations. The results showed that up to 0.5% of the dry permeate could be added to the moisturizing solution, with negligible changes in properties having the ability to inhibit acne growth. Anaerobic digestion of industrial sludge was performed with the addition of an aqueous concentrate, which showed improvement in anaerobic fermentation.
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Affiliation(s)
- Marjana Simonič
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova 17, 2000 Maribor, Slovenia
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18
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Alan Y, Savcı A, Koçpınar EF, Ertaş M. Postbiotic metabolites, antioxidant and anticancer activities of probiotic Leuconostoc pseudomesenteroides strains in natural pickles. Arch Microbiol 2022; 204:571. [PMID: 35997840 DOI: 10.1007/s00203-022-03180-6] [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: 05/06/2022] [Revised: 08/02/2022] [Accepted: 08/08/2022] [Indexed: 11/26/2022]
Abstract
In this study, five strains of Leuconostoc pseudomesenteroides were thought to have probiotic properties and anticancer activity isolated from natural pickles and identified by performing the 16S rRNA sequence analysis. The probiotic properties, postbiotic amounts, the capacity to adhere to the L-929, HT-29 and Caco-2 cell lines, the effects of postbiotic and bacterial extracts on cell viability and biochemical activities were investigated in the strains. In the results, Leu. pseudomesenteroides Y6 strain was detected to have the best resistance to the stomach and intestinal environments, and the quantities of postbiotic metabolites are similar to each other. The bacterial adhesion capacities were found to be in the range of 1.66-8.5%. Furthermore, postbiotic metabolites of all isolates had good anticancer activity (27.67-86.05%) and the activity of bacterial extractions increased depending on concentration. Leu. pseudomesenteroides Y4 and Y6 strains generally showed better activity than controls and all strains were strong 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavengers in the antioxidant studies. In conclusion, the Y6 strain, which had the best probiotic feature, was found to show significantly good biological activity. It is thought that this isolate will be supported by new in vivo studies and eventually be brought to the food and health industry.
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Affiliation(s)
- Yusuf Alan
- Department of Molecular Biology and Genetics, Faculty of Science, Muş Alparslan University, 49250, Muş, Turkey
| | - Ahmet Savcı
- Department of Molecular Biology and Genetics, Faculty of Science, Muş Alparslan University, 49250, Muş, Turkey
| | - Enver Fehim Koçpınar
- Department of Medical Loboratory Techniques, Vocational School of Health Services, Muş Alparslan University, 49250, Muş, Turkey
| | - Metin Ertaş
- Department of Plant and Animal Production, Vocational School of Yuksekova, Hakkari University, 30300, Hakkari, Turkey.
- Biological Diversity Application and Research Center, Hakkari University, 30000, Hakkari, Turkey.
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19
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Bozdemir M, Gümüş T, Altan Kamer DD. Technological and beneficial features of lactic acid bacteria isolated from Boza A cereal-based fermented beverage. FOOD BIOTECHNOL 2022. [DOI: 10.1080/08905436.2022.2092128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Merve Bozdemir
- Agriculture Faculty, Department of Food Engineering, Tekirdağ Namık Kemal University, Tekirdağ, Turkey
| | - Tuncay Gümüş
- Agriculture Faculty, Department of Food Engineering, Tekirdağ Namık Kemal University, Tekirdağ, Turkey
| | - Deniz Damla Altan Kamer
- Agriculture Faculty, Department of Food Engineering, Tekirdağ Namık Kemal University, Tekirdağ, Turkey
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20
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Kök Taş T, Atılgan S, Özdemir N. Presence of Lactobacillus kefiranofaciens subsp. kefiranofaciens, Lentilactobacillus kefiri and Lentilactobacillus parakefiri in the stools of Balb/c consuming natural kefir. Biologia (Bratisl) 2022. [DOI: 10.1007/s11756-022-01094-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Jiang G, He J, Gan L, Li X, Tian Y. Optimization of Exopolysaccharides Production by Lactiplantibacillus pentosus B8 Isolated from Sichuan PAOCAI and Its Functional Properties. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822020107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Comparative Analysis of Fermentation Conditions on the Increase of Biomass and Morphology of Milk Kefir Grains. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12052459] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Kefir grains represent a symbiotic association group of yeasts, lactic acid bacteria and acetic acid bacteria within an exopolysaccharide and protein matrix known as kefiran. The mechanism of growth of a biomass of kefir after successive fermentations and optimal conditions is not well understood yet. Biomass growth kinetics were determined to evaluate the effects of temperatures (10 °C to 40 °C) and different substrates, such as monosaccharides (fructose, galactose, glucose), disaccharides (lactose, saccharose) and polysaccharides (Agave angustifolia fructans) at 2%, in reconstituted nonfat milk powder at 10% (w/v) and inoculated with 2% of milk kefir grain (105 CFU/g), after determining the pH kinetics. The best conditions of temperature and substrates were 20 °C and fructans and galactose. An increase in cells, grain sizes and a change in the morphology of the granules with the best substrates were observed using environmental scanning electron microscopy, confocal laser scanning microscopy and Image Digital Analysis (IDA). Kefir grains with agave fructans as their carbon source showed the higher fractal dimension (2.380), related to a greater co-aggregation ability of LAB and yeasts, and increase the formation of exopolysaccharides and the size of the kefir grains, which opens new application possibilities for the use of branched fructans as a substrate for the fermentation of milk kefir grains for the enhancement of cellular biomasses and exopolysaccharide production, as well as IDA as a characterization tool.
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Wu J, Han X, Ye M, Li Y, Wang X, Zhong Q. Exopolysaccharides synthesized by lactic acid bacteria: biosynthesis pathway, structure-function relationship, structural modification and applicability. Crit Rev Food Sci Nutr 2022; 63:7043-7064. [PMID: 35213280 DOI: 10.1080/10408398.2022.2043822] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Probiotics and their fermentation products are increasingly been focused on due to their health-boosting effects. Exopolysaccharides (EPS) synthetized by lactic acid bacteria (LAB) are widely applied as texture modifiers in dairy, meat and bakery products owning to their improved properties. Moreover, LAB-derived EPS have been confirmed to possess diverse physiological bioactivities including antioxidant, anti-biofilm, antiviral, immune-regulatory or antitumor. However, the low production and high acquisition cost hinder their development. Even though LAB-derived EPS have been extensively studied for their production-improving, there are only few reports on the systematic elucidation and summary of the relationship among biosynthesis pathway, strain selection, production parameter, structure-function relationship. Therefore, a detailed summary on biosynthesis pathway, production parameter and structure-function relationship of LAB-derived EPS is provided in this review, the structural modifications together with the current and potential applications are also discussed in this paper.
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Affiliation(s)
- Jinsong Wu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
- Department of Science, Henan University of Animal Husbandry and Economy, Henan, Zhengzhou, China
| | - Xiangpeng Han
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Meizhi Ye
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Yao Li
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Xi Wang
- Department of Science, Henan University of Animal Husbandry and Economy, Henan, Zhengzhou, China
| | - Qingping Zhong
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
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24
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Jurášková D, Ribeiro SC, Silva CCG. Exopolysaccharides Produced by Lactic Acid Bacteria: From Biosynthesis to Health-Promoting Properties. Foods 2022; 11:156. [PMID: 35053888 PMCID: PMC8774684 DOI: 10.3390/foods11020156] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/02/2022] [Accepted: 01/04/2022] [Indexed: 12/13/2022] Open
Abstract
The production of exopolysaccharides (EPS) by lactic acid bacteria (LAB) has attracted particular interest in the food industry. EPS can be considered as natural biothickeners as they are produced in situ by LAB and improve the rheological properties of fermented foods. Moreover, much research has been conducted on the beneficial effects of EPS produced by LAB on modulating the gut microbiome and promoting health. The EPS, which varies widely in composition and structure, may have diverse health effects, such as glycemic control, calcium and magnesium absorption, cholesterol-lowering, anticarcinogenic, immunomodulatory, and antioxidant effects. In this article, the latest advances on structure, biosynthesis, and physicochemical properties of LAB-derived EPS are described in detail. This is followed by a summary of up-to-date methods used to detect, characterize and elucidate the structure of EPS produced by LAB. In addition, current strategies on the use of LAB-produced EPS in food products have been discussed, focusing on beneficial applications in dairy products, gluten-free bakery products, and low-fat meat products, as they positively influence the consistency, stability, and quality of the final product. Highlighting is also placed on reports of health-promoting effects, with particular emphasis on prebiotic, immunomodulatory, antioxidant, cholesterol-lowering, anti-biofilm, antimicrobial, anticancer, and drug-delivery activities.
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Affiliation(s)
| | | | - Celia C. G. Silva
- Institute of Agricultural and Environmental Research and Technology (IITAA), University of the Azores, 9700-042 Angra do Heroísmo, Azores, Portugal; (D.J.); (S.C.R.)
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Nguyen PT, Nguyen TT, Nguyen TTU, Hoang QK, Nguyen HT. Improve the viability and extracellular polymeric substances bioactivity of Lactiplantibacillus plantarum VAL6 using the environmental adaptation. FOOD AND BIOPRODUCTS PROCESSING 2022. [DOI: 10.1016/j.fbp.2021.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Borkar SR, Bhosle SN. Partial characterization of viscous exopolymer produced by Alkalihalobacillus sp. strain SB-D (KJ372395) with emulsification and adhesive properties. Arch Microbiol 2021; 204:48. [DOI: 10.1007/s00203-021-02679-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/21/2021] [Accepted: 10/25/2021] [Indexed: 10/19/2022]
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Recent Advances in the Production of Exopolysaccharide (EPS) from Lactobacillus spp. and Its Application in the Food Industry: A Review. SUSTAINABILITY 2021. [DOI: 10.3390/su132212429] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Exopolysaccharide (EPS) show remarkable properties in various food applications. In this review paper, EPS composition, structural characterization, biosynthesis pathways, and recent advancements in the context of application of EPS-producing Lactobacillus spp. in different food industries are discussed. Various chemical and physical properties of Lactobacillus EPS, such as the structural, rheological, and shelf-life enhancement of different food products, are mentioned. Moreover, EPSs play a characteristic role in starter culture techniques, yogurt production, immunomodulation, and potential prebiotics. It has been seen that the wastes of fermented and non-fermented products are used as biological food for EPS extraction. The main capabilities of probiotics are the use of EPS for technological properties such as texture and flavor enhancement, juiciness, and water holding capacities of specific food products. For these reasons, EPSs are used in functional and fermented food products to enhance the healthy activity of the human digestive system as well as for the benefit of the food industry to lower product damage and increase consumer demand. Additionally, some pseudocereals such as amaranth and quinoa that produce EPS also play an important role in improving the organoleptic properties of food-grade products. In conclusion, more attention should be given to sustainable extraction techniques of LAB EPS to enhance structural and functional use in the developmental process of food products to meet consumer preferences.
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Sakr EAE, Massoud MI, Ragaee S. Food wastes as natural sources of lactic acid bacterial exopolysaccharides for the functional food industry: A review. Int J Biol Macromol 2021; 189:232-241. [PMID: 34428487 DOI: 10.1016/j.ijbiomac.2021.08.135] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 02/08/2023]
Abstract
Exopolysaccharides (EPSs) synthesized by lactic acid bacteria (LAB), have recently received much interest because of their various functional features in several industries. Food wastes (FWs) have become a major source of worry, as they can cause serious environmental contamination if improperly disposed. The utilization of these FWs is an excellent choice (approach) for producing value-added products such as EPSs, which will efficiently remediate wastes. The overall EPSs yield for the selected producers is strain-specific, and is heavily influenced by the nutritional and growing conditions used. This review emphasizes what is currently known about LAB's ability to generate economically relevant EPSs from FWs. In addition, a concise overview of the food industry, packaging, pharmaceutical and clinical applications application is discussed.
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Affiliation(s)
- Ebtehag A E Sakr
- Botany Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt.
| | - Mona I Massoud
- Sugar Crops Research Institute, Agriculture Research Center, Ministry of Agriculture, Egypt
| | - Sanaa Ragaee
- Department of Food Science, University of Guelph, Canada
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Vieira CP, Rosario AILS, Lelis CA, Rekowsky BSS, Carvalho APA, Rosário DKA, Elias TA, Costa MP, Foguel D, Conte-Junior CA. Bioactive Compounds from Kefir and Their Potential Benefits on Health: A Systematic Review and Meta-Analysis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9081738. [PMID: 34745425 PMCID: PMC8566050 DOI: 10.1155/2021/9081738] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 10/07/2021] [Indexed: 11/21/2022]
Abstract
Despite evidence of health benefits from kefir administration, a systematic review with meta-analysis on bioactive compounds associated with these benefits is still absent in the literature. Kefir is fermented milk resulting from the metabolism of a complex microbiota in symbiosis. Recent researches have investigated the bioactive compounds responsible for the preventive and therapeutic effects attributed to kefir. However, differences in functional potential between industrial and artisanal kefir are still controversial. Firstly, we identified differences in the microbial composition among both types of kefir. Available evidence concerning the action of different bioactive compounds from kefir on health, both from in vitro and in vivo studies, was subsequently summarized to draw a primary conclusion of the dose and the intervention time for effect, the producer microorganisms, the precursor in the milk, and the action mechanism. Meta-analysis was performed to investigate the statistically significant differences (P < 0.05) between intervention and control and between both types of kefir for each health effect studied. In summary, the bioactive compounds more commonly reported were exopolysaccharides, including kefiran, bioactive peptides, and organic acids, especially lactic acid. Kefir bioactive compounds presented antimicrobial, anticancer, and immune-modulatory activities corroborated by the meta-analysis. However, clinical evidence is urgently needed to strengthen the practical applicability of these bioactive compounds. The mechanisms of their action were diverse, indicating that they can act by different signaling pathways. Still, industrial and artisanal kefir may differ regarding functional potential-OR of 8.56 (95% CI: 2.27-32.21, P ≤ .001)-according to the observed health effect, which can be associated with differences in the microbial composition between both types of kefir.
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Affiliation(s)
- Carla P. Vieira
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-598, Brazil
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-909, Brazil
| | - Anisio Iuri L. S. Rosario
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-909, Brazil
- Laboratory of Inspection and Technology of Milk and Derivatives, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, 40170-110 Bahia, Brazil
| | - Carini A. Lelis
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-598, Brazil
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-909, Brazil
| | - Bruna Samara S. Rekowsky
- Laboratory of Inspection and Technology of Milk and Derivatives, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, 40170-110 Bahia, Brazil
| | - Anna Paula A. Carvalho
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-598, Brazil
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-909, Brazil
| | - Denes Kaic A. Rosário
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-598, Brazil
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-909, Brazil
| | - Thaísa A. Elias
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-909, Brazil
| | - Marion P. Costa
- Laboratory of Inspection and Technology of Milk and Derivatives, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, 40170-110 Bahia, Brazil
| | - Debora Foguel
- Laboratory of Protein Aggregation and Amyloidosis, Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, 21941-590 Rio de Janeiro, Brazil
| | - Carlos A. Conte-Junior
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-598, Brazil
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, RJ 21941-909, Brazil
- Graduate Program in Sanitary Surveillance (PPGVS), National Institute of Health Quality Control (INCQS), Oswaldo Cruz Foundation (FIOCRUZ), Rio de Janeiro, RJ 21040-900, Brazil
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Akhtach S, Tabia Z, Bricha M, Belkhou R, Mabrouk KE. Investigation on exopolysaccharide production by Lacticaseibacillus rhamnosus P14 isolated from Moroccan raw cow's milk. J Food Sci 2021; 86:4840-4850. [PMID: 34642967 DOI: 10.1111/1750-3841.15941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 09/06/2021] [Accepted: 09/09/2021] [Indexed: 11/29/2022]
Abstract
Twenty-four strains were isolated from 50 samples of raw cow's milk originated from different regions of Morocco. After different screening methods, one strain was selected as the highest exopolysaccharide (EPS)-producing isolate and was identified by 16S rDNA sequencing as Lacticaseibacillus rhamnosus P14. Moreover, the EPS-producing ability, bacterial growth, and pH of the medium were monitored. The optimization of culture conditions indicated that the high yield of EPS was 685.14 mg/L obtained at 42°C, with lactose as a carbon source. The characterization study showed that the purified EPS consisted of one main fraction that contained 97.67% of carbohydrates. Furthermore, the EPS was identified as a homogeneous polysaccharide, mainly composed of glucose. These results demonstrated the high EPS production ability of the selected L. rhamnosus P14, representing a promising candidate to improve the textural and sensory properties of fermented food.
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Affiliation(s)
- Sihame Akhtach
- Euromed Research Center, Euromed University of Fez, Eco-Campus, Fez, Morocco.,Laboratory of Biotechnology, Environment, Agri-Food, and Health (LBEAS), High School of Technology, Sidi Mohamed Ben Abdallah University, Atlas Fez, Morocco
| | - Zakaria Tabia
- Euromed Research Center, Euromed University of Fez, Eco-Campus, Fez, Morocco
| | - Meriem Bricha
- Euromed Research Center, Euromed University of Fez, Eco-Campus, Fez, Morocco
| | - Rajae Belkhou
- Laboratory of Biotechnology, Environment, Agri-Food, and Health (LBEAS), High School of Technology, Sidi Mohamed Ben Abdallah University, Atlas Fez, Morocco
| | - Khalil El Mabrouk
- Euromed Research Center, Euromed University of Fez, Eco-Campus, Fez, Morocco
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Liu N, Qin L, Lu X, Zhao Y, Miao S. Physicochemical components and flavor properties of acid rice soup (rice-acid) fermented with Lactobacillus paracasei and/or Kluyveromyces marxianus. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101278] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Coculture Strategy for Developing Lactobacillus paracasei PS23 Fermented Milk with Anti-Colitis Effect. Foods 2021; 10:foods10102337. [PMID: 34681392 PMCID: PMC8535234 DOI: 10.3390/foods10102337] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/25/2021] [Accepted: 09/28/2021] [Indexed: 12/27/2022] Open
Abstract
Few studies have documented the effects of fermented milk on intestinal colitis, which are mediated by regulating various microbial and inflammatory processes. Here, we investigated the effects of fermented milk with Lactobacillus paracasei PS23 on intestinal epithelial cells in vitro and dextran sulfate sodium (DSS)-induced colitis in vivo. As L. paracasei PS23 grew poorly in milk, a coculture strategy with yogurt culture was provided to produce fermented milk (FM). The results indicated that the coculture exhibited a symbiotic effect, contributing to the better microbial and physicochemical property of the fermented milk products. We further evaluated the anti-colitis effect of fermented milk with L. paracasei PS23 in vitro. Both PS23-fermented milk (PS23 FM) and its heat-killed counterpart (HK PS23 FM) could protect or reverse the increased epithelial permeability by strengthening the epithelial barrier function in vitro by increasing transepithelial electrical resistance (TEER). In vivo analysis of the regulation of intestinal physiology demonstrated that low-dose L. paracasei PS23-fermented ameliorated DSS-induced colitis, with a significant attenuation of the bleeding score and reduction of fecal calprotectin levels. This anti-colitis effect may be exerted by deactivating the inflammatory cascade and strengthening the tight junction through the modification of specific cecal bacteria and upregulation of short-chain fatty acids. Our findings can clarify the role of L. paracasei PS23 in FM products when cocultured with yogurt culture and can elucidate the mechanisms of the anti-colitis effect of L. paracasei PS23 FM, which may be considered for therapeutic intervention.
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Health-Promoting Properties of Lacticaseibacillus paracasei: A Focus on Kefir Isolates and Exopolysaccharide-Producing Strains. Foods 2021; 10:foods10102239. [PMID: 34681288 PMCID: PMC8534925 DOI: 10.3390/foods10102239] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/04/2021] [Accepted: 09/06/2021] [Indexed: 01/13/2023] Open
Abstract
Among artisanal fermented beverages, kefir (fermented milk drink) and water kefir (fermented nondairy beverage) are of special interest because their grains can be considered natural reservoirs of safe and potentially probiotic strains. In the last years, several reports on Lacticaseibacillus paracasei (formerly Lactobacillus paracasei) isolated from both artisanal fermented beverages were published focusing on their health-promoting properties. Although this is not the predominant species in kefir or water kefir, it may contribute to the health benefits associated to the consumption of the fermented beverage. Since the classification of L. paracasei has been a difficult task, the selection of an adequate method for identification, which is essential to avoid mislabeling in products, publications, and some publicly available DNA sequences, is discussed in the present work. The last findings in health promoting properties of L. paracasei and the bioactive compounds are described and compared to strains isolated from kefir, providing a special focus on exopolysaccharides as effector molecules. The knowledge of the state of the art of Lacticaseibacillus paracasei from kefir and water kefir can help to understand the contribution of these microorganisms to the health benefits of artisanal beverages as well as to discover new probiotic strains for applications in food industry.
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Hu X, Fu H, Bao M, Zhang X, Liu W, Sun X, Pan Y. Temperature mediates metabolism switching of Bacillus sp. ZT-1: Analysis of the properties and structure of exopolysaccharides. Microbiol Res 2021; 251:126839. [PMID: 34390957 DOI: 10.1016/j.micres.2021.126839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 07/21/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022]
Abstract
Microorganism was very sensitive to external temperature change, which also affected its normal metabolism and secretion. Low temperature exopolysaccharides (LT-EPS) and normal temperature exopolysaccharides (NT-EPS) secreted by Bacillus sp. ZT-1 mediated by temperature were studied in this paper. The total carbohydrate in the LT-EPS and NT-EPS were found to be 82.54 ± 2.56 % and 94.23 ± 1.59 % (w/w). The High Performance Liquid Chromatography (HPLC) revealed the mannose and galacturonic acid accounted for 45.52 and 23.49 % in LT-EPS, respectively. In like manner, mannose and galacturonic acid contained 43.99 and 25.24 % in NT-EPS. One-dimensional nuclear magnetic resonance (NMR) revealed the connection mode of sugar chains. NT-EPS exhibited higher viscosity, better emulsification properties and the larger molecular weight than LT-EPS. Scanning electron microscopy (SEM) showed that LT-EPS was sheet-like with sugar chain branches while NT-EPS was showed as network structure. Furthermore, the 2812 differentially expressed genes (DEGs) were analyzed by Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment and located 739 biological pathways. Finally, transcriptome analysis revealed differences in gene expression of the pentose phosphate pathway of carbohydrate metabolism might be the main reason for this difference.
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Affiliation(s)
- Xin Hu
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Chemistry & Chemical Engineering, Ocean University of China, Qingdao, 266100, China
| | - Hongrui Fu
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Chemistry & Chemical Engineering, Ocean University of China, Qingdao, 266100, China
| | - Mutai Bao
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Chemistry & Chemical Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Xiuli Zhang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
| | - Wei Liu
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Chemistry & Chemical Engineering, Ocean University of China, Qingdao, 266100, China
| | - Xiaojun Sun
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Chemistry & Chemical Engineering, Ocean University of China, Qingdao, 266100, China
| | - Yaping Pan
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Chemistry & Chemical Engineering, Ocean University of China, Qingdao, 266100, China
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Development of coconut water-based exopolysaccharide rich functional beverage by fermentation with probiotic Lactobacillus plantarum SVP2. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Karadeniz DG, Kaskatepe B, Kiymaci ME, Tok KC, Gumustas M, Karaaslan C. Microbial exopolysaccharide production of Streptococcus thermophilus and its antiquorum sensing activity. Arch Microbiol 2021; 203:3331-3339. [PMID: 33866380 DOI: 10.1007/s00203-021-02313-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 03/26/2021] [Accepted: 03/29/2021] [Indexed: 11/25/2022]
Abstract
Interest in the production of exopolysaccharides by microorganisms has increased in the recent years. Using low-cost product is the main step of microbial production to reduce cost and compete with chemical production. In this work, EPS production of Streptococcus thermophilus isolates from yogurt (S2), kefir (S3), and S. thermophilus ATCC 19258 (S1) isolate which was used as control strains were investigated by using different fruit pulps. S. thermophilus isolates were identified by morphological and 16S sequence analysis. The amount of EPS obtained was measured spectrophotometrically using glucose as standard with phenol sulfuric acid method. All three isolates produced higher amounts of EPS on M17 medium than Nutrient medium. When the fruit pulp was added to the medium, EPS production increased in all three isolates. When different nitrogen sources were added together with fruit pulp juice, EPS production increased. The highest amount of EPS produced by ATCC 19258 strain (21.570 mg/L) and S3 isolate (29.131 mg/L) is the medium where mixed fruit pulp juice and nitrogen source is tryptophan. It has been shown that EPS production is increased by adding fruit pulps to the prepared media. It is thought that apricot pulp can be a good alternative in EPS production especially in the evaluation of wastes. Also, antiquorum sensing activity of the highest amount EPS was determined by using Chromobacterium violaceum CV026 strain and found effective on violacein pigment inhibition and C6-AHL production of biosensor strain.
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Affiliation(s)
- Demet Genc Karadeniz
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Banu Kaskatepe
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Ankara University, Ankara, Turkey.
| | - Merve Eylul Kiymaci
- Department of Pharmaceutical Microbiology, Gulhane Faculty of Pharmacy, University of Health Sciences Turkey, Ankara, Turkey
| | - Kenan Can Tok
- Department of Forensic Toxicology, Institute of Forensic Sciences, Ankara University, Ankara, Turkey
| | - Mehmet Gumustas
- Department of Forensic Toxicology, Institute of Forensic Sciences, Ankara University, Ankara, Turkey
| | - Cigdem Karaaslan
- Department of Pharmaceutical Chemistry, Gulhane Faculty of Pharmacy, University of Health Sciences Turkey, Ankara, Turkey
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Butorac K, Novak J, Bellich B, Terán LC, Banić M, Leboš Pavunc A, Zjalić S, Cescutti P, Šušković J, Kos B. Lyophilized alginate-based microspheres containing Lactobacillus fermentum D12, an exopolysaccharides producer, contribute to the strain's functionality in vitro. Microb Cell Fact 2021; 20:85. [PMID: 33865380 PMCID: PMC8052780 DOI: 10.1186/s12934-021-01575-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 04/02/2021] [Indexed: 11/10/2022] Open
Abstract
Lactobacillus (Limosilactobacillus) fermentum D12 is an exopolysaccharide (EPS) producing strain whose genome contains a putative eps operon. Whole-genome analysis of D12 was performed to disclose the essential genes correlated with activation of precursor molecules, elongation and export of the polysaccharide chain, and regulation of EPS synthesis. These included the genes required for EPS biosynthesis such as epsA, B, C, D and E, also gt, wzx, and wzy and those involved in the activation of the precursor molecules galE, galT and galU. Both the biosynthesis and export mechanism of EPS were proposed based on functional annotation. When grown on MRS broth with an additional 2% w/v glucose, L. fermentum D12 secreted up to 200 mg/L of a mixture of EPSs, whose porous structure was visualized by scanning electron microscopy (SEM). Structural information obtained by 1HNMR spectroscopy together with composition and linkage analyses, suggested the presence of at least two different EPSs, a branched heteropolysaccharide containing t-Glcp and 2,6-linked Galf, and glycogen. Since recent reports showed that polysaccharides facilitate the probiotic-host interactions, we at first sought to evaluate the functional potential of L. fermentum D12. Strain D12 survived simulated gastrointestinal tract (GIT) conditions, exhibited antibacterial activity against enteropathogenic bacteria, adhered to Caco-2 cells in vitro, and as such showed potential for in vivo functionality. The EPS crude extract positively influenced D12 strain capacity to survive during freeze-drying and to adhere to extracellular matrix (ECM) proteins but did not interfere Caco-2 and mucin adherence when added at concentrations of 0.2, 0.5, and 1.0 mg/mL. Since the viable bacterial count of free D12 cells was 3 logarithmic units lower after the exposure to simulated GIT conditions than the initial count, the bacterial cells had been loaded into alginate for viability improvement. Microspheres of D12 cells, which were previously analyzed at SEM, significantly influenced their survival during freeze-drying and in simulated GIT conditions. Furthermore, the addition of the prebiotic substrates mannitol and lactulose improved the viability of L. fermentum D12 in freeze-dried alginate microspheres during 1-year storage at 4 °C compared to the control.
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Affiliation(s)
- Katarina Butorac
- Laboratory of Antibiotic, Enzyme, Probiotic and Starter Culture Technologies, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, Zagreb, Croatia
| | - Jasna Novak
- Laboratory of Antibiotic, Enzyme, Probiotic and Starter Culture Technologies, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, Zagreb, Croatia.
| | - Barbara Bellich
- Department of Life Sciences, University of Trieste, Via Licio Giorgieri 1, Bdg. C11, 34127, Trieste, Italy
| | - Lucrecia C Terán
- Department of Life Sciences, University of Trieste, Via Licio Giorgieri 1, Bdg. C11, 34127, Trieste, Italy
| | - Martina Banić
- Laboratory of Antibiotic, Enzyme, Probiotic and Starter Culture Technologies, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, Zagreb, Croatia
| | - Andreja Leboš Pavunc
- Laboratory of Antibiotic, Enzyme, Probiotic and Starter Culture Technologies, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, Zagreb, Croatia
| | - Slaven Zjalić
- Department of Ecology, Agronomy and Aquaculture, University of Zadar, Trg Kneza Višeslava 9, 23000, Zadar, Croatia
| | - Paola Cescutti
- Department of Life Sciences, University of Trieste, Via Licio Giorgieri 1, Bdg. C11, 34127, Trieste, Italy
| | - Jagoda Šušković
- Laboratory of Antibiotic, Enzyme, Probiotic and Starter Culture Technologies, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, Zagreb, Croatia
| | - Blaženka Kos
- Laboratory of Antibiotic, Enzyme, Probiotic and Starter Culture Technologies, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, Zagreb, Croatia
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Velasco L, Loeffler M, Torres I, Weiss J. Influence of fermentation temperature on in situ heteropolysaccharide formation ( Lactobacillus plantarum TMW 1.1478) and texture properties of raw sausages. Food Sci Nutr 2021; 9:1312-1322. [PMID: 33747447 PMCID: PMC7958580 DOI: 10.1002/fsn3.2054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/23/2020] [Accepted: 11/25/2020] [Indexed: 11/11/2022] Open
Abstract
This study puts a focus on the influence of microbial in situ heteropolysaccharide (HePS) formation on the quality of raw fermented sausages (salami). Since exopolysaccharide-production is often triggered by sub-optimal growth conditions, the influence of different fermentation temperatures was also investigated. For this reason, the sausage batter was inoculated with (Lactobacillus plantarum TMW 1.1478) or without (L. sakei TMW 1.2037; control) a HePS-producing starter culture (inoculation concentration ~108 CFU/g), and the sausages fermented at either 10, 16, or 24°C (7 days), followed by a drying period at 14°C until the final weight loss of 31% was reached. Microbial growth, pH, and weight loss development were monitored and the products further characterized using texture profile analysis and a sensory test. HePS in the salami matrix were determined using confocal laser scanning microscopy and a semi-quantitative data interpretation approach. Sausages containing L. plantarum were found to be significantly (p < .05) softer compared with control samples, which was also confirmed in the sensory analysis. The different fermentation temperatures had an influence on the drying speed. Here, sausages produced with L. plantarum needed more time to reach the final weight loss of 31% as compared to control samples, which could be attributed to the presence of exopolysaccharides in the matrix (p < .05). Using HePS-forming starter cultures in raw fermented sausage manufacturing can lead to products with a softer texture (undesired in Europe) depending on the strain and processing conditions used, highlighting the importance of a suitable starter culture selection in food processing.
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Affiliation(s)
- Lina Velasco
- Department of Food Material ScienceInstitute of Food Science and BiotechnologyUniversity of HohenheimStuttgartGermany
| | - Myriam Loeffler
- Department of Food Material ScienceInstitute of Food Science and BiotechnologyUniversity of HohenheimStuttgartGermany
| | - Isabel Torres
- Department of Food Material ScienceInstitute of Food Science and BiotechnologyUniversity of HohenheimStuttgartGermany
| | - Jochen Weiss
- Department of Food Material ScienceInstitute of Food Science and BiotechnologyUniversity of HohenheimStuttgartGermany
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Velasco L, Weiss J, Loeffler M. Influence of microbial in-situ heteropolysaccharide production on textural properties of raw fermented sausages (salami). JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2021; 58:562-570. [PMID: 33568849 DOI: 10.1007/s13197-020-04568-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 05/23/2020] [Accepted: 06/10/2020] [Indexed: 11/26/2022]
Abstract
The purpose of the study was to investigate the influence of a heteropolysacchride (HePS)-forming lactic acid bacteria (LAB) on the quality attributes of raw fermented sausages. Therefore, salamis with the HePS-producing strain Lactobacillus plantarum TMW 1.1478 or the non-EPS-producing strain Lactobacillus sakei TMW 1.2037 (control) were manufactured using two different inoculation concentrations: more precisely, 107 CFU/g (typical starter culture concentration) or 109 CFU/g. Growth behavior, aw and pH development were recorded until a weight loss of 31% was reached and in-situ-formed EPS detected using confocal laser scanning microscopy. Moreover, the influence of the HePS formed on texture (texture profile analysis; TPA) and sensory attributes (26 panelists, ranking test) was investigated. The final products containing L. plantarum TMW 1.1478 were found to be significantly softer (p < 0.05) than the respective control samples, an effect that was even more pronounced at the higher inoculation level of 109 CFU/g. The semi-quantitative data interpretation of the CLSM pictures revealed that the EPS were predominantly formed during the first 72 h of fermentation at 24 °C until the final pH of 4.95 ± 0.05 was reached (stationary phase). The sensory evaluation (consistency) was in accordance with the TPA results and taste was not negatively influenced by the HePS-forming strain. Results clearly indicate that EPS-producing LAB can have a negative influence on the quality of raw fermented sausages. However, these strains (in the present case L. plantarum TMW 1.1478) might be interesting for application in the field of spreadable raw sausage manufacturing.
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Affiliation(s)
- Lina Velasco
- Department of Food Physics and Meat Science, Institute of Food Science and Biotechnology, University of Hohenheim, Garbenstrasse 21/25, 70599 Stuttgart, Germany
| | - Jochen Weiss
- Department of Food Physics and Meat Science, Institute of Food Science and Biotechnology, University of Hohenheim, Garbenstrasse 21/25, 70599 Stuttgart, Germany
| | - Myriam Loeffler
- Department of Food Physics and Meat Science, Institute of Food Science and Biotechnology, University of Hohenheim, Garbenstrasse 21/25, 70599 Stuttgart, Germany
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Zhang Y, Dai X, Jin H, Man C, Jiang Y. The effect of optimized carbon source on the synthesis and composition of exopolysaccharides produced by Lactobacillus paracasei. J Dairy Sci 2021; 104:4023-4032. [PMID: 33551164 DOI: 10.3168/jds.2020-19448] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/02/2020] [Indexed: 11/19/2022]
Abstract
This study aimed to predict the optimal carbon source for higher production of exopolysaccharides (EPS) by Lactobacillus paracasei TD 062, and to evaluate the effect of this carbon source on the production and monosaccharide composition of EPS. We evaluated the EPS production capacity of 20 strains of L. paracasei under the same conditions. We further investigated L. paracasei TD 062, which showed the highest EPS-producing activity (0.609 g/L), by examining the associated biosynthesis pathways for EPS. Genomics revealed that fructose, mannose, trehalose, glucose, galactose, and lactose were carbon sources that L. paracasei TD 062 could use to produce EPS. We identified an EPS synthesis gene cluster that could participate in transport, export, and sugar chain synthesis, and generate 6 sugar nucleotides. Experimental results showed that the sugar content of the EPS produced using fermentation with the optimized carbon source (fructose, mannose, trehalose, glucose, galactose, and lactose) increased by 115%. Furthermore, use of the optimized carbon source changed the monosaccharide content of the associated EPS. The results of enzyme activity measurements showed significant increases in the activity of 2 key enzymes involved in the glycoside synthesis pathway. Our study revealed that optimizing the carbon source provided for fermentation not only increased the production of EPS, but also affected the composition of the monosaccharides by increasing enzyme activity in the underlying synthesis pathways, suggesting an important role for carbon source in the production of EPS by L. paracasei TD 062.
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Affiliation(s)
- Yu Zhang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xiaofei Dai
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Haonan Jin
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Chaoxin Man
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China.
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China; Kangyuan Dairy Co. Ltd., Yangzhou University, Yangzhou 225004, China.
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Loeffler M, Hilbig J, Velasco L, Weiss J. Usage of in situ exopolysaccharide-forming lactic acid bacteria in food production: Meat products-A new field of application? Compr Rev Food Sci Food Saf 2020; 19:2932-2954. [PMID: 33337046 DOI: 10.1111/1541-4337.12615] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 07/02/2020] [Accepted: 07/15/2020] [Indexed: 12/01/2022]
Abstract
In the meat industry, hydrocolloids and phosphates are used to improve the quality attributes of meat products. However, latest research results revealed that the usage of exopolysaccharide (EPS)-forming lactic acid bacteria (LAB), which are able to produce EPS in situ during processing could be an interesting alternative. The current review aims to give a better understanding of bacterial EPS production in food matrices with a special focus on meat products. This includes an introduction to microbial EPS production (homopolysaccharides as well as heteropolysaccharides) and an overview of parameters affecting EPS formation and yield depending on LAB used. This is followed by a summary of methods to detect and characterize EPS to facilitate a rational selection of starter cultures and fermentation conditions based on desired structure-function relationships in different food matrices. The mechanism of action of in situ generated EPS is then highlighted with an emphasis on different meat products. In the process, this review also highlights food additives currently used in meat production that could in the future be replaced by in situ EPS-forming LAB.
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Affiliation(s)
- Myriam Loeffler
- Department of Food Material Science, Institute of Food Science and Biotechnology, University of Hohenheim, Garbenstrasse 21/25, Stuttgart, Germany
| | - Jonas Hilbig
- Department of Food Material Science, Institute of Food Science and Biotechnology, University of Hohenheim, Garbenstrasse 21/25, Stuttgart, Germany
| | - Lina Velasco
- Department of Food Material Science, Institute of Food Science and Biotechnology, University of Hohenheim, Garbenstrasse 21/25, Stuttgart, Germany
| | - Jochen Weiss
- Department of Food Material Science, Institute of Food Science and Biotechnology, University of Hohenheim, Garbenstrasse 21/25, Stuttgart, Germany
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Plessas S, Kiousi DE, Rathosi M, Alexopoulos A, Kourkoutas Y, Mantzourani I, Galanis A, Bezirtzoglou E. Isolation of a Lactobacillus paracasei Strain with Probiotic Attributes from Kefir Grains. Biomedicines 2020; 8:biomedicines8120594. [PMID: 33322295 PMCID: PMC7764135 DOI: 10.3390/biomedicines8120594] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/06/2020] [Accepted: 12/09/2020] [Indexed: 02/06/2023] Open
Abstract
Κefir is a rich source of potentially probiotic bacteria. In the present study, firstly, in vitro screening for probiotic characteristics of ten lactic acid bacteria (LAB) isolated from kefir grains was performed. Strain AGR 4 was selected for further studies. Molecular characterization of strain AGR 4, confirmed that AGR 4 belongs to the Lactobacillus paracasei (reclassified to Lacticaseibacillus paracasei subsp. paracasei) species. Further testing revealed that L. paracasei AGR 4 displayed adhesion capacity on human adenocarcinoma cells, HT-29, similar to that of the reference strain, L. casei ATCC 393. In addition, the novel strain exerted significant time- and dose-dependent antiproliferative activity against HT-29 cells and human melanoma cell line, A375, as demonstrated by the sulforhodamine B cytotoxicity assay. Flow cytometry analysis was employed to investigate the mechanism of cellular death; however, it was found that AGR 4 did not act by inducing cell cycle arrest and/or apoptotic cell death. Taken together, these findings promote the probiotic character of the newly isolated strain L. paracasei AGR 4, while further studies are needed for the detailed description of its biological properties.
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Affiliation(s)
- Stavros Plessas
- Laboratory of Food Processing, Faculty of Agricultural Development, Democritus University of Thrace, 68200 Orestiada, Greece; (A.A.); (I.M.)
- Correspondence: ; Tel./Fax: +30-25520-41141
| | - Despoina Eugenia Kiousi
- Department of Molecular Biology and Genetics, Faculty of Health Sciences, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (D.E.K.); (M.R.); (A.G.)
| | - Marina Rathosi
- Department of Molecular Biology and Genetics, Faculty of Health Sciences, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (D.E.K.); (M.R.); (A.G.)
| | - Athanasios Alexopoulos
- Laboratory of Food Processing, Faculty of Agricultural Development, Democritus University of Thrace, 68200 Orestiada, Greece; (A.A.); (I.M.)
| | - Yiannis Kourkoutas
- Laboratory of Applied Microbiology and Biotechnology, Department of Molecular Biology and Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece;
| | - Ioanna Mantzourani
- Laboratory of Food Processing, Faculty of Agricultural Development, Democritus University of Thrace, 68200 Orestiada, Greece; (A.A.); (I.M.)
| | - Alex Galanis
- Department of Molecular Biology and Genetics, Faculty of Health Sciences, Democritus University of Thrace, 68100 Alexandroupolis, Greece; (D.E.K.); (M.R.); (A.G.)
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Medical School, Faculty of Health Sciences, Democritus University of Thrace, 68100 Alexandroupolis, Greece;
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Costamagna G, Volpi G, Ghibaudi E, Ginepro M. Quantitative insights on the interaction between metal ions and water kefir grains: kinetics studies and EPR investigations. Nat Prod Res 2020; 36:3440-3444. [DOI: 10.1080/14786419.2020.1855164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Giorgio Volpi
- Department of Chemistry, University of Turin, Torino, Italy
| | - Elena Ghibaudi
- Department of Chemistry, University of Turin, Torino, Italy
| | - Marco Ginepro
- Department of Chemistry, University of Turin, Torino, Italy
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Bengoa AA, Errea AJ, Rumbo M, Abraham AG, Garrote GL. Modulatory properties of Lactobacillus paracasei fermented milks on gastric inflammatory conditions. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104839] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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45
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Piazentin ACM, da Silva TMS, Florence-Franco AC, Bedani R, Converti A, de Souza Oliveira RP. Soymilk fermentation: effect of cooling protocol on cell viability during storage and in vitro gastrointestinal stress. Braz J Microbiol 2020; 51:1645-1654. [PMID: 32865712 PMCID: PMC7688817 DOI: 10.1007/s42770-020-00369-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 08/21/2020] [Indexed: 11/26/2022] Open
Abstract
This work covers soymilk fermentation by starter and probiotic cultures and explores the influence of cooling protocol on cell viability, organic acid production, sugar consumption, fatty acid profile, and cell survival to in vitro gastrointestinal stress. After fermentation at 37 °C by mono- or co-cultures of Streptococcus thermophilus (St), Lactobacillus bulgaricus (Lb), and Lactobacillus paracasei (Lp), fermented soymilk was cooled directly at 4 °C for 28 days or cooled in two phases (TPC), i.e., by preceding that step by another at 25 °C for 8 h. Soybean milk fermentation by Lb alone lasted longer (15 h) than by StLb or StLbLp (9 h). In ternary culture, TPC increased Lp viability, linoleic, and lactic acid concentrations by 3.8, 22.6, and 96.2%, respectively, whereas the cooling protocol did not influence Lp and St counts after in vitro gastrointestinal stress. Graphical abstract.
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Affiliation(s)
- Anna Carolina Meireles Piazentin
- Department of Biochemical and Pharmaceutical Technology, University of São Paulo, Prof. Lineu Prestes, 580 - Bloco 16, Sao Paulo, 05508-000, Brazil
| | - Thamires Maria Simões da Silva
- Department of Biochemical and Pharmaceutical Technology, University of São Paulo, Prof. Lineu Prestes, 580 - Bloco 16, Sao Paulo, 05508-000, Brazil
| | - Ana Carolina Florence-Franco
- French Institute of Health and Medical Research, Inserm, Toulouse Purpan Pathophysiology Center, CPTP, Toulouse, France
| | - Raquel Bedani
- Department of Biochemical and Pharmaceutical Technology, University of São Paulo, Prof. Lineu Prestes, 580 - Bloco 16, Sao Paulo, 05508-000, Brazil
| | - Attilio Converti
- Department of Civil, Chemical and Environmental Engineering, Pole of Chemical Engineering, University of Genoa, Via Opera Pia 15, 16145, Genoa, Italy
| | - Ricardo Pinheiro de Souza Oliveira
- Department of Biochemical and Pharmaceutical Technology, University of São Paulo, Prof. Lineu Prestes, 580 - Bloco 16, Sao Paulo, 05508-000, Brazil.
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Nguyen PT, Nguyen TT, Bui DC, Hong PT, Hoang QK, Nguyen HT. Exopolysaccharide production by lactic acid bacteria: the manipulation of environmental stresses for industrial applications. AIMS Microbiol 2020; 6:451-469. [PMID: 33364538 PMCID: PMC7755584 DOI: 10.3934/microbiol.2020027] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023] Open
Abstract
Exopolysaccharides (EPSs) are biological polymers secreted by microorganisms including Lactic acid bacteria (LAB) to cope with harsh environmental conditions. EPSs are one of the main components involved in the formation of extracellular biofilm matrix to protect microorganisms from adverse factors such as temperature, pH, antibiotics, host immune defenses, etc.. In this review, we discuss EPS biosynthesis; the role of EPSs in LAB stress tolerance; the impact of environmental stresses on EPS production and on the expression of genes involved in EPS synthesis. The evaluation results indicated that environmental stresses can alter EPS biosynthesis in LAB. For further studies, environmental stresses may be used to generate a new EPS type with high biological activity for industrial applications.
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Affiliation(s)
- Phu-Tho Nguyen
- Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, Ha Noi, Vietnam
- Department of Biotechnology, An Giang University, An Giang, Vietnam
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Tho-Thi Nguyen
- Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam
| | - Duc-Cuong Bui
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE, United States
| | - Phuoc-Toan Hong
- LAVI's Institute for Agricultural Science and Plant Breeding, Ho Chi Minh City, Vietnam
| | - Quoc-Khanh Hoang
- Institute of Tropical Biology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Huu-Thanh Nguyen
- Department of Biotechnology, An Giang University, An Giang, Vietnam
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
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Bengoa AA, Dardis C, Gagliarini N, Garrote GL, Abraham AG. Exopolysaccharides From Lactobacillus paracasei Isolated From Kefir as Potential Bioactive Compounds for Microbiota Modulation. Front Microbiol 2020; 11:583254. [PMID: 33178165 PMCID: PMC7596202 DOI: 10.3389/fmicb.2020.583254] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/23/2020] [Indexed: 12/19/2022] Open
Abstract
Microbiota coexists in true symbiosis with the host playing pivotal roles as a key element for well-being and health. Exopolysaccharides from lactic acid bacteria are an alternative as novel potential prebiotics that increase microbiota diversity. Considering this, the aim of the present work was to evaluate the capacity of the EPS produced by two L. paracasei strains isolated from kefir grains, to be metabolized in vitro by fecal microbiota producing short chain fatty acids. For this purpose, fecal samples from healthy children were inoculated in a basal medium with EPS and incubated in anaerobiosis at 37°C for 24, 48, and 72 h. DGGE profiles and the production of SCFA after fermentation were analyzed. Additionally, three selected samples were sequenced by mass sequencing analysis using Ion Torrent PGM. EPS produced by L. paracasei CIDCA 8339 (EPS8339) and CIDCA 83124 (EPS83124) are metabolized by fecal microbiota producing a significant increase in SCFA. EPS8339 fermentation led to an increment of propionate and butyrate, while fermentation of EPS83124 increased butyrate levels. Both EPS led to a profile of SCFA different from the ones obtained with inulin or glucose fermentation. DGGE profiles of 72 h fermentation demonstrated that both EPS showed a different band profile when compared to the controls; EPS profiles grouped in a cluster that have only 65% similarity with glucose or inulin profiles. Mass sequencing analysis demonstrated that the fermentation of EPS8339 leads to an increase in the proportion of the genera Victivallis, Acidaminococcus and Comamonas and a significant drop in the proportion of enterobacteria. In the same direction, the fermentation of EPS83124 also resulted in a marked reduction of Enterobacteriaceae with a significant increase in the genus Comamonas. It was observed that the changes in fecal microbiota and SCFA profile exerted by both polymers are different probably due to differences in their structural characteristics. It can be concluded that EPS synthesized by both L. paracasei strains, could be potentially used as bioactive compound that modify the microbiota increasing the production of propionic and butyric acid, two metabolites highly associated with beneficial effects both at the gastrointestinal and extra-intestinal level.
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Affiliation(s)
- Ana Agustina Bengoa
- Facultad de Ciencias Exactas, Centro de Investigación y Desarrollo en Criotecnología de Alimentos, Universidad Nacional de La Plata - Consejo Nacional de Investigaciones Científicas y Técnicas Centro Científico-Tecnológico La Plata - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, La Plata, Argentina
| | - Carolina Dardis
- Facultad de Ciencias Exactas, Centro de Investigación y Desarrollo en Criotecnología de Alimentos, Universidad Nacional de La Plata - Consejo Nacional de Investigaciones Científicas y Técnicas Centro Científico-Tecnológico La Plata - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, La Plata, Argentina
| | - Nina Gagliarini
- Facultad de Ciencias Exactas, Centro de Investigación y Desarrollo en Criotecnología de Alimentos, Universidad Nacional de La Plata - Consejo Nacional de Investigaciones Científicas y Técnicas Centro Científico-Tecnológico La Plata - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, La Plata, Argentina
| | - Graciela L Garrote
- Facultad de Ciencias Exactas, Centro de Investigación y Desarrollo en Criotecnología de Alimentos, Universidad Nacional de La Plata - Consejo Nacional de Investigaciones Científicas y Técnicas Centro Científico-Tecnológico La Plata - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, La Plata, Argentina
| | - Analía G Abraham
- Facultad de Ciencias Exactas, Centro de Investigación y Desarrollo en Criotecnología de Alimentos, Universidad Nacional de La Plata - Consejo Nacional de Investigaciones Científicas y Técnicas Centro Científico-Tecnológico La Plata - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, La Plata, Argentina.,Área Bioquímica y Control de Alimentos - Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina
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Zheng Y, Fei Y, Yang Y, Jin Z, Yu B, Li L. A potential flavor culture: Lactobacillus harbinensis M1 improves the organoleptic quality of fermented soymilk by high production of 2,3-butanedione and acetoin. Food Microbiol 2020; 91:103540. [DOI: 10.1016/j.fm.2020.103540] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 02/07/2023]
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49
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Optimization production of exopolysaccharide from Leuconostoc lactis L2 and its partial characterization. Int J Biol Macromol 2020; 159:630-639. [DOI: 10.1016/j.ijbiomac.2020.05.101] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/07/2020] [Accepted: 05/14/2020] [Indexed: 11/23/2022]
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50
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Li C, Ding J, Chen D, Shi Z, Wang L. Bioconversion of cheese whey into a hetero-exopolysaccharide via a one-step bioprocess and its applications. Biochem Eng J 2020. [DOI: 10.1016/j.bej.2020.107701] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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