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Duncanson K, Williams G, Hoedt EC, Collins CE, Keely S, Talley NJ. Diet-microbiota associations in gastrointestinal research: a systematic review. Gut Microbes 2024; 16:2350785. [PMID: 38725230 PMCID: PMC11093048 DOI: 10.1080/19490976.2024.2350785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 04/29/2024] [Indexed: 05/16/2024] Open
Abstract
Interactions between diet and gastrointestinal microbiota influence health status and outcomes. Evaluating these relationships requires accurate quantification of dietary variables relevant to microbial metabolism, however current dietary assessment methods focus on dietary components relevant to human digestion only. The aim of this study was to synthesize research on foods and nutrients that influence human gut microbiota and thereby identify knowledge gaps to inform dietary assessment advancements toward better understanding of diet-microbiota interactions. Thirty-eight systematic reviews and 106 primary studies reported on human diet-microbiota associations. Dietary factors altering colonic microbiota included dietary patterns, macronutrients, micronutrients, bioactive compounds, and food additives. Reported diet-microbiota associations were dominated by routinely analyzed nutrients, which are absorbed from the small intestine but analyzed for correlation to stool microbiota. Dietary derived microbiota-relevant nutrients are more challenging to quantify and underrepresented in included studies. This evidence synthesis highlights advancements needed, including opportunities for expansion of food composition databases to include microbiota-relevant data, particularly for human intervention studies. These advances in dietary assessment methodology will facilitate translation of microbiota-specific nutrition therapy to practice.
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Affiliation(s)
- Kerith Duncanson
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Georgina Williams
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Emily C. Hoedt
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Clare E. Collins
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Simon Keely
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
| | - Nicholas J. Talley
- NHMRC Centre of Research Excellence in Digestive Health, University of Newcastle, Newcastle, NSW, Australia
- Immune Health Program, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- School of Medicine & Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
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Chen C, Zhang Y, Yao X, Yan Q, Li S, Zhong Q, Liu Z, Tang F, Liu C, Li H, Zhu D, Lan W, Ling Y, Lu D, Xu H, Ning Q, Wang Y, Jiang Z, Zhang Q, Gu G, Sun L, Wang N, Wang G, Zhang A, Ullah H, Sun W, Ma W. Characterizations of the multi-kingdom gut microbiota in Chinese patients with gouty arthritis. BMC Microbiol 2023; 23:363. [PMID: 38001408 PMCID: PMC10668524 DOI: 10.1186/s12866-023-03097-0] [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: 06/15/2023] [Accepted: 10/30/2023] [Indexed: 11/26/2023] Open
Abstract
OBJECTIVE The gut microbial composition has been linked to metabolic and autoimmune diseases, including arthritis. However, there is a dearth of knowledge on the gut bacteriome, mycobiome, and virome in patients with gouty arthritis (GA). METHODS We conducted a comprehensive analysis of the multi-kingdom gut microbiome of 26 GA patients and 28 healthy controls, using whole-metagenome shotgun sequencing of their stool samples. RESULTS Profound alterations were observed in the gut bacteriome, mycobiome, and virome of GA patients. We identified 1,117 differentially abundant bacterial species, 23 fungal species, and 4,115 viral operational taxonomic units (vOTUs). GA-enriched bacteria included Escherichia coli_D GENOME144544, Bifidobacterium infantis GENOME095938, Blautia_A wexlerae GENOME096067, and Klebsiella pneumoniae GENOME147598, while control-enriched bacteria comprised Faecalibacterium prausnitzii_G GENOME147678, Agathobacter rectalis GENOME143712, and Bacteroides_A plebeius_A GENOME239725. GA-enriched fungi included opportunistic pathogens like Cryptococcus neoformans GCA_011057565, Candida parapsilosis GCA_000182765, and Malassezia spp., while control-enriched fungi featured several Hortaea werneckii subclades and Aspergillus fumigatus GCA_000002655. GA-enriched vOTUs mainly attributed to Siphoviridae, Myoviridae, Podoviridae, and Microviridae, whereas control-enriched vOTUs spanned 13 families, including Siphoviridae, Myoviridae, Podoviridae, Quimbyviridae, Phycodnaviridae, and crAss-like. A co-abundance network revealed intricate interactions among these multi-kingdom signatures, signifying their collective influence on the disease. Furthermore, these microbial signatures demonstrated the potential to effectively discriminate between patients and controls, highlighting their diagnostic utility. CONCLUSIONS This study yields crucial insights into the characteristics of the GA microbiota that may inform future mechanistic and therapeutic investigations.
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Affiliation(s)
- Changming Chen
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Yue Zhang
- Puensum Genetech Institute, Wuhan, China
| | - Xueming Yao
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Qiulong Yan
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | | | - Qin Zhong
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Zhengqi Liu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Fang Tang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Can Liu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Hufan Li
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Dan Zhu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Weiya Lan
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Yi Ling
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Daomin Lu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Hui Xu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Qiaoyi Ning
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Ying Wang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Zong Jiang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Qiongyu Zhang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Guangzhao Gu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Liping Sun
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Nan Wang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Guangyang Wang
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | | | - Hayan Ullah
- Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China
| | - Wen Sun
- Key Laboratory of Health Cultivation of the Ministry of Education, Beijing University of Chinese Medicine, Beijing, China.
| | - Wukai Ma
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China.
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Tsan L, Sun S, Hayes AMR, Bridi L, Chirala LS, Noble EE, Fodor AA, Kanoski SE. Early life Western diet-induced memory impairments and gut microbiome changes in female rats are long-lasting despite healthy dietary intervention. Nutr Neurosci 2022; 25:2490-2506. [PMID: 34565305 PMCID: PMC8957635 DOI: 10.1080/1028415x.2021.1980697] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Western diet consumption during adolescence results in hippocampus (HPC)-dependent memory impairments and gut microbiome dysbiosis. Whether these adverse outcomes persist in adulthood following healthy dietary intervention is unknown. Here we assessed the short- and long-term effects of adolescent consumption of a Western diet enriched with either sugar or both sugar and fat on metabolic outcomes, HPC function, and gut microbiota. METHODS Adolescent female rats (PN 26) were fed a standard chow diet (CHOW), chow with access to 11% sugar solution (SUG), or a junk food cafeteria-style diet (CAF) containing various foods high in fat and/or sugar. During adulthood (PN 65+), metabolic outcomes, HPC-dependent memory, and gut microbial populations were evaluated. In a subsequent experiment, these outcomes were evaluated following a 5-week dietary intervention where CAF and SUG groups were maintained on standard chow alone. RESULTS Both CAF and SUG groups demonstrated impaired HPC-dependent memory, increased adiposity, and altered gut microbial populations relative to the CHOW group. However, impaired peripheral glucose regulation was only observed in the SUG group. When examined following a healthy dietary intervention in a separate experiment, metabolic dysfunction was not observed in either the CAF or SUG group, whereas HPC-dependent memory impairments were observed in the CAF but not the SUG group. In both groups the composition of the gut microbiota remained distinct from CHOW rats after the dietary intervention. CONCLUSIONS While the metabolic impairments associated with adolescent junk food diet consumption are not present in adulthood following dietary intervention, the HPC-dependent memory impairments and the gut microbiome dysbiosis persist.
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Affiliation(s)
- Linda Tsan
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, USA
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, USA
| | - Shan Sun
- Department of Bioinformatics and Genomics at the University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Anna M. R. Hayes
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, USA
| | - Lana Bridi
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, USA
| | - Lekha S. Chirala
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, USA
| | - Emily E. Noble
- Department of Foods and Nutrition, University of Georgia, Athens, GA, USA
| | - Anthony A. Fodor
- Department of Bioinformatics and Genomics at the University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Scott E. Kanoski
- Neuroscience Graduate Program, University of Southern California, Los Angeles, CA, USA
- Department of Biological Sciences, Human and Evolutionary Biology Section, University of Southern California, Los Angeles, CA, USA
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Microencapsulation of Bacteriophages for the Delivery to and Modulation of the Human Gut Microbiota through Milk and Cereal Products. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12136299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
There is a bidirectional interaction between the gut microbiota and human health status. Disturbance of the microbiota increases the risk of pathogen infections and other diseases. The use of bacteriophages as antibacterial therapy or prophylaxis is intended to counteract intestinal disorders. To deliver bacteriophages unharmed into the gut, they must be protected from acidic conditions in the stomach. Therefore, an encapsulation method based on in situ complexation of alginate (2%), calcium ions (0.5%), and milk proteins (1%) by spray drying was investigated. Powdered capsules with particle sizes of ~10 µm and bacteriophage K5 titers of ~108 plaque forming units (pfu) g−1 were obtained. They protected the bacteriophages from acid (pH 2.5) in the stomach for 2 h and released them within 30 min under intestinal conditions (in vitro). There was no loss of viability during storage over two months (4 °C). Instead of consuming bacteriophage capsules in pure form (i.e., as powder/tablets), they could be inserted into food matrices, as exemplary shown in this study using cereal cookies as a semi-solid food matrix. By consuming bacteriophages in combination with probiotic organisms (e.g., via yoghurt with cereal cookies), probiotics could directly repopulate the niches generated by bacteriophages and, thus, contribute to a healthier life.
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Telle-Hansen VH, Gaundal L, Høgvard B, Ulven SM, Holven KB, Byfuglien MG, Måge I, Knutsen SH, Ballance S, Rieder A, Rud I, Myhrstad MCW. A Three-Day Intervention With Granola Containing Cereal Beta-Glucan Improves Glycemic Response and Changes the Gut Microbiota in Healthy Individuals: A Crossover Study. Front Nutr 2022; 9:796362. [PMID: 35578615 PMCID: PMC9106798 DOI: 10.3389/fnut.2022.796362] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 04/05/2022] [Indexed: 11/30/2022] Open
Abstract
Intake of soluble fibers including beta-glucan, is known to improve post-prandial glycemic response. The mechanisms have been attributed to the viscous gel forming in the stomach and small intestine, giving a longer absorption time. However, recent evidence suggests a link between intake of beta-glucan and improved glycemic regulation at subsequent meals through the gut microbiota. We investigated the short-term effect of granola with different amounts of cereal beta-glucan on glycemic response and gut microbiota. After a two-week run-in period (baseline), fourteen healthy, normal weight adults completed a dose-response dietary crossover study. Different amounts of cereal beta-glucan (low: 0.8 g, medium: 3.2 g and high: 6.6 g) were provided in granola and eaten with 200 ml low-fat milk as an evening meal for three consecutive days. Blood glucose and insulin were measured fasted and after an oral glucose tolerance test (OGTT) the following day, in addition to peptide YY (PYY) and glucagon-like peptide (GLP-2), fasting short chain fatty acids (SCFA) in blood, breath H2, and gut microbiota in feces. Only the intervention with medium amounts of beta-glucan decreased blood glucose and insulin during OGTT compared to baseline. Fasting PYY increased with both medium and high beta-glucan meal compared to the low beta-glucan meal. The microbiota and SCFAs changed after all three interventions compared to baseline, where acetate and butyrate increased, while propionate was unchanged. Highest positive effect size after intake of beta-glucan was found with Haemophilus, followed by Veillonella and Sutterella. Furthermore, we found several correlations between different bacterial taxa and markers of glycemic response. In summary, intake of granola containing 3.2 g cereal beta-glucan as an evening meal for three consecutive days reduced the glycemic response after an OGTT 0-180 min and changed gut microbiota composition. Since we cannot rule out that other fiber types have contributed to the effect, more studies are needed to further explore the effect of cereal beta-glucan on glycemic regulation. Clinical Trial Registration [www.clinicaltrials.gov], identifier [NCT03293693].
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Affiliation(s)
- Vibeke H. Telle-Hansen
- Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
| | - Line Gaundal
- Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
| | - Benedicte Høgvard
- Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
| | - Stine M. Ulven
- Department of Nutrition, Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Kirsten B. Holven
- Department of Nutrition, Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
- The Norwegian National Advisory Unit on Familial Hypercholesterolemia, Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | | | - Ingrid Måge
- Nofima AS (Norwegian Institute of Food, Fisheries and Aquaculture Research), Ås, Norway
| | - Svein Halvor Knutsen
- Nofima AS (Norwegian Institute of Food, Fisheries and Aquaculture Research), Ås, Norway
| | - Simon Ballance
- Nofima AS (Norwegian Institute of Food, Fisheries and Aquaculture Research), Ås, Norway
| | - Anne Rieder
- Nofima AS (Norwegian Institute of Food, Fisheries and Aquaculture Research), Ås, Norway
| | - Ida Rud
- Nofima AS (Norwegian Institute of Food, Fisheries and Aquaculture Research), Ås, Norway
| | - Mari C. W. Myhrstad
- Department of Nursing and Health Promotion, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
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Xiong W, Devkota L, Zhang B, Muir J, Dhital S. Intact cells: “Nutritional capsules” in plant foods. Compr Rev Food Sci Food Saf 2022; 21:1198-1217. [DOI: 10.1111/1541-4337.12904] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/23/2021] [Accepted: 12/13/2021] [Indexed: 12/12/2022]
Affiliation(s)
- Weiyan Xiong
- Department of Chemical and Biological Engineering Monash University Clayton Campus, VIC 3800 Australia
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety South China University of Technology Guangzhou Guangdong P. R. China
| | - Lavaraj Devkota
- Department of Chemical and Biological Engineering Monash University Clayton Campus, VIC 3800 Australia
| | - Bin Zhang
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety South China University of Technology Guangzhou Guangdong P. R. China
| | - Jane Muir
- Department of Gastroenterology Central Clinical School, Monash University Melbourne Victoria Australia
| | - Sushil Dhital
- Department of Chemical and Biological Engineering Monash University Clayton Campus, VIC 3800 Australia
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Kim EHJ, Wilson A, Motoi L, Mishra SD, Monro JA, Parkar SG, Rosendale D, Stoklosinski H, Jobsis CMH, Wadamori Y, Hedderley D, Morgenstern M. Chewing differences in consumers affect the digestion and colonic fermentation outcomes: In vitro studies. Food Funct 2022; 13:9355-9371. [DOI: 10.1039/d1fo04364a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
It is important to understand variability in consumer chewing behavior for designing food products that deliver desired functionalities for target consumer segments. In this study, we selected 29 participants, representing...
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Paudel D, Dhungana B, Caffe M, Krishnan P. A Review of Health-Beneficial Properties of Oats. Foods 2021; 10:foods10112591. [PMID: 34828872 PMCID: PMC8625765 DOI: 10.3390/foods10112591] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/28/2021] [Accepted: 10/23/2021] [Indexed: 12/31/2022] Open
Abstract
Oat is among the food crops and ancient grains cultivated and consumed worldwide. It is gaining in popularity owing to its nutritional composition and multifunctional benefits of select bioactive compounds. Beta-glucan is an important component of dietary fiber found in oat grains. It is the major active compound in oats with proven cholesterol-lowering and antidiabetic effects. Oats also provide substantial levels of other bioactive compounds such as phenolic acids, tocols, sterols, avenacosides, and avenanthramides. The consumption of oats has been determined to be beneficial for human health by promoting immunomodulation and improving gut microbiota. In addition, oat consumption assists in preventing diseases such as atherosclerosis, dermatitis, and some forms of cancer. While much has been published in relation to oat nutrients and oat fibers and their impact on major diseases, the oat industries and consumers may benefit from greater knowledge and understanding of clinical effects, range of occurrence, distribution, therapeutic doses and food functional attributes of other oat bioactives such as avenanthramides and saponins as well as other anti-inflammatory agents found in the cereal. This review focuses on the various studies relevant to the contribution of the consumption of oats and oat-based products in preventing human diseases and promoting human health.
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Affiliation(s)
- Devendra Paudel
- Dairy and Food Science Department, South Dakota State University, Brookings, SD 57007, USA;
| | - Bandana Dhungana
- Department of Agronomy, Horticulture and Plant Science, South Dakota State University, Brookings, SD 57007, USA; (B.D.); (M.C.)
| | - Melanie Caffe
- Department of Agronomy, Horticulture and Plant Science, South Dakota State University, Brookings, SD 57007, USA; (B.D.); (M.C.)
| | - Padmanaban Krishnan
- Dairy and Food Science Department, South Dakota State University, Brookings, SD 57007, USA;
- Correspondence:
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Valido E, Stoyanov J, Bertolo A, Hertig-Godeschalk A, Zeh RM, Flueck JL, Minder B, Stojic S, Metzger B, Bussler W, Muka T, Kern H, Glisic M. Systematic Review of the Effects of Oat Intake on Gastrointestinal Health. J Nutr 2021; 151:3075-3090. [PMID: 34486656 DOI: 10.1093/jn/nxab245] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/27/2021] [Accepted: 06/28/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Oats are a food source with multiple health benefits that could support beneficial bacterial groups and provide important bioactive compounds for the gut. OBJECTIVES This review explores the association between oat intake, gastrointestinal (GI) symptoms, and microbial community changes in individuals with celiac disease (CeD), irritable bowel syndrome (IBS), and inflammatory bowel disease (IBD) and without GI disease. METHODS Four databases and Google Scholar were systematically searched from inception until April 29, 2021. Clinical trials, observational studies, and in vitro studies with human gut-derived samples were included. RESULTS There were 84 articles [23 randomized controlled trials (RCTs), 21 nonrandomized trials, 8 observational studies, and 32 in vitro studies] included. Oat intake increased total bacterial count, Lactobacilli spp., and Bifidobacterium spp. in healthy individuals and those with CeD. There was an increased concentration of short-chain fatty acids and improved gut permeability with oat intake but with no significant quality-of-life difference. In some individuals with CeD, consumption of certain oat types was associated with worsening of GI symptoms. We found no studies reporting on IBS and only 3 for IBD. The quality of RCTs showed some concerns mostly in domains of randomization (73.9%), whereas the quality of evidence of non-RCTs, observational studies, and in vitro studies was satisfactory. CONCLUSIONS Oat intake was associated with the increase of beneficial bacterial groups in individuals without GI disease and those with CeD. Most studies showed no changes in GI symptoms with oat consumption. In vitro studies in CeD provide insight to oat-sensitive individuals and their GI mucosa, but the clinical studies remain limited, precluding our ability to draw firm conclusions. The prevalence of oat sensitivity in individuals with CeD should be further explored as this could improve clinical management and facilitate inclusion of oat in the diet for this population.
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Affiliation(s)
- Ezra Valido
- Swiss Paraplegic Research, Nottwil, Switzerland
- Department of Health Sciences, University of Lucerne, Lucerne, Switzerland
| | | | | | | | | | | | - Beatrice Minder
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
| | - Stevan Stojic
- Department of Health Sciences, University of Lucerne, Lucerne, Switzerland
| | - Brandon Metzger
- Standard Process Nutrition Innovation Center, Kannapolis, NC, USA
| | - Weston Bussler
- Standard Process Nutrition Innovation Center, Kannapolis, NC, USA
| | - Taulant Muka
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
| | - Hua Kern
- Standard Process Nutrition Innovation Center, Kannapolis, NC, USA
| | - Marija Glisic
- Swiss Paraplegic Research, Nottwil, Switzerland
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
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Zeyneb H, Pei H, Cao X, Wang Y, Win Y, Gong L. In vitro study of the effect of quinoa and quinoa polysaccharides on human gut microbiota. Food Sci Nutr 2021; 9:5735-5745. [PMID: 34646541 PMCID: PMC8498072 DOI: 10.1002/fsn3.2540] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 08/04/2021] [Accepted: 08/09/2021] [Indexed: 12/24/2022] Open
Abstract
It has been shown that whole grains and dietary fiber are important for their fermentation characteristics in the large intestine, drawing more and more attention to quinoa and quinoa polysaccharides. In this study, we evaluated the prebiotic effect of quinoa seeds and quinoa polysaccharides after human simulated digestion. The modulatory effect of the quinoa and quinoa polysaccharides (QPs) on the gut microbiota was evaluated by the in vitro fermentation using human fecal microbiota. The yield of polysaccharides extraction was 15.45%. The digestibility of the cooked and uncooked quinoa after simulation of human digestion was 69.04% and 64.09%, respectively. The effect on the microbiota composition and their metabolic products was determined by the assessment of pH, short-chain fatty acids (SCFAs), and changes in the bacterial population. After 24 hr anaerobic incubation, the total SCFAs of cooked, uncooked quinoa, and quinoa polysaccharides were 82.99, 77.11, and 82.73 mM, respectively with a pH decrease. At the phylum, genus, and class level, it has been found that the quinoa substrates enhance the growth of certain beneficial bacteria such as Prevotella and Bacteroides. Quinoa polysaccharides can be considered prebiotic due to their ability to increase Bifidobacterium and Collinsella. Principal component analysis (PCA) showed that there was a distinct modulating effect on the fecal microbiota which represents different distribution. Our research suggests that quinoa and quinoa polysaccharides have a prebiotic potential due to their association with the positive shifts in microbiota composition and short-chain fatty acids production, which highlights the importance of further studies around this topic.
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Affiliation(s)
- Hitache Zeyneb
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology & Business UniversityBeijingChina
| | - Hairun Pei
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology & Business UniversityBeijingChina
| | - Xueli Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology & Business UniversityBeijingChina
| | - Yuxin Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology & Business UniversityBeijingChina
| | - Yumon Win
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology & Business UniversityBeijingChina
| | - Lingxiao Gong
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology & Business UniversityBeijingChina
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12
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In vitro-in vivo Validation of Stimulatory Effect of Oat Ingredients on Lactobacilli. Pathogens 2021; 10:pathogens10020235. [PMID: 33669689 PMCID: PMC7922649 DOI: 10.3390/pathogens10020235] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/09/2021] [Accepted: 02/11/2021] [Indexed: 02/06/2023] Open
Abstract
The prebiotic activity of a commercially available oat product and a novel oat ingredient, at similar β-glucan loads, was tested using a validated in vitro gut model (M-SHIME®). The novel oat ingredient was tested further at lower β-glucan loads in vitro, while the commercially available oat product was assessed in a randomised, single-blind, placebo-controlled, and cross-over human study. Both approaches focused on healthy individuals with mild hypercholesterolemia. In vitro analysis revealed that both oat products strongly stimulated Lactobacillaceae and Bifidobacteriaceae in the intestinal lumen and the simulated mucus layer, and corresponded with enhanced levels of acetate and lactate with cross-feeding interactions leading to an associated increase in propionate and butyrate production. The in vitro prebiotic activity of the novel oat ingredient remained at lower β-glucan levels, indicating the prebiotic potential of the novel oat product. Finally, the stimulation of Lactobacillus spp. was confirmed during the in vivo trial, where lactobacilli abundance significantly increased in the overall population at the end of the intervention period with the commercially available oat product relative to the control product, indicating the power of in vitro gut models in predicting in vivo response of the microbial community to dietary modulation.
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13
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Williams GM, Tapsell LC, O'Brien CL, Tosh SM, Barrett EM, Beck EJ. Gut microbiome responses to dietary intake of grain-based fibers with the potential to modulate markers of metabolic disease: a systematic literature review. Nutr Rev 2020; 79:1274-1292. [PMID: 33369654 DOI: 10.1093/nutrit/nuaa128] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
CONTEXT Cereal fiber modulates the gut microbiome and benefits metabolic health. The potential link between these effects is of interest.0. OBJECTIVE The aim for this systematic review was to assess evidence surrounding the influence of cereal fiber intake on microbiome composition, microbiome diversity, short-chain fatty acid production, and risk factors for metabolic syndrome. DATA SOURCES AND EXTRACTION The MEDLINE, PubMed, CINAHL, and Cochrane Library databases were searched systematically, and quality of studies was assessed using the Cochrane Risk of Bias 2.0 tool. Evidence relating to study design, dietary data collection, and outcomes was qualitatively synthesized on the basis of fiber type. DATA ANALYSIS Forty-six primary publications and 2 secondary analyses were included. Cereal fiber modulated the microbiome in most studies; however, taxonomic changes indicated high heterogeneity. Short-chain fatty acid production, microbiome diversity, and metabolic-related outcomes varied and did not always occur in parallel with microbiome changes. Poor dietary data were a further limitation. CONCLUSIONS Cereal fiber may modulate the gut microbiome; however, evidence of the link between this and metabolic outcomes is limited. Additional research is required with a focus on robust and consistent methodology. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42018107117.
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Affiliation(s)
- Georgina M Williams
- School of Medicine, Science, Medicine and Health, University of Wollongong, and the Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
| | - Linda C Tapsell
- School of Medicine, Science, Medicine and Health, University of Wollongong, and the Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
| | - Claire L O'Brien
- Australian National University, Canberra, Australian Capital Territory, Australia
| | - Susan M Tosh
- Faculty of Health Sciences, University of Ottawa, Ottawa, Canada
| | - Eden M Barrett
- School of Medicine, Science, Medicine and Health, University of Wollongong, and the Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
| | - Eleanor J Beck
- School of Medicine, Science, Medicine and Health, University of Wollongong, and the Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
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14
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Impact of processing degree on fermentation profile and chemopreventive effects of oat and waxy barley in LT97 colon adenoma cells. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03645-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
AbstractThe chemopreventive effects of β-glucan-rich cereals such as oat and barley (beta®barley) have been examined previously, but studies comparing fermentation characteristics and chemopreventive effects of oat and barley of different processing stages are rare. Therefore, the present study aims at investigating the fermentation end points (pH values, concentrations of short-chain fatty acids (SCFA) and ammonia) in fermentation supernatants (FS) obtained from differently processed oat and barley samples (kernels, thick and thin flakes). Chemopreventive effects of FS, such as growth inhibition, apoptosis, and induction of cell cycle- and redox-relevant genes (p21, SOD2), were analysed in LT97 colon adenoma cells. After fermentation, pH values were reduced (∆ pH − 1.3, on average) and SCFA concentrations were increased (∆ + 59 mmol/L, on average) with a shift towards butyrate formation in FS obtained from oat and barley samples compared to the fermentation negative control (FS blank). Ammonia was reduced more effectively in FS obtained from barley (∆ − 4.6 mmol/L, on average) than from oat samples (∆ − 1.0 mmol/L, on average). Treatment of LT97 cells with FS resulted in a time- and dose-dependent reduction of cell number, an increase in caspase-3 activity (up to 9.0-fold after 24 h, on average) and an induction of p21 (2.1-fold, on average) and SOD2 (2.3-fold, on average) mRNA expression, while no genotoxic effects were observed. In general, the results indicate no concrete effect of the type of cereal or processing stage on fermentation and chemopreventive effects of oat and barley.
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15
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Ye M, Sun J, Chen Y, Ren Q, Li Z, Zhao Y, Pan Y, Xue H. Oatmeal induced gut microbiota alteration and its relationship with improved lipid profiles: a secondary analysis of a randomized clinical trial. Nutr Metab (Lond) 2020; 17:85. [PMID: 33042205 PMCID: PMC7542720 DOI: 10.1186/s12986-020-00505-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 09/21/2020] [Indexed: 12/16/2022] Open
Abstract
Background In vitro and animal experiments reported a microbiota-regulating ability of oatmeal, however, related in vivo evidences remained limited. Thus, we conducted this study aiming to investigate the oatmeal-induced alteration of gut microbiota and its potential relationship with the improvements of lipid profiles. Methods and study design Data of anthropometric measurements and biochemical parameters were extracted from a randomized, controlled clinical trial, in which 62 hypercholesterolemic men and women (18-65 years old) were provided with either treatment of 80 g/day oatmeal or 80 g/day refined white rice for 45 days. Fasting blood samples and fecal samples were collected both at baseline and endpoint of the study for lipid profiling and microbiota 16S rRNA amplicon sequencing, respectively. Results Totally 28 participants (56 fecal samples) qualified with the new criteria and were thus included in this secondary analysis. The results of microbiota analysis showed that no significant difference was observed in the alteration of its overall α or β diversity between two groups throughout the study. Nor did any notable between-group difference was found in the relative abundance changes of microorganism at different taxonomies. However, results from linear discriminant analysis effect size in the oatmeal group indicated a significant positive response of Firmicutes phylum following oatmeal consumption. Further Procrustes analysis suggested a concordance trend between microorganism alteration and alleviation of hypercholesterolemia phenotypes throughout the study (P = 0.05). The results of within-group comparison from Spearman's correlation in the oatmeal group demonstrated a significant association between the enrichment of Blautia genus and the reduction of serum total cholesterol (P < 0.05), low-density lipoprotein cholesterol (P < 0.01), and apolipoprotein B (P < 0.05). Conclusions Positive response of Firmicutes phylum might be a critical characteristic of oatmeal-induced alteration of microbiota, whereas, one of the underlying cholesterol-lowering mechanism of oatmeal consumption might be its microbiota-manipulating ability, in which the enrichment of Blautia genus played a potentially significant role. Current results should be taken cautiously and more studies were needed for further verification.Trial registration: ChiCTR, ChiCTR180001864. Registered 30 September 2018, http://www.chictr.org.cn/showproj.aspx?proj=31469.
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Affiliation(s)
- Mengyao Ye
- Clinical Nutrition Center, Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
| | - Jianqin Sun
- Clinical Nutrition Center, Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
| | - Yanqiu Chen
- Clinical Nutrition Center, Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
| | - Qian Ren
- Clinical Nutrition Center, Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
| | - Zhen Li
- Clinical Nutrition Center, Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
| | - Yanfang Zhao
- Clinical Nutrition Center, Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
| | - Yiru Pan
- Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
| | - Huijun Xue
- Huadong Hospital Affiliated to Fudan University, 221 West Yan'an Road, Shanghai, 200040 People's Republic of China
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16
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Whole grain cereal fibers and their support of the gut commensal Clostridia for health. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.bcdf.2020.100245] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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17
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Usta-Gorgun B, Yilmaz-Ersan L. Short-chain fatty acids production by Bifidobacterium species in the presence of salep. ELECTRON J BIOTECHN 2020. [DOI: 10.1016/j.ejbt.2020.06.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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18
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Korczak R, Kocher M, Swanson KS. Effects of oats on gastrointestinal health as assessed by in vitro, animal, and human studies. Nutr Rev 2020; 78:343-363. [PMID: 31638148 DOI: 10.1093/nutrit/nuz064] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Oats are uniquely nutritious, owing to their composition of bioactive compounds, lipids, and β-glucan. Scientific research has established that oats can improve diet quality, reduce cholesterol, regulate satiety, and protect against carcinogenesis in the colon; however, determining the effects of oats on gastrointestinal health and the gut microbiome is a newer, evolving area of research. To better understand the effects of oats on gastrointestinal health in humans, a literature review with predefined search criteria was conducted using the PubMed database and keywords for common gastrointestinal health outcomes. Moreover, to examine the gastrointestinal effects of oats across the scientific spectrum, a similar search strategy was executed to identify animal studies. In vitro studies were identified from the reference lists of human and animal studies. A total of 8 human studies, 19 animal studies, and 5 in vitro studies met the inclusion criteria for this review. The evidence in humans shows beneficial effects of oats on gastrointestinal health, with supportive evidence provided by in vitro and animal studies. The effective dose of oats varies by type, although an amount providing 2.5 to 2.9 g of β-glucan per day was shown to decrease fecal pH and alter fecal bacteria. For oat bran, 40 to 100 g/d was shown to increase fecal bacterial mass and short-chain fatty acids in humans. Differences in study design, methodology, and type of oats tested make valid comparisons difficult. The identification of best practices for the design of oat studies should be a priority in future research, as the findings will be useful for determining how oats influence specific indices of gastrointestinal health, including the composition of the human gut microbiome.
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Affiliation(s)
- Renee Korczak
- Department of Food Science and Nutrition, University of Minnesota, St Paul, Minnesota, USA
| | - Megan Kocher
- University of Minnesota Libraries, St Paul, Minnesota, USA
| | - Kelly S Swanson
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
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19
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Glei M, Zetzmann S, Lorkowski S, Dawczynski C, Schlörmann W. Chemopreventive effects of raw and roasted oat flakes after in vitro fermentation with human faecal microbiota. Int J Food Sci Nutr 2020; 72:57-69. [PMID: 32482126 DOI: 10.1080/09637486.2020.1772205] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The aim of the present study was to analyse chemopreventive effects of oat flakes under consideration of processing. Thin and thick flakes were roasted and subjected to an in vitro digestion and fermentation. Fermentation supernatants (FS) were characterised and chemopreventive effects were analysed in LT97 colon adenoma cells. Compared to the fermentation control, pH values were decreased (from pH 6.3 to pH 5.0) and concentrations of SCFA, in particular butyrate, were increased in oat FS (2.6-fold, on average). Ammonia levels were not altered. Oat FS significantly decreased cell growth time- and dose-dependently. Caspase 3 activity was significantly increased (9.7-fold, on average). Oat FS slightly increased the mRNA expression of CAT (2.0-fold), SOD2 (1.7-fold) and GSTP1 (2.8-fold), on average, while GPX1 mRNA (0.3-fold) was decreased. The results indicate a chemopreventive potential of in vitro digested oat flakes regarding colon cancer development mediated mostly by growth inhibition and apoptosis, unaffected by roasting.
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Affiliation(s)
- Michael Glei
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany
| | - Silvana Zetzmann
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Stefan Lorkowski
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany.,Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Christine Dawczynski
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany.,Junior Research Group Nutritional Concepts, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany
| | - Wiebke Schlörmann
- Department of Nutritional Toxicology, Institute of Nutritional Sciences, Friedrich Schiller University Jena, Jena, Germany.,Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Jena, Germany
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20
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Wang M, Huang H, Hu Y, Huang J, Yang H, Wang L, Chen S, Chen C, He S. Effects of dietary microencapsulated tannic acid supplementation on the growth performance, intestinal morphology, and intestinal microbiota in weaning piglets. J Anim Sci 2020; 98:skaa112. [PMID: 32255185 PMCID: PMC7199885 DOI: 10.1093/jas/skaa112] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/04/2020] [Indexed: 12/22/2022] Open
Abstract
Antibiotics are commonly overused to reduce weaning stress that leads to economic loss in swine production. As potential substitutes of antibiotics, plant extracts have attracted the attention of researchers. However, one of the plant extracts, tannic acid (TA), has an adverse effect on the growth performance, palatability, and intestinal absorption in weaning piglets when used at a large amount. Thus, this study aimed to investigate the effects of a proper dose of microencapsulated TA on the growth performance, organ and intestinal development, intestinal morphology, intestinal nutrient transporters, and colonic microbiota in weaning piglets. Forty-five Duroc × [Landrace × Yorkshire] (initial body weight = 5.99 ± 0.13 kg, weaned days = 21 d) piglets were randomly divided into five treatment groups (n = 9) and raised in 14 d. The piglets in the control group were raised on a basal diet; the piglets in the antibiotic test group were raised on a basal diet with three antibiotics (375 mg/kg Chlortetracycline 20%, 500 mg/kg Enramycin 4%, 1,500 mg/kg Oxytetracycline calcium 20%); and the other three groups were raised on a basal diet with three doses of microencapsulated TA (TA1, 500 mg/kg; TA2, 1,000 mg/kg; TA3, 1,500 mg/kg). All the piglets were raised in the same environment and given the same amount of nutrients for 2 wk. The results showed that both TA1 and TA2 groups had no adverse effect on the growth performance, organ weight and intestinal growth, and the pH value of gastrointestinal content. TA2 treatment improved the duodenal morphology (P < 0.05), increased the gene expression level of solute carrier family 6, member 19 and solute carrier family 15, member 1 (P < 0.05) in the ileum, and modulated the colonic bacteria composition (P < 0.05), but inhibited the activity of maltase in the ileum (P < 0.05) and the jejunal gene expression level of solute carrier family 5, member 1 (P < 0.05). In conclusion, our study suggests that a dosage between 500 and 1,000 mg/kg of microencapsulated TA is safe to be included in the swine diet and that 1,000 mg/kg of microencapsulated TA has beneficial effects on intestinal morphology, intestinal nutrient transporter, and intestinal microbiota in weaning piglets. These findings provide new insights into suitable alternatives to antibiotics for improving growth performance and colonic microbiota.
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Affiliation(s)
- Meiwei Wang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, School of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Huijun Huang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, School of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Yangping Hu
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, School of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Jing Huang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, School of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Huansheng Yang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, School of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Lei Wang
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, School of Life Sciences, Hunan Normal University, Changsha, Hunan, China
| | - Shuai Chen
- Chinese Academy of Science, Institute of Subtropical Agriculture, Research Center for Healthy Breeding of Livestock and Poultry, Hunan Engineering and Research Center of Animal and Poultry Science and Key Laboratory for Agroecological Processes in Subtropical Region, Scientific Observation and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan, China
| | - Chiqing Chen
- Wufeng Chicheng Biotechnology Company Limited, Yichang, Hubei, China
| | - Shanping He
- State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, School of Life Sciences, Hunan Normal University, Changsha, Hunan, China
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21
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Fu J, Zhang Y, Hu Y, Zhao G, Tang Y, Zou L. Concise review: Coarse cereals exert multiple beneficial effects on human health. Food Chem 2020; 325:126761. [PMID: 32387947 DOI: 10.1016/j.foodchem.2020.126761] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/23/2020] [Accepted: 04/05/2020] [Indexed: 02/08/2023]
Abstract
Coarse cereals (CC) refer to cereal grains except for rice and wheat which are highly-valued as functional foods with nutritional and pharmacological properties. Owing to their diverse positive effect on chronic diseases, coarse cereals exert a vital role in food industry. CC and the main contents prevent tumor pathogenesis through promoting apoptosis, inducing cell cycle arrest as well as modulating metastasis initiation. Meanwhile, CC ameliorates cardiovascular diseases through affecting multiple pathways, such as CaMKII/p-BFAF-3, NF-κB, MAPK, PI3K/Akt, etc. Besides, CC and the main contents have potential as prebiotics which facilitating the activities and growth of probiotics such as Bifidobacteria and Lactobacillus. However, there's a lack of report on CC' beneficial properties and the underlying mechanisms are not fully understood. Here this article explains in detail, the effect and mechanism of CC on chronic diseases like tumor, inflammation and cardiovascular diseases.
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Affiliation(s)
- Jia Fu
- School of Medicine, Chengdu University, No. 2025, Cheng Luo Road, Chengdu 610106, Sichuan, China
| | - Yan Zhang
- School of Medicine, Chengdu University, No. 2025, Cheng Luo Road, Chengdu 610106, Sichuan, China
| | - Yichen Hu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, No. 2025, Cheng Luo Road, Chengdu 610106, Sichuan, China
| | - Gang Zhao
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, No. 2025, Cheng Luo Road, Chengdu 610106, Sichuan, China
| | - Yong Tang
- School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, No.1166, Liutai Avenue, Wenjiang District, Chengdu 611137, Sichuan, China.
| | - Liang Zou
- School of Medicine, Chengdu University, No. 2025, Cheng Luo Road, Chengdu 610106, Sichuan, China.
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22
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Frame LA, Costa E, Jackson SA. Current explorations of nutrition and the gut microbiome: a comprehensive evaluation of the review literature. Nutr Rev 2020; 78:798-812. [DOI: 10.1093/nutrit/nuz106] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Abstract
Context
The ability to measure the gut microbiome led to a surge in understanding and knowledge of its role in health and disease. The diet is a source of fuel for and influencer of composition of the microbiome.
Objective
To assess the understanding of the interactions between nutrition and the gut microbiome in healthy adults.
Data Sources
PubMed and Google Scholar searches were conducted in March and August 2018 and were limited to the following: English, 2010–2018, healthy adults, and reviews.
Data Extraction
A total of 86 articles were independently screened for duplicates and relevance, based on preidentified inclusion criteria.
Data Analysis
Research has focused on dietary fiber – microbiota fuel. The benefits of fiber center on short-chain fatty acids, which are required by colonocytes, improve absorption, and reduce intestinal transit time. Contrastingly, protein promotes microbial protein metabolism and potentially harmful by-products that can stagnate in the gut. The microbiota utilize and produce micronutrients; the bidirectional relationship between micronutrition and the gut microbiome is emerging.
Conclusions
Nutrition has profound effects on microbial composition, in turn affecting wide-ranging metabolic, hormonal, and neurological processes. There is no consensus on what defines a “healthy” gut microbiome. Future research must consider individual responses to diet.
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Affiliation(s)
- Leigh A Frame
- The George Washington School of Medicine and Health Sciences, Washington, USA
| | - Elise Costa
- The George Washington School of Medicine and Health Sciences, Washington, USA
| | - Scott A Jackson
- The George Washington School of Medicine and Health Sciences, Washington, USA
- National Institute of Standards and Technology, Gaithersburg, Maryland, USA
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23
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Storz MA, Küster O. Hypocaloric, plant-based oatmeal interventions in the treatment of poorly-controlled type 2 diabetes: A review. Nutr Health 2019; 25:281-290. [PMID: 31500515 DOI: 10.1177/0260106019874683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND Lifestyle interventions, including dietary modifications, play a key role in the treatment of type 2 diabetes. By the second half of the last century, dietary oatmeal interventions had frequently been used in patients with diabetes; however, with the widespread introduction of insulin, this practice gradually fell into disuse. Within the last decades, the original oatmeal intervention, first described in 1903, has been modified towards a hypocaloric, low-fat, and plant-based intervention. AIM The aim of this review was to investigate the current role of these adapted short-term dietary oatmeal interventions in the treatment of patients suffering from poorly-controlled type 2 diabetes. A special focus was put on opportunities for and barriers to its clinical implementation and its potential mechanisms of action. METHODS The electronic databases of PubMed and Google Scholar were searched using the keywords "oat," "oats," "oatmeal," and "diabetes." RESULTS While there are a limited number of clinical studies including hypocaloric short-term dietary oatmeal interventions, there is evidence that these interventions may lead to a significant decrease in mean blood glucose levels and a significant reduction of insulin dosage in patients suffering from poorly-controlled type 2 diabetes. CONCLUSION Modified short-term dietary oatmeal interventions are an effective and economical tool in the treatment of patients suffering from poorly-controlled type 2 diabetes.
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Affiliation(s)
- Maximilian Andreas Storz
- Department of Internal Medicine and Gastroenterology, Die Filderklinik, Filderstadt-Bonlanden, Germany
| | - Onno Küster
- Department of Internal Medicine and Gastroenterology, Die Filderklinik, Filderstadt-Bonlanden, Germany
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24
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Joyce SA, Kamil A, Fleige L, Gahan CGM. The Cholesterol-Lowering Effect of Oats and Oat Beta Glucan: Modes of Action and Potential Role of Bile Acids and the Microbiome. Front Nutr 2019; 6:171. [PMID: 31828074 PMCID: PMC6892284 DOI: 10.3389/fnut.2019.00171] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 10/23/2019] [Indexed: 12/13/2022] Open
Abstract
Consumption of sufficient quantities of oat products has been shown to reduce host cholesterol and thereby modulate cardiovascular disease risk. The effects are proposed to be mediated by the gel-forming properties of oat β-glucan which modulates host bile acid and cholesterol metabolism and potentially removes intestinal cholesterol for excretion. However, the gut microbiota has emerged as a major factor regulating cholesterol metabolism in the host. Oat β-glucan has been shown to modulate the gut microbiota, particularly those bacterial species that influence host bile acid metabolism and production of short chain fatty acids, factors which are regulators of host cholesterol homeostasis. Given a significant role for the gut microbiota in cholesterol metabolism it is likely that the effects of oat β-glucan on the host are multifaceted and involve regulation of microbe-host interactions at the gut interface. Here we consider the potential for oat β-glucan to influence microbial populations in the gut with potential consequences for bile acid metabolism, reverse cholesterol transport (RCT), short-chain fatty acid (SCFA) production, bacterial metabolism of cholesterol and microbe-host signaling.
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Affiliation(s)
- Susan A Joyce
- APC Microbiome Ireland, University College Cork, Cork, Ireland.,School of Biochemistry and Cell Biology, University College Cork, Cork, Ireland
| | - Alison Kamil
- Quaker Oats Center of Excellence, PepsiCo R&D Nutrition, Barrington, IL, United States
| | - Lisa Fleige
- Quaker Oats Center of Excellence, PepsiCo R&D Nutrition, Barrington, IL, United States
| | - Cormac G M Gahan
- APC Microbiome Ireland, University College Cork, Cork, Ireland.,School of Microbiology, University College Cork, Cork, Ireland.,School of Pharmacy, University College Cork, Cork, Ireland
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25
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Wu W, Qiu J, Wang A, Li Z. Impact of whole cereals and processing on type 2 diabetes mellitus: a review. Crit Rev Food Sci Nutr 2019; 60:1447-1474. [DOI: 10.1080/10408398.2019.1574708] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Weijing Wu
- College of Food Science and Nutritional Engineering, China Agricultural University, Haidian, Beijing, China
- Laboratory of nutrition and food safety, Xiamen Medical College, Xiamen, Fujian, China
| | - Ju Qiu
- Ministry of Agriculture, Institute of Food and Nutrition Development, Haidian, Beijing, China
| | - Aili Wang
- Department of Food Science and Technology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, Virginia, USA
| | - Zaigui Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Haidian, Beijing, China
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Oat bran, but not its isolated bioactive β-glucans or polyphenols, have a bifidogenic effect in an in vitro fermentation model of the gut microbiota. Br J Nutr 2019; 121:549-559. [PMID: 30688188 DOI: 10.1017/s0007114518003501] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Wholegrain oats are known to modulate the human gut microbiota and have prebiotic properties (increase the growth of some health-promoting bacterial genera within the colon). Research to date mainly attributes these effects to the fibre content; however, oat is also a rich dietary source of polyphenols, which may contribute to the positive modulation of gut microbiota. In vitro anaerobic batch-culture experiments were performed over 24 h to evaluate the impact of two different doses (1 and 3 % (w/v)) of oat bran, matched concentrations of β-glucan extract or polyphenol mix, on the human faecal microbiota composition using 16S RNA gene sequencing and SCFA analysis. Supplementation with oats increased the abundance of Proteobacteria (P <0·01) at 10 h, Bacteroidetes (P <0·05) at 24 h and concentrations of acetic and propionic acid increased at 10 and 24 h compared with the NC. Fermentation of the 1 % (w/v) oat bran resulted in significant increase in SCFA production at 24 h (86 (sd 27) v. 28 (sd 5) mm; P <0·05) and a bifidogenic effect, increasing the relative abundance of Bifidobacterium unassigned at 10 h and Bifidobacterium adolescentis (P <0·05) at 10 and 24 h compared with NC. Considering the β-glucan treatment induced an increase in the phylum Bacteroidetes at 24 h, it explains the Bacteriodetes effects of oats as a food matrix. The polyphenol mix induced an increase in Enterobacteriaceae family at 24 h. In conclusion, in this study, we found that oats increased bifidobacteria, acetic acid and propionic acid, and this is mediated by the synergy of all oat compounds within the complex food matrix, rather than its main bioactive β-glucan or polyphenols. Thus, oats as a whole food led to the greatest impact on the microbiota.
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Kristek A, Schär MY, Soycan G, Alsharif S, Kuhnle GGC, Walton G, Spencer JPE. The gut microbiota and cardiovascular health benefits: A focus on wholegrain oats. NUTR BULL 2018. [DOI: 10.1111/nbu.12354] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- A. Kristek
- Department of Food and Nutritional Sciences; University of Reading; Reading UK
| | - M. Y. Schär
- Department of Food and Nutritional Sciences; University of Reading; Reading UK
| | - G. Soycan
- Department of Food and Nutritional Sciences; University of Reading; Reading UK
| | - S. Alsharif
- Department of Food and Nutritional Sciences; University of Reading; Reading UK
| | - G. G. C. Kuhnle
- Department of Food and Nutritional Sciences; University of Reading; Reading UK
| | - G. Walton
- Department of Food and Nutritional Sciences; University of Reading; Reading UK
| | - J. P. E. Spencer
- Department of Food and Nutritional Sciences; University of Reading; Reading UK
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RETRACTED: Linking gut microbiota to aging process: a new target for anti-aging. FOOD SCIENCE AND HUMAN WELLNESS 2018. [DOI: 10.1016/j.fshw.2018.04.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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29
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Sánchez-Moya T, López-Nicolás R, Planes D, González-Bermúdez CA, Ros-Berruezo G, Frontela-Saseta C. In vitro modulation of gut microbiota by whey protein to preserve intestinal health. Food Funct 2018. [PMID: 28636003 DOI: 10.1039/c7fo00197e] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The effect of several types of whey milk - cow, sheep, goat and a mixture of them (60 : 20 : 20, respectively) - was assessed in the human gut microbiota. The prebiotic potential of these substrates was evaluated through in vitro gastrointestinal digestion following faecal batch culture fermentations (mimicking colonic fermentation) for 48 hours, using faeces from normal-weight (NW) and obese (OB) donors. Throughout the fermentation process, pH, gas production, short chain and branched fatty acids (SCFA-BCFA) were measured, as well as the changes of microbiota using qPCR. The pH decreased in all whey samples during the fermentation process. Gas production was higher in all whey samples than in controls, especially at 12 hours (p < 0.05). The diversity of SCFA and BCFA production was significantly different between the donors, in particular cow and mixed whey. Whey milk had a strong prebiotic effect on the gut microbiota of NW and OB donors, showing a significant increase of Bifidobacterium (p < 0.05) with cow, sheep and mixed whey and increase in the Lactobacillus group, particularly in OB donors. Bacteria associated with obesity did not show an increase in any of the groups of donors. Therefore, supplementing a diet with these types of whey can selectively stimulate the growth of probiotic bacteria, enhancing SCFA production, which could improve intestinal disorders. In addition, it may be an interesting approach to the prevention of overweight and obesity and related diseases. Whey milk has a potent prebiotic effect. It can selectively stimulate desirable bacteria and SCFA profile, in both OB and NW donors, contributing to improved intestinal health and reducing obesity.
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Affiliation(s)
- T Sánchez-Moya
- Department of Food Science and Nutrition, Faculty of Veterinary Sciences, Regional Campus of International Excellence Campus Mare Nostrum, University of Murcia, Spain.
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Abstract
The human gut microbiota is a huge ecosystem that provides lots of functions for host development, immune system, and metabolism. Gut microbiota is linked to lots of diseases, including human metabolic diseases such as obesity, type 2 diabetes (T2D), irritable bowel syndrome, and cardiovascular disease (CVD). Few studies, however, have noted the relationship between aging and microbiota; the connection between aging and microbiota remains largely to be researched. In this review, recent research findings are summarized on the role of gut microbiota in aging processes with emphasis on therapeutic potential of microbiome-targeted interventions in antiaging medicine.
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Affiliation(s)
- Maoyang Lu
- MOE Key Laboratory of Protein Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing, China
| | - Zhao Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.
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31
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Cereal products derived from wheat, sorghum, rice and oats alter the infant gut microbiota in vitro. Sci Rep 2017; 7:14312. [PMID: 29085002 PMCID: PMC5662621 DOI: 10.1038/s41598-017-14707-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 10/12/2017] [Indexed: 12/20/2022] Open
Abstract
The introduction of different nutrient and energy sources during weaning leads to significant changes in the infant gut microbiota. We used an in vitro infant digestive and gut microbiota model system to investigate the effect of four commercially available cereal products based on either wheat, sorghum, rice or oats, on the gut microbiota of six infants. Our results indicated cereal additions induced numerous changes in the gut microbiota composition. The relative abundance of bacterial families associated with fibre degradation, Bacteroidaceae, Bifidobacteriaceae, Lactobacillaceae, Prevotellaceae, Ruminococcaceae and Veillonellaceae increased, whilst the abundance of Enterobacteriaceae decreased with cereal additions. Corresponding changes in the production of SCFAs showed higher concentrations of acetate following all cereal additions, whilst, propionate and butyrate varied between specific cereal additions. These cereal-specific variations in the concentrations of SCFAs showed a moderate correlation with the relative abundance of potential SCFA-producing bacterial families. Overall, our results demonstrated clear shifts in the abundance of bacterial groups associated with weaning and an increase in the production of SCFAs following cereal additions.
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Gong L, Cao W, Chi H, Wang J, Zhang H, Liu J, Sun B. Whole cereal grains and potential health effects: Involvement of the gut microbiota. Food Res Int 2017; 103:84-102. [PMID: 29389647 DOI: 10.1016/j.foodres.2017.10.025] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 10/11/2017] [Accepted: 10/12/2017] [Indexed: 12/13/2022]
Abstract
The intakes of whole cereal grains (WCGs) have long been linked to decreased risks of metabolic syndromes (MetS) and several chronic diseases. Owing to the complex range of components of cereals, which may show synergistic activities to mediate these protective effects, the mechanisms by which the benefits of whole cereals arise are not fully understood. The gut microbiota has recently become a new focus of research at the intersection of diet and metabolic health. Moreover, cereals contain various ingredients known as microbiota-accessible substrates that resist digestion in the upper gastrointestinal tract, including resistant starch and non-starch polysaccharides such as β-glucan and arabinoxylans, making them an important fuel for the microbiota. Thus, WCGs may manipulate the ecophysiology of gut microbiota. In this review, the scientific evidence supporting the hypothesis that WCGs prevent MetS by modulating gut microbiota composition and functions are discussed, with focuses on cereal intake-related mechanisms by which gut microbiota contributes to human health and scientific evidences for the effects of WCGs on modulating gut microbiota. Once strong support for the association among WCGs, gut microbiota and host metabolic health can be demonstrated, particular cereals, their processing technologies, or cereal-based foods might be better utilized to prevent and possibly even treat metabolic disease.
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Affiliation(s)
- Lingxiao Gong
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Wenyan Cao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Hailin Chi
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Jing Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Huijuan Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Jie Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
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C. K. Rajendran SR, Okolie CL, Udenigwe CC, Mason B. Structural features underlying prebiotic activity of conventional and potential prebiotic oligosaccharides in food and health. J Food Biochem 2017. [DOI: 10.1111/jfbc.12389] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Subin R. C. K. Rajendran
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture; Dalhousie University; Nova Scotia B2N5E3, Canada
- Verschuren Centre for Sustainability in Energy and the Environment; Cape Breton University; Nova Scotia B1P6L2, Canada
| | - Chigozie Louis Okolie
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture; Dalhousie University; Nova Scotia B2N5E3, Canada
- Verschuren Centre for Sustainability in Energy and the Environment; Cape Breton University; Nova Scotia B1P6L2, Canada
| | - Chibuike C. Udenigwe
- School of Nutrition Sciences, Faculty of Health Sciences; University of Ottawa; Ontario K1N6N5, Canada
| | - Beth Mason
- Verschuren Centre for Sustainability in Energy and the Environment; Cape Breton University; Nova Scotia B1P6L2, Canada
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Brahma S, Weier SA, Rose DJ. Moisture content during extrusion of oats impacts the initial fermentation metabolites and probiotic bacteria during extended fermentation by human fecal microbiota. Food Res Int 2017; 97:209-214. [PMID: 28578043 DOI: 10.1016/j.foodres.2017.04.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 04/10/2017] [Accepted: 04/16/2017] [Indexed: 12/31/2022]
Abstract
Extrusion exposes flour components to high pressure and shear during processing, which may affect the dietary fiber fermentability by human fecal microbiota. The objective of this study was to determine the effect of flour moisture content during extrusion on in vitro fermentation properties of whole grain oats. Extrudates were processed at three moisture levels (15%, 18%, and 21%) at fixed screw speed (300rpm) and temperature (130°C). The extrudates were then subjected to in vitro digestion and fermentation. Extrusion moisture significantly affected water-extractable β-glucan (WE-BG) in the extrudates, with samples processed at 15% moisture (lowest) and 21% moisture (highest) having the highest concentration of WE-BG. After the first 8h of fermentation, more WE-BG remained in fermentation media in samples processed at 15% moisture compared with the other conditions. Also, extrusion moisture significantly affected the production of acetate, butyrate, and total SCFA by the microbiota during the first 8h of fermentation. Microbiota grown on extrudates processed at 18% moisture had the highest production of acetate and total SCFA, whereas bacteria grown on extrudates processed at 15% and 18% moisture had the highest butyrate production. After 24h of fermentation, samples processed at 15% moisture supported lower Bifidobacterium counts than those produced at other conditions, but had among the highest Lactobacillus counts. Thus, moisture content during extrusion significantly affects production of fermentation metabolites by the gut microbiota during the initial stages of fermentation, while also affecting probiotic bacteria counts during extended fermentation.
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Affiliation(s)
- Sandrayee Brahma
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Steven A Weier
- The Food Processing Center, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Devin J Rose
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE, USA; Department of Agronomy & Horticulture, University of Nebraska-Lincoln, Lincoln, NE, USA.
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35
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36
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De Weirdt R, Hernandez-Sanabria E, Fievez V, Mees E, Geirnaert A, Van Herreweghen F, Vilchez-Vargas R, Van den Abbeele P, Jauregui R, Pieper DH, Vlaeminck B, Van de Wiele T. Mucosa-associated biohydrogenating microbes protect the simulated colon microbiome from stress associated with high concentrations of poly-unsaturated fat. Environ Microbiol 2017; 19:722-739. [DOI: 10.1111/1462-2920.13622] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Rosemarie De Weirdt
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
| | - Emma Hernandez-Sanabria
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
| | - Veerle Fievez
- Laboratory for Animal Nutrition and Product Quality (Lanupro); Ghent University; Proefhoevestraat 10 Melle BE-9090 Belgium
| | - Eva Mees
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
| | - Annelies Geirnaert
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
| | - Florence Van Herreweghen
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
| | - Ramiro Vilchez-Vargas
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
| | - Pieter Van den Abbeele
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
| | - Ruy Jauregui
- Microbial Interactions and Processes Research Group, Department of Molecular Infection Biology; Helmholtz Centre for Infection Research; Inhoffenstraβe 7 Braunschweig D-38124 Germany
| | - Dietmar H. Pieper
- Microbial Interactions and Processes Research Group, Department of Molecular Infection Biology; Helmholtz Centre for Infection Research; Inhoffenstraβe 7 Braunschweig D-38124 Germany
| | - Bruno Vlaeminck
- Laboratory for Animal Nutrition and Product Quality (Lanupro); Ghent University; Proefhoevestraat 10 Melle BE-9090 Belgium
| | - Tom Van de Wiele
- Center for Microbial Ecology and Technology (CMET), Ghent University; Coupure Links 653 Ghent BE-9000 Belgium
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37
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Saman P, Tuohy KM, Vázquez JA, Gibson G, Pandiella SS. In vitro evaluation of prebiotic properties derived from rice bran obtained by debranning technology. Int J Food Sci Nutr 2016; 68:421-428. [DOI: 10.1080/09637486.2016.1258045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Premsuda Saman
- Bioscience Department, Thailand Institute of Scientific and Technological Research, Khlong Luang, Pathumthani, Thailand
- School of Chemical Engineering and Analytical Science, The University of Manchester, Manchester, UK
| | - Kieran M. Tuohy
- Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach (FEM), San Michele all’Adige, TN, Italy
| | - José A. Vázquez
- Group of Recycling and Valorization of Waste Materials (REVAL), Marine Research Institute (IIM-CSIC), Vigo, Spain
| | - Glenn Gibson
- Department of Food Biosciences, School of Chemistry Food Bioscience and Pharmacy, University of Reading, Reading, UK
| | - Severino S. Pandiella
- School of Chemical Engineering and Analytical Science, The University of Manchester, Manchester, UK
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38
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Connolly ML, Tzounis X, Tuohy KM, Lovegrove JA. Hypocholesterolemic and Prebiotic Effects of a Whole-Grain Oat-Based Granola Breakfast Cereal in a Cardio-Metabolic "At Risk" Population. Front Microbiol 2016; 7:1675. [PMID: 27872611 PMCID: PMC5098205 DOI: 10.3389/fmicb.2016.01675] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 10/06/2016] [Indexed: 12/16/2022] Open
Abstract
Meta-analyses of randomized controlled trials (RTC) have confirmed the hypocholesterolaemic effect of oats and oat based fibers. However, the mechanisms by which oats or oat fractions lower cholesterol is not totally clear. Recognizing the important role of the gut microbiome in metabolism and metabolic disease risk, we examined the impact of whole grain oat Granola (WGO) on the human gut microbiota and cardio-metabolic risk factors using a randomized crossover dietary intervention in at risk individuals (ClinicalTrials.gov Identifier: NCT01925365). We randomized 32 individuals at risk of developing cardio-metabolic disease by virtue of mild hypercholesterolaemia or glucose intolerance, into two groups consuming either 45 g of WGO or non-whole grain (NWG) breakfast cereals daily for two 6-week intervention periods separated by a 4-week wash out period in a randomized, controlled, crossover, double-blinded design. Confirming the cholesterol lowering effect of WGO, we observed a significant time by treatment interaction, for total cholesterol (TC) (P = 0.0001) and LDL-cholesterol (LDL-C) (P = 0.02) compared to NWG. A significant time by treatment interaction was also observed for the relative abundance of fecal bifidobacteria (P = 0.0001), lactobacilli (P = 0.001) and total bacterial count (P = 0.008), which were all elevated after consumption of WGO. Daily consumption of WGO resulted in a prebiotic effect on the human gut microbiota composition and significant reductions in TC and LDL-C concentrations. Prebiotic modulation of the human gut microbiota may thus constitute a previously unrecognized mechanism contributing to the hypocholesterolaemic effects of whole grain oat Granola.
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Affiliation(s)
- Michael L Connolly
- Hugh Sinclair Unit of Human Nutrition, University of ReadingReading, UK; Institute for Cardiovascular and Metabolic Research, University of ReadingReading, UK
| | - Xenofon Tzounis
- Hugh Sinclair Unit of Human Nutrition, University of ReadingReading, UK; Institute for Cardiovascular and Metabolic Research, University of ReadingReading, UK
| | - Kieran M Tuohy
- Hugh Sinclair Unit of Human Nutrition, University of ReadingReading, UK; Department of Food Quality and Nutrition, Research and Innovation Centre - Fondazione Edmund MachTrento, Italy
| | - Julie A Lovegrove
- Hugh Sinclair Unit of Human Nutrition, University of ReadingReading, UK; Institute for Cardiovascular and Metabolic Research, University of ReadingReading, UK
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Develaraja S, Reddy A, Yadav M, Jain S, Yadav H. Whole Grains in Amelioration of Metabolic Derangements. ACTA ACUST UNITED AC 2016; 4:1-11. [PMID: 28944285 DOI: 10.15226/jnhfs.2016.00173] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Daily diet influences whole body metabolism, and intricately linked to the prevention or progression of metabolic diseases including obesity, diabetes and cardiovascular diseases. Several epidemiological and large scale studies have shown that diets enriched with whole grains improves metabolic function and protect from the development of metabolic diseases. Direct impact of whole grain diet can be mediated on several levels of metabolic functions i.e. reduced glycemic index, improved fat oxidation potential, increased cholesterol clearance or decreased cholesterol biosynthesis and modulation of gut microbiome. In this article we reviewed several studies indicating the beneficial effects of whole grain diets on metabolic functions, as well as discussed the potential active phytochemicals present in these whole grain foods to contribute in modulation of metabolic function in our body.
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Affiliation(s)
- Samir Develaraja
- University of Pennsylvania, College of Arts and Sciences, Philadelphia, PA
| | - Anup Reddy
- West Virginia University School of Medicine, Robert C. Byrd Health Sciences Center, Morgantown, USA
| | | | - Shalini Jain
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, USA
| | - Hariom Yadav
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, USA
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40
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Xue B, Xie J, Huang J, Chen L, Gao L, Ou S, Wang Y, Peng X. Plant polyphenols alter a pathway of energy metabolism by inhibiting fecal Bacteroidetes and Firmicutes in vitro. Food Funct 2016; 7:1501-7. [DOI: 10.1039/c5fo01438g] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This study investigated the effect of plant polyphenols on faecal microbiota metabolizing oligosaccharides. The results show that plant polyphenols can change the pathway of degrading FOS or even energy metabolism in vivo by altering gut microbiota composition.
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Affiliation(s)
- Bin Xue
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
| | - Jinli Xie
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
| | - Jiachen Huang
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
| | - Long Chen
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
| | - Lijuan Gao
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
| | - Shiyi Ou
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
| | - Yong Wang
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
- Guangdong Engineering Research Center for Oil and Fat Biorefinery
| | - Xichun Peng
- Department of Food Science and Engineering
- Jinan University
- Guangzhou 510630
- China
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41
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Mitra D, Jena AK, De A, Das M, Das B, Samanta A. Prebiotic potential of gum odina and its impact on gut ecology: in vitro and in vivo assessments. Food Funct 2016; 7:3064-72. [DOI: 10.1039/c5fo01581b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The attributed effects of gum odina as a novel prebiotic and immunomodulatory agent are studied.
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Affiliation(s)
- Debmalya Mitra
- Division of Microbiology
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
- India
| | - Aditya Kr. Jena
- Division of Microbiology
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
- India
| | - Arnab De
- Division of Microbiology
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
- India
| | - Mousumi Das
- Division of Microbiology
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
- India
| | - Bhaskar Das
- Division of Microbiology
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
- India
| | - Amalesh Samanta
- Division of Microbiology
- Department of Pharmaceutical Technology
- Jadavpur University
- Kolkata 700032
- India
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42
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Bao Z, Li Y, Zhang J, Li L, Zhang P, Huang F. Effect of particle size of wheat on nutrient digestibility, growth performance, and gut microbiota in growing pigs. Livest Sci 2016. [DOI: 10.1016/j.livsci.2015.11.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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43
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Oxidative stress-mediated inhibition of intestinal epithelial cell proliferation by silver nanoparticles. Toxicol In Vitro 2015. [DOI: 10.1016/j.tiv.2015.07.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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44
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Gyawali R, Minor RC, Donovan B, Ibrahim SA. Inclusion of Oat in Feeding Can Increase the Potential Probiotic Bifidobacteria in Sow Milk. Animals (Basel) 2015; 5:610-23. [PMID: 26479377 PMCID: PMC4598697 DOI: 10.3390/ani5030375] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 06/25/2015] [Accepted: 07/15/2015] [Indexed: 11/16/2022] Open
Abstract
The objectives of this study were to (i) investigate the impact of feeding oat on the population of bifidobacteria and (ii) evaluate their probiotic potential. In this study, we investigated the effects of supplementing sows' gestation and lactation feed with 15% oat (prebiotic source) on the levels of probiotic population in milk. We found that dietary inclusion of oat during lactation and gestation resulted in increased levels of bifidobacteria compared to lactobacilli in sow milk. Furthermore bifidobacteria within the sow milk samples were further evaluated for probiotic potential based on aggregating properties, and acid- and bile-tolerance after exposure to hydrochloric acid (pH 2.5) and bile salts (0%, 0.25%, 0.50%, 1.0% and 2.0%). All isolates survived under the condition of low pH and bile 2.0%. Autoaggregation ability ranged from 17.5% to 73%. These isolates also showed antimicrobial activity against E. coli O157:H7.Together our results suggest that inclusion of oat in feeding systems could have the potential to improve the intestinal health of piglets by increasing the population of bifidobacteria.
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Affiliation(s)
- Rabin Gyawali
- Food Microbiology and Biotechnology Laboratory, 173 Carver Hall, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA.
| | - Radiah C Minor
- Department of Animal Sciences, 107h Webb Hall, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA.
| | - Barry Donovan
- Department of Animal Sciences, 107h Webb Hall, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA.
| | - Salam A Ibrahim
- Food Microbiology and Biotechnology Laboratory, 173 Carver Hall, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA.
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Zhang N, Li D, Zhang X, Shi Y, Wang H. Solid-state fermentation of whole oats to yield a synbiotic food rich in lactic acid bacteria and prebiotics. Food Funct 2015; 6:2620-5. [PMID: 26130143 DOI: 10.1039/c5fo00411j] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This study developed a synbiotic food through the fermentation of whole oat flour with Lactobacillus plantarum TK9 and Bifidobacterium animalis subsp. lactis V9. The physicochemical properties, changes in ingredients and peptide molecular weight distributions were determined during the whole oat fermentation. The highest viable counts of the fermented oats were 2.85 × 10(9) CFU g(-1) (L. plantarum TK9) and 3.17 × 10(8) CFU g(-1) (Bif. animalis subsp. lactis V9), with the titratable acidity increased to 10.01 and 8.40 mL at the end of the fermentation. By comparing the nutrition compositions between the fermented and non-fermented oat flour, we found that there was almost no change in the soluble dietary fiber and β-glucan content. However, the amounts of free amino nitrogen increased from 110.84 to 154.62 mg per 100 g (L. plantarum TK9) and 82.16 to 104.83 mg per 100 g (Bif. animalis subsp. lactis V9). The levels of oat peptides with molecular weights less than 6000 Da increased by 4.4 and 5.96%, respectively. The results suggest that the fermented whole oat flour has good potential for application in the production of a novel synbiotic food rich in lactic acid bacteria and β-glucan prebiotics.
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Affiliation(s)
- Nan Zhang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, People's Republic of China.
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Verbeke KA, Boobis AR, Chiodini A, Edwards CA, Franck A, Kleerebezem M, Nauta A, Raes J, van Tol EAF, Tuohy KM. Towards microbial fermentation metabolites as markers for health benefits of prebiotics. Nutr Res Rev 2015; 28:42-66. [PMID: 26156216 PMCID: PMC4501371 DOI: 10.1017/s0954422415000037] [Citation(s) in RCA: 203] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Available evidence on the bioactive, nutritional and putative detrimental properties of gut microbial metabolites has been evaluated to support a more integrated view of how prebiotics might affect host health throughout life. The present literature inventory targeted evidence for the physiological and nutritional effects of metabolites, for example, SCFA, the potential toxicity of other metabolites and attempted to determine normal concentration ranges. Furthermore, the biological relevance of more holistic approaches like faecal water toxicity assays and metabolomics and the limitations of faecal measurements were addressed. Existing literature indicates that protein fermentation metabolites (phenol, p-cresol, indole, ammonia), typically considered as potentially harmful, occur at concentration ranges in the colon such that no toxic effects are expected either locally or following systemic absorption. The endproducts of saccharolytic fermentation, SCFA, may have effects on colonic health, host physiology, immunity, lipid and protein metabolism and appetite control. However, measuring SCFA concentrations in faeces is insufficient to assess the dynamic processes of their nutrikinetics. Existing literature on the usefulness of faecal water toxicity measures as indicators of cancer risk seems limited. In conclusion, at present there is insufficient evidence to use changes in faecal bacterial metabolite concentrations as markers of prebiotic effectiveness. Integration of results from metabolomics and metagenomics holds promise for understanding the health implications of prebiotic microbiome modulation but adequate tools for data integration and interpretation are currently lacking. Similarly, studies measuring metabolite fluxes in different body compartments to provide a more accurate picture of their nutrikinetics are needed.
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Affiliation(s)
- Kristin A. Verbeke
- Translational Research in Gastrointestinal Disorders (TARGID), KU Leuven and Leuven Food Science and Nutrition Research Center (LFoRCe), Leuven, Belgium
| | - Alan R. Boobis
- Department of Medicine, Imperial College London, London, UK
| | - Alessandro Chiodini
- Formerly ILSI Europe, Box 6, Avenue Emmanuel Mounier 83, BE-1200, Brussels, Belgium; now European Commission, Research Executive Agency (REA) Unit B2, Brussels, Belgium
| | - Christine A. Edwards
- Human Nutrition School of Medicine, College of MVLS, University of Glasgow, Glasgow, Scotland
| | | | - Michiel Kleerebezem
- Host Microbe Interactomics, Wageningen University, Wageningen, The Netherlands
| | - Arjen Nauta
- FrieslandCampina, Amersfoort, The Netherlands
| | - Jeroen Raes
- Microbiology and Immunology, Rega Institute, KU Leuven, Leuven; VIB, Leuven; DBIT, Vrije Universiteit Brussel, Brussels, Belgium
| | | | - Kieran M. Tuohy
- Nutrition and Nutrigenomics, Research and Innovation Centre-Fondazione Edmund Mach, Trento, Italy
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Cooper DN, Martin RJ, Keim NL. Does Whole Grain Consumption Alter Gut Microbiota and Satiety? Healthcare (Basel) 2015; 3:364-92. [PMID: 27417768 PMCID: PMC4939539 DOI: 10.3390/healthcare3020364] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 05/19/2015] [Accepted: 05/22/2015] [Indexed: 12/25/2022] Open
Abstract
This review summarizes recent studies examining whole grain consumption and its effect on gut microbiota and satiety in healthy humans. Studies comparing whole grains to their refined grain counterparts were considered, as were studies comparing different grain types. Possible mechanisms linking microbial metabolism and satiety are described. Clinical trials show that whole grain wheat, maize, and barley alter the human gut microbiota, but these findings are based on a few studies that do not include satiety components, so no functional claims between microbiota and satiety can be made. Ten satiety trials were evaluated and provide evidence that whole oats, barley, and rye can increase satiety, whereas the evidence for whole wheat and maize is not compelling. There are many gaps in the literature; no one clinical trial has examined the effects of whole grains on satiety and gut microbiota together. Once understanding the impact of whole grains on satiety and microbiota is more developed, then particular grains might be used for better appetite control. With this information at hand, healthcare professionals could make individual dietary recommendations that promote satiety and contribute to weight control.
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Affiliation(s)
- Danielle N Cooper
- Department of Nutrition, University of California at Davis, 1 Shields Ave, Davis, CA 95616, USA.
| | - Roy J Martin
- Department of Nutrition, University of California at Davis, 1 Shields Ave, Davis, CA 95616, USA.
- USDA-ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA.
| | - Nancy L Keim
- Department of Nutrition, University of California at Davis, 1 Shields Ave, Davis, CA 95616, USA.
- USDA-ARS, Western Human Nutrition Research Center, 430 West Health Sciences Drive, Davis, CA 95616, USA.
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Roberts K, Allen-Vercoe E, Williams S, Graham T, Cui S. Comparative study of the in vitro fermentative characteristics of fenugreek gum, white bread and bread with fenugreek gum using human faecal microbes. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.bcdf.2014.09.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zhou AL, Hergert N, Rompato G, Lefevre M. Whole grain oats improve insulin sensitivity and plasma cholesterol profile and modify gut microbiota composition in C57BL/6J mice. J Nutr 2015; 145:222-30. [PMID: 25644341 DOI: 10.3945/jn.114.199778] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Whole grain consumption reduces the risk of major chronic diseases. It is not clear how whole grains exert their beneficial effects. OBJECTIVE The aim was to compare the physiologic effects of whole grain oat (WGO) flour with low bran oat (LBO) flour. METHODS Two AIN-93G-based diets were formulated with either WGO or LBO flour. Five-week-old male C57BL/6J mice were fed LBO (n = 11) and WGO (n = 13) diets for 8 wk. Cecal microbiota was profiled by pyrosequencing of the 16S ribosomal RNA gene. Data are reported as means ± SEMs or antilogs of the mean (mean - SEM, mean + SEM). RESULTS The weight gain was 14.6% less in the WGO group during week 7 (P = 0.04). WGO improved insulin sensitivity as reflected by significantly lower plasma insulin [1500 (1370, 1650) ng/L vs. 2340 (2090, 2620) ng/L; P = 0.006], C-peptide (3980 ± 548 ng/L vs. 7340 ± 1050 ng/L; P = 0.007), and homeostasis model assessment-estimated insulin resistance (21.4 ± 2.3 vs. 34.7 ± 4.9; P = 0.03). Plasma total cholesterol was 9.9% less and non-HDL cholesterol was 11% less in the WGO group. A comparison of relative abundance indicated Prevotellaceae, Lactobacillaceae, and Alcaligenaceae families were 175.5% (P = 0.03), 184.5% (P = 0.01), and 150.0% (P = 0.004), respectively, greater in the WGO group and Clostridiaceae and Lachnospiraceae families were 527% (P = 0.004) and 62.6% (P = 0.01), respectively, greater in the LBO group. Cecal microbiota composition predicts 63.9% variation in plasma insulin and 88.9% variation in plasma non-HDL cholesterol. CONCLUSIONS In mice, WGOs improved insulin sensitivity and plasma cholesterol profile compared with LBOs, and the effects were associated with the changes in cecal microbiota composition. Increasing WGO consumption may help improve insulin sensitivity and dyslipidemia in chronic diseases.
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Affiliation(s)
- Albert Lihong Zhou
- Utah Science Technology and Research Initiative (USTAR), Applied Nutrition Research, and Department of Nutrition, Dietetics and Food Sciences
| | - Nancie Hergert
- Utah Science Technology and Research Initiative (USTAR), Applied Nutrition Research, and Department of Nutrition, Dietetics and Food Sciences
| | - Giovanni Rompato
- Center for Integrated BioSystems, Utah State University, Logan, UT
| | - Michael Lefevre
- Center for Integrated BioSystems, Utah State University, Logan, UT
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50
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Nyangale EP, Farmer S, Keller D, Chernoff D, Gibson GR. Effect of prebiotics on the fecal microbiota of elderly volunteers after dietary supplementation of Bacillus coagulans GBI-30, 6086. Anaerobe 2014; 30:75-81. [DOI: 10.1016/j.anaerobe.2014.09.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Revised: 09/01/2014] [Accepted: 09/03/2014] [Indexed: 12/16/2022]
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