Cited by 85Gut microbiota and healthMicrobial Metabolites in Food BiotechnologyFood composition and properties

Navy and black bean supplementation primes the colonic mucosal microenvironment to improve gut health

Monk, Jennifer M., Lepp, Dion, Wu, Wenqing, Pauls, K. Peter, Robinson, Lindsay E., Power, Krista A.·2017·The Journal of Nutritional Biochemistry

Abstract

Common beans (Phaseolus vulgaris L.) are enriched in non-digestible fermentable carbohydrates and phenolic compounds that can modulate the colonic microenvironment (microbiota and host epithelial barrier) to improve gut health. In a comprehensive assessment of the impact of two commonly consumed bean varieties (differing in levels and types of phenolic compounds) within the colonic microenvironment, C57Bl/6 mice were fed diets supplemented with 20% cooked navy bean (NB) or black bean (BB) flours or an isocaloric basal diet control (BD) for 3 weeks. NB and BB similarly altered the fecal microbiota community structure (16S rRNA sequencing) notably by increasing the abundance of carbohydrate fermenting bacteria such as Prevotella, S24-7 and Ruminococcus flavefaciens, which coincided with enhanced short chain fatty acid (SCFA) production (microbial-derived carbohydrate fermentation products) and colonic expression of the SCFA receptors GPR-41/-43/-109a. Both NB and BB enhanced multiple aspects of mucus and epithelial barrier integrity vs. BD including: (i) goblet cell number, crypt mucus content and mucin mRNA expression, (ii) anti-microbial defenses (Reg3γ), (iii) crypt length and epithelial cell proliferation, (iv) apical junctional complex components (occludin, JAM-A, ZO-1 and E-cadherin) mRNA expression and (v) reduced serum endotoxin concentrations. Interestingly, biomarkers of colon barrier integrity (crypt height, mucus content, cell proliferation and goblet cell number) were enhanced in BB vs. NB-fed mice, suggesting added benefits attributable to unique BB components (e.g., phenolics). Overall, NB and BB improved baseline colonic microenvironment function by altering the microbial community structure and activity and promoting colon barrier integrity and function; effects which may prove beneficial in attenuating gut-associated diseases.

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Crossref · 10.1016/j.jnutbio.2017.08.002

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  • In mice, navy bean and black bean flours increased the abundance of Prevotella, S24-7, and Ruminococcus flavefaciens and SCFA production, and decreased the abundance of Ruminococcus gnavus, Oscillospira, Coprococcus, Lactococcus, Streptococcus, Coprobacillus, Parabacteroides, Adlercreutzia, and others compared with the basal diet.

    “In mice, navy bean and black bean flours increased the abundance of Prevotella, S24-7, and Ruminococcus flavefaciens and SCFA production, and decreased the abundance of Ruminococcus gnavus, Oscillospira, Coprococcus, Lactococcus, Streptococcus, Coprobacillus, Parabacteroides, Adlercreutzia, and others compared with the basal diet.Some bean-specific changes were also observed, with black bean flour”

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Authors
Monk, J. M., Lepp, D., Wu, W., Pauls, K. P., Robinson, L. E., & Power, K. A.
Affiliations
  • Agriculture and Agri-Food Canada (CA)
  • University of Guelph (CA)
Corresponding author
Power, Krista A.
Venue
The Journal of Nutritional Biochemistry
Publisher
Elsevier BV
Published
2017-11
Volume
49
Pages
89-100
ISSN
0955-2863 (ISSN-L)
OpenAlex
W2744142212
Cited by
85
References
102
Citations by year
2026: 5 · 2025: 11 · 2024: 6 · 2023: 8 · 2022: 12 · 2021: 12 · 2020: 11 · 2019: 10 · 2018: 9 · 2017: 1
FWCI
3.46
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Nutritional Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
Keywords
navy bean, black bean, Phaseolus vulgaris, gut microbiota, colonic mucosa, short-chain fatty acids, goblet cells, mucus barrier, epithelial barrier integrity, phenolic compounds, carbohydrate fermentation, endotoxin, Reg3γ, occludin, ZO-1, E-cadherin, JAM-A, Ruminococcus flavefaciens, gut health
MeSH terms
Gastrointestinal Microbiome, Animals, Colon, Dietary Carbohydrates, Dietary Fiber, Feces, Fermentation, Intestinal Mucosa, Male, Mice, Inbred C57BL, Phytohemagglutinins, Random Allocation, Seeds, Biomarkers, Gene Expression Regulation, Developmental, Prevotella, Ruminococcus, Cell Proliferation, Functional Food, Molecular Typing, Cellular Microenvironment, Dysbiosis

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