A systematic review of the effect of dietary pulses on microbial populations inhabiting the human gut
Open accessAbstract
Pulses are dry leguminous crops consisting of beans, lentils, chickpeas, and peas. They are a broad category of food that are often aggregated when their contribution to healthy dietary patterns are disseminated. However, the different genera and varieties of pulses vary in composition and are consumed in different amounts, largely dictated by geographic region and ethnicity. Given the number of pulse-derived components, including fibre, that have the capacity to alter the composition of the gut microbiome, the objective of this study was to systematically review dietary pulses and pulse-derived ingredients as a broader food group, to determine their effect on gut microbiota in humans. Major scientific databases were used to conduct the search, which spanned from 1990 until February 2019. The search strategy identified 2,444 articles and five studies were included in this analysis. Two studies used whole pulses (chickpeas and pinto beans), one study used cooked navy bean powder, and the two remaining studies used pulse-derived fibre (lupin or yellow pea hulls). Although inconsistent, some studies demonstrated that whole pulses (pinto beans and chickpeas), cooked navy bean powder, and pulse-derived fibre (lupin kernel fibre), did impose changes to the microbiota that inhabit the human large intestine. However, there was considerable variability concerning the methodologies and endpoints used to decipher the observed effects on the abundance, diversity, and/or richness of specific microbiota or the microbiome. More extensive human studies that directly link the effects of specific types of pulses on the gastrointestinal microbial environment to health outcomes in the host are required.
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- Authors
- Marinangeli, C. P. F., Harding, S. V., Zafron, M., & Rideout, T. C.
- Affiliations
- Pulse Canada (CA)
- Memorial University of Newfoundland (CA)
- University at Buffalo, State University of New York (US)
- Venue
- Beneficial Microbes
- Publisher
- Walter de Gruyter GmbH
- Published
- 2020-09-01
- Volume
- 11
- Issue
- 5
- Pages
- 457-468
- ISSN
- 1876-2883 (ISSN-L)
- 1876-2891
- OpenAlex
- W3081694873
- Cited by
- 34
- References
- 5
- Citations by year
- 2026: 1 · 2025: 9 · 2024: 7 · 2023: 7 · 2022: 5 · 2021: 4 · 2020: 1
- FWCI
- 0.41
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Beneficial Microbes (publishedVersion, cc-by-nc-sa)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
- Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
- Keywords
- gut microbiota, Fabaceae, chickpea, pinto bean, dietary fiber, microbiome diversity
- MeSH terms
- Gastrointestinal Microbiome, Diet, Dietary Fiber, Feces, Female, Humans, Fabaceae, Male, RNA, Ribosomal, 16S, Vegetables, Randomized Controlled Trials as Topic, Crops, Agricultural
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