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Nutrients 2018, 10(10), 1402;

Impact of Agaricus bisporus Mushroom Consumption on Gut Health Markers in Healthy Adults

Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Avenue, St. Paul, MN 55108, USA
Clinical and Translational Science Institute, University of Minnesota, 717 Delaware St. SE, Minneapolis, MN 55414, USA
Informatics Institute, University of Minnesota, 101 Pleasant St., Minneapolis, MN 55455, USA
Author to whom correspondence should be addressed.
Received: 31 August 2018 / Revised: 21 September 2018 / Accepted: 25 September 2018 / Published: 2 October 2018
(This article belongs to the Special Issue Gut Microbiome and Human Health)
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Eating Agaricus bisporus mushrooms may impact gut health, because they contain known prebiotics. This study assessed mushroom consumption compared to meat on gastrointestinal tolerance, short chain fatty acid (SCFA) production, laxation, and fecal microbiota. A randomized open-label crossover study was conducted in healthy adults (n = 32) consuming protein-matched amounts of mushrooms or meat twice daily for ten days. Breath hydrogen measures were taken on day one, and gastrointestinal tolerance was evaluated throughout treatments. Fecal sample collection was completed days 6–10, and samples were assessed for bacterial composition, SCFA concentrations, weight, pH, and consistency. There were no differences in breath hydrogen, stool frequency, consistency, fecal pH, or SCFA concentrations between the two diets. The mushroom diet led to greater overall gastrointestinal symptoms than the meat diet on days one and two. The mushroom-rich diet resulted in higher average stool weight (p = 0.002) and a different fecal microbiota composition compared to the meat diet, with greater abundance of Bacteroidetes (p = 0.0002) and lower abundance of Firmicutes (p = 0.0009). The increase in stool weight and presence of undigested mushrooms in stool suggests that mushroom consumption may impact laxation in healthy adults. Additional research is needed to interpret the health implications of fecal microbiota shifts with mushroom feeding. View Full-Text
Keywords: mushrooms; gut health; laxation; prebiotic; fiber; microbiota mushrooms; gut health; laxation; prebiotic; fiber; microbiota

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Hess, J.; Wang, Q.; Gould, T.; Slavin, J. Impact of Agaricus bisporus Mushroom Consumption on Gut Health Markers in Healthy Adults. Nutrients 2018, 10, 1402.

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