Polyphenols & the Mediterranean Diet: Blueberries as part of a Healthy Diet

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By Dennis Cladis

Consuming polyphenol-rich fruits and vegetables, including blueberries, is associated with beneficial health outcomes. Interest in enhancing polyphenol intakes via dietary supplements has grown, though differences in fruit versus supplement matrix on gut microbiota and ultimate phenolic metabolism to bioactive metabolites are unknown. This post summarizes the results of an in vivo study where it was found that gut microbial populations showed increased diversity at moderate doses but decreased diversity at high doses. Urinary phenolic metabolites were primarily observed as microbially derived metabolites and underwent extensive host xenobiotic phase II metabolism. Thus, blueberry polyphenols in fruit and supplements induce differences in gut microbial communities and phenolic metabolism, which may alter intended health effect.

See all at: https://www.ciencia-e-vinho.com/2021/03/17/polyphenols-the-mediterranean-diet-blueberries-as-part-of-a-healthy-diet/

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