Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 540652
Title Green and Black Tea Phenolics : Bioavailability, Transformation by Colonic Microbiota, and Modulation of Colonic Microbiota
Author(s) Liu, Zhibin; Bruins, Marieke Elisabeth; Ni, Li; Vincken, Jean Paul
Source Journal of Agricultural and Food Chemistry 66 (2018)32. - ISSN 0021-8561 - p. 8469 - 8477.
DOI https://doi.org/10.1021/acs.jafc.8b02233
Department(s) Food Chemistry Group
VLAG
FBR Bioconversion
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) bioavailability - black tea phenolics - green tea catechins - gut microbiota - health benefits - microbial metabolism
Abstract

Monomeric green tea catechin (GTC) and oligomeric, oxidized black tea phenolic (BTP) have shown promising health benefits, although GTC has been more extensively studied than BTP. We review the current knowledge on bioavailability, colonic transformation, and gut microbiota modulatory effects of GTC and BTP. As a result of their similar poor bioavailability in the small intestine and potentially similar metabolites upon colonic fermentation, it seems as if GTC and BTP have similar health effects, although it cannot be excluded that they have different gut microbiota modulatory effects and that BTP gives a poorer yield of bioactive phenolic metabolites upon colonic fermentation than GTC.

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