期刊
ANTIOXIDANTS
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/antiox11040696
关键词
beer; polyphenols; antioxidants; gut microbiota
资金
- Foro para la Investigacion de la Cerveza y Estilos de Vida (FICYE)
- Carlos III Health Institute (European Regional Development Fund-ERDF-) [CP16/00163, CP20/00066, CD19/00216]
- Network of Centers for Biomedical Research (CIBER) of the Carlos III Health Institute (ISCIII) [CB06/03/0018]
- ISCIII [PI18/01160, PI21/01677]
- Regional Development Fund (ERDF)
The antioxidant capacity of beer polyphenols may induce positive shifts in gut microbiota composition, and some of the observed changes may be related to metabolic status.
The moderate consumption of beer has been associated with positive effects on health, and these benefits are driven, in part, by the antioxidant properties of phenolic compounds found in this beverage. However, the potential impact of beer polyphenols on the human gut microbiome and their consequences are yet to be elucidated. In this study, our aim was to evaluate the effect of three different phenolic-content beers on the gut microbiome and the potential role of the induced shifts in the antioxidant capacity of beer polyphenols. In total, 20 subjects (10 healthy volunteers and 10 individuals with metabolic syndrome) were randomly assigned in a crossover design to consume each of the different beers (alcohol-free, lager or dark beer) during a 2-week intervention. Significant changes in the relative abundance of Streptococcaceae and Streptococcus were found after beer consumption. An increased abundance of Streptococcaceae and Streptococcus was observed after the consumption of dark beer, with no detected differences between baseline and alcohol-free/lager beer intervention. Moreover, some of the detected differences appeared to be related to the metabolic status. Finally, a decrease in porphyrin metabolism and heme biosynthesis was found after the intervention, especially after the consumption of dark beer. These results show that the antioxidant capacity of beer polyphenols may induce positive shifts in gut microbiota composition, and some of the observed changes may also boost the antioxidant capacity of these compounds.
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