期刊
GENES AND NUTRITION
卷 7, 期 2, 页码 99-109出版社
BMC
DOI: 10.1007/s12263-011-0255-5
关键词
Antioxidants; Effective brain concentration; Gut microbiota; Hormesis; Metabolic signalling; Polyphenols; Plasma concentration; Residual blood; Vitamin C
资金
- Tan Chin Tuan Centennial Fund, Singapore
Although several epidemiological and intervention studies suggest that polyphenols (PPs) and PP-rich foods may improve memory and cognition in animals and humans, PPs' mode of action is only poorly understood. To help distinguish between the different modes of action that have been proposed for PPs, it is obviously important to know how much PPs can accumulate in the brain, if any at all. However, reliable data on PP uptake into the brain of animals are limited as many studies failed to report important control procedures during data acquisition. In this paper, we summarize published data on the penetration of PPs into animal brain and review some hypotheses to explain the biological basis of potentially health-beneficial effects of PPs to the brain. Finally, we highlight promising new approaches, especially those of a hormetic dose-response and gut microbiota-brain interaction, which may allow a better understanding of PPs' mode of action in animals and humans.
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