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Int J Mol Sci. 2010 Mar 31;11(4):1321-42. doi: 10.3390/ijms11041321.

Bioavailability of the polyphenols: status and controversies.

Author information

  • 1Department of Veterinary Public Health and Food Safety, Italian National Institute of Health, Rome, Italy. maxdar@iss.it <maxdar@iss.it>

Abstract

The current interest in polyphenols has been driven primarily by epidemiological studies. However, to establish conclusive evidence for the effectiveness of dietary polyphenols in disease prevention, it is useful to better define the bioavailability of the polyphenols, so that their biological activity can be evaluated. The bioavailability appears to differ greatly among the various phenolic compounds, and the most abundant ones in our diet are not necessarily those that have the best bioavailability profile. In the present review, we focus on the factors influencing the bioavailability of the polyphenols. Moreover, a critical overview on the difficulties and the controversies of the studies on the bioavailability is discussed.

KEYWORDS:

bioavailability; dietary polyphenols; metabolites

PMID:
20480022
[PubMed - indexed for MEDLINE]
PMCID:
PMC2871118
Free PMC Article
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