Intake of Individual Flavonoids and Risk of Carcinogenesis: Overview of Epidemiological Evidence.

Intake of Individual Flavonoids and Risk of Carcinogenesis: Overview of Epidemiological Evidence.

Nutr Cancer. 2017 Oct 30;:1-32

Authors: Sak K

Abstract
Several epidemiological findings have demonstrated that specific flavonoids can be responsible for reduction of the risk of certain cancer types. However, these results are still rather limited, inconclusive and controversial. Therefore, in this comprehensive review article the findings reported to date about the associations between dietary intake of individual flavonoid compounds and cancer incidence are compiled and analyzed. Also, the possible reasons for inconsistencies are brought forth and discussed. As diet is a potentially modifiable factor in our behavioral choices, further large-scale prospective studies with longer follow-up times, different populations, various doses and exposure timing as well as diverse well-controlled confounders are highly needed to confirm or disprove the current epidemiological knowledge about the role of flavonoids on cancer risk. Regarding the promising data to date, more research on bioavailability, metabolism and biological action mechanisms of these plant secondary metabolites is also encouraged.

PMID: 29083244 [PubMed - as supplied by publisher]

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