Food and beverages rich in polyphenols have been shown to reduce the risk of non-
communicable diseases. The present study estimated polyphenol levels and consumption …

Food and beverages rich in polyphenols with antioxidant activity are highlighted as a
potential factor for risk reduction of lifestyle related diseases. This study was conducted to …

Estimating polyphenol intake contributes to the understanding of polyphenols' health
benefits. However, information about human polyphenol intake is scarce, especially in the …

We examine the validity and reproducibility of a food frequency questionnaire (FFQ) in a
subsample of participants in the Japan Public Health Center-based Prospective Cohort …

Materials and Methods Survey for beverage consumption. Beverage consumption surveys
were conducted in winter (January or February), spring (April or May), summer (July or …

Purpose Several epidemiological studies have demonstrated the health benefits of
polyphenols, but the associations between polyphenol intake and mortality including total …

Polyphenol intake has been estimated in some populations; however, information about day-
to-day and individual differences in polyphenol intake has not been wellevaluated. In this …

Polyphenols have been suggested as protective factors for a range of chronic diseases.
However, studying the impact of individual polyphenols on health is hindered by the intrinsic …

Spot urinary polyphenols have potential as a biomarker of polyphenol-rich food intakes. The
aim of this study is to explore the relationship between spot urinary polyphenols and …

Background Establishing and linking the proposed health benefits of dietary polyphenols to
their consumption requires measurement of polyphenol intake in appropriate samples and …