Journal
BRITISH JOURNAL OF NUTRITION
Volume 100, Issue 1, Pages 188-196Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0007114507882997
Keywords
resveratrol; food composition databases; intake; wine; European Prospective Investigation into Cancer and Nutrition (EPIC)-Spain
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Resveratrol has been shown to have beneficial effects on diseases related to oxidant and/or inflammatory processes and extends the lifespan of simple organisms including rodents. The objective of the present study was to estimate the dietary intake of resveratrol and piceid (R&P) present in foods, and to identify the principal dietary sources of these compounds in the Spanish adult population. For this purpose, a food composition database (FCDB) of R&P in Spanish foods was compiled. The study included 40 685 subjects aged 35-64 years from northern and southern regions of Spain who were included in the European Prospective Investigation into Cancer and Nutrition (EPIC)-Spain cohort. Usual food intake was assessed by personal interviews using a computerised version of a validated diet history method. An FCDB with 160 items was compiled. The estimated median and mean of R&P intake were 100 and 933 mu g/d respectively. Approximately, 32 % of the population did not consume R&P. The most abundant of the four stilbenes studied was trans-piceid (53.6 %), followed by trans-resveratrol (20.9 %), cis-piceid (19.3 %) and cis-resveratrol (6.2 %). The most important source of R&P was wines (98.4 %) and grape and grape juices (1.6 %), whereas peanuts, pistachios and berries contributed to less than 0.01 %. For this reason the pattern of intake of R&P was similar to the wine pattern. This is the first time that R&P intake has been estimated in a Mediterranean country.
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