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자료유형
학술저널
저자정보
Jeong-Youn Jo (Cornell University) Chang Yong Lee (Cornell University)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 16. no 4
발행연도
2007.8
수록면
501 - 508 (8page)

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Proanthocyanidins (PACs), also named condensed tannins, are polymers of flavan-3-ols such as (+)-(gallo)catechin and (-)-epi(gallo)catechin. A proper analysis of the PACs, with difficult challenges due to their complex structures, is crucial in studies of cancer chemoprevention. Cancer is a leading cause of mortality around the world. Many experimental studies have shown that dietary PACs are potential chemopreventive agents that block or suppress against multistage carcinogenesis in both in vitro and in vivo models. Cancer chemoprevention by dietary PACs has been shown effective through different mechanisms of action such as antioxidant, apoptosis-inducing, and enzyme inhibitory activities. Good sources of dietary PACs are nuts, fruits, beans, chocolate, fruit juice, red wine, and green tea. The chemopreventive potential of dietary PACs should be considered together with their bioavailability in humans. The safety issues regarding carcinogenesis and gastrointestinal disorder are also reviewed.

목차

Abstract
Introduction
Chemical Structure
Challenges to Analysis of Polymeric PACs
Chemopreventive Activities
Future Research
Conclusions
References

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