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Abstract:
Resveratrol, a natural product derived from grapes and an important component of red wine, has been shown to inhibit cyclooxygenase and prevent various cancers. The purpose of this study is to investigate the effects of dietary grape extract, a source of resveratrol on intestinal cancer development in rats and to determine effects of resveratrol on cell growth in human colonic adenocarcinoma (Caco-2) cells, thus elucidating possible mechanisms of action of resveratrol. Results showed that dietary grape extract (5%, about 7 μg resveratrol consumed daily) signifi cantly decreased the incidence and multiplicity of tumors in small intestine in rats and resveratrol signifi cantly inhibited cell viability and cell proliferation in Caco-2 cells.