... ResveratrolResveratrolProduct No.: OHI-000025CAS No.:Active Ingredient: Resveratrol/Trans-ResveratrolSpecification: 98% ,50%Test Method ... et al. Cancer chemopreventive activity of resveratrol, a natural product derived from grapes. Science, vol. ... 275, 218-220, 1997. Orsini, F. et al. Isolation, synthesis, and antiplatelet aggregation activity of resveratrol ...