Active Ingredient: Resveratrol/Trans-Resveratrol Specification: 98% ,50% Test Method: HPLC Active Ingredient: Resveratrol/Trans-ResveratrolSpecification: 98% ,50%Test Method: HPLCGiant ... Prod. 60:1082-87, 1997. Pharmacognosy, Phytochemistry, Medicinal Plants, by Prof. Jean Bruneton. Lavoisier Tec & Doc/Intercept Ltd., 1995 ... Academy of Sciences, 1982. [Chinese] Giant Knotweed Extract Resveratrol 99%