Active Ingredient: Resveratrol/Trans-Resveratrol Specification: 98% ,50% Test Method: HPLC Active ... and their glycosides, napthoquinone, 3,5,4¡Â-trihydroxy stilbene (i.e., resveratrol), piceid, fallacinol, citreorosein, questin, questinol, ... :Encyclopedia of Chinese Drugs. Jiangsu Institute of Modern Medicine, Shanghai Scientific and Technical Publications, 1977. [Chinese] Encyclopedia of Common ...