3-O-Acetyl-16α-hydroxytrametenolic acid (Compound 3) is a triterpene found in Poria cocos, with anti-oxidant and anti-cancer activity[1].
[1]. Zhou L, et al. Cytotoxic and anti-oxidant activities of lanostane-type triterpenes isolated from Poria cocos. Chem Pharm Bull (Tokyo). 2008 Oct;56(10):1459-62.
















