Polyporusterone A is a triterpene carboxylic acid isolated from Polyporus umbellatus Fries. Polyporusterone A has inhibitory effect on free radical-induced lysis of red blood cells[1].
[1]. Nobuyasu Sekiya, et al. Inhibitory effects of triterpenes isolated from Chuling (Polyporus umbellatus Fries) on free radical-induced lysis of red blood cells. Biol Pharm Bull. 2005 May;28(5):817-21.
















