2α,3α,24-Trihydroxyolean-12-en-28-oic acid, a triterpenoid phytoalexin, isolated from peel of unripe fruits of nectarine (Prunus persica cv Fantasia), shows antifungal activity against the fungus mentioned.
2α,3α,24-Trihydroxyurs-12-en-28-oic acid, a triterpenoid phytoalexin, shows antifungal activity against the fungus mentioned. It also shows in vitro cytotoxic activity against tumor cell lines including PLC,Hep3B,HepG2,HeLa,SW480,MCF-7 and Bel7402.
2alpha,19alpha-Dihydroxy-3-oxo-urs-12-en-28-oic acid has anti-HIV activity. It shows an inhibitory effect on the activation of Epstein-Barr virus early antigen (EBV-EA) induced by 12-O-tetradecanoylphorbol-13-acetate (TPA) and causes a significant delay o
2β,3β,23α-Trihydroxy-12-oleanen-28-oic acid shows cytotoxic activities to human lung adenocarcinoma(A-549)cell lines. 2α,3β,23-Trihydroxyolean-12-en-28-oic acid and 2α,3β,23-trihydroxyurs-12-en-28-oic acid exhibit cytotoxicity in vitro against the growth of human cancer cells lines HepG-2,with IC50 values of 16.13 ± 3.83, 15.97 ± 2.47 uM, respectively.