Methyl protogracillin (NSC-698793), extracted from the roots of Dioscorea opposite Thunb, exhibits strong anti-cancer activity. References: Hu K, et al. The cytotoxicity of methyl protoneogracillin (NSC-698793) and gracillin (NSC-698787), two steroidal saponins from the rhizomes of Dioscorea collettii var. hypoglauca, against human cancer cells in vitro. Phytother Res. 2003 Jun;17(6):620-6.

纯度：≥98%

CAS：54522-53-1