Theasaponin E2 shows cytotoxicity against K562 and HL60 cells (IC50: 14.7 μg/mL). Theasaponin E2 can be isolated from Camellia sinensis[1].
References
[1] Li N, et al. Phytochemical analysis of the triterpenoids with cytotoxicity and QR inducing properties from the total tea seed saponin of Camellia sinensis. Fitoterapia. 2013 Jan;84:321-5. DOI:10.1016/j.fitote.2012.12.022
