Steroidal glycosides from the underground parts of Dracaena thalioides and their cytotoxic activity

Six spirostanol glycosides (1-6) and 12 known compounds were isolated from the underground parts of Dracaena thalioides (Agavaceae). A spirostanol glycosides was the most cytotoxic to HL-60 cells and it caused apoptotic cell death via capase-3 activation.