Y. Ida et al., ACHYRANTHOSIDE-A AND ACHYRANTHOSIDE-B, NOVEL CYTOTOXIC SAPONINS FROM ACHYRANTHES-FAURIEI ROOT, Tetrahedron letters, 35(37), 1994, pp. 6887-6890
Two new saponins, achyranthosides A and B, were isolated from Achyrant
hes fauriei root, and their structures were elucidated on the basis of
chemical and physical evidences. Achyranthoside A methyl ester was fo
und to have significant cytotoxic activity against human colon carcino
ma and murine melanoma cells.