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Cytotoxic isoquinoline alkaloids from Xanthorhiza simplicissima
Abstract:
Two cytotoxic isoquinoline alkaloids, liriodenine and palmatine, were isolated from the Xanthorhiza simplicissima Marsh. Liriodenine, isolated for the second time from the family of Ranunculaceae, demonstrated potent cytotoxicity against KB, A-549, HCT-8, P-388, and L-1210 tumor cells, while palmatine showed marginal cytotoxicity against KB cells.