Recycling HPLC was used for the isolation of a macrocyclic bidesmoside resin glycoside from Ipomoea purga.
Saponification of the ether-insoluble resin glycosides afforded four glycosidic acids.
Profiling of the commercialized Mexican scammony resin was performed by HPLC and 13C NMR.
Jalapinoside II modulated vinblastine susceptibility in breast carcinoma cells.