A new dammarane saponin, Gycomoside I was isolated from Gynostemma compressum and elucidated as 1β, 3β, 12β,20(S), 26-pentahydroxy-dammar-24(25)-en-20(S)-O-β-D-glucopyranosyl6-β-D-glucopyranoside based on the che...A new dammarane saponin, Gycomoside I was isolated from Gynostemma compressum and elucidated as 1β, 3β, 12β,20(S), 26-pentahydroxy-dammar-24(25)-en-20(S)-O-β-D-glucopyranosyl6-β-D-glucopyranoside based on the chemical and spectral evidences.展开更多
Two new cornpounds,saponin I and saponin II,were isolated from Gynostemma longipes f.Y.Wu. The struetures have been characterized on the basis of cbenical and speetroseopie evidence. ^-~.
文摘A new dammarane saponin, Gycomoside I was isolated from Gynostemma compressum and elucidated as 1β, 3β, 12β,20(S), 26-pentahydroxy-dammar-24(25)-en-20(S)-O-β-D-glucopyranosyl6-β-D-glucopyranoside based on the chemical and spectral evidences.
文摘Two new cornpounds,saponin I and saponin II,were isolated from Gynostemma longipes f.Y.Wu. The struetures have been characterized on the basis of cbenical and speetroseopie evidence. ^-~.
