The question of the structure of a triterpene glycoside fromSaponaria officinalis
1. It has been shown that saponaside D is a decaoside of gypsogenin.
2. It has been established that the carbohydrate moiety attached to the hydroxyl group of the aglycone comprises galactose, arabinose, xylose, rhamnose, and glucuronic acid and that attached to the carboxyl group of gypsogenin comprises galactose, glucose, xylose, fucose, and rhamnose.
3. It has been shown that glucuronic acid is attached directly to the hydroxyl of the gypsogenin by a β-glycosidic linkage and a fucose residue is attached directly to the carboxyl group.
KeywordsXylose Saponin Arabinose Rhamnose Fucose
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