title: Minor triterpenoid saponins from Ardisia crenata.
abstract: Two minor triterpenoid saponins, ardisicrenoside G [3 beta-O-{alpha-L-rhamnopyranosyl-(1-->2)-beta-D-glucopyranosyl-(1-->4)- [beta-D-glucopyranosyl-(1-->2)]-alpha-L-arabinopyranosyl}-16 alpha,28-dihydroxyolean-12-en-30-oic acid] and ardisicrenoside H [3 beta-O-{beta-D-xylopyranosyl-(1-->2)-beta-D- glucopyranosyl-(1-->4)-[beta-D-glucopyranosyl-(1-->2)]-alpha-L- arabinopyranosyl}-16 alpha,28-dihydroxyolean-12-en-30-oic acid] were isolated from the roots of Ardisia crenata. Structural assignments are based on NMR, MS and chemical reactions.
authors.affiliation: School of Pharmaceutical Sciences, Toho University, Chiba, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Koike
authors.forename: Z
authors.initials: Z
authors.lastname: Jia
authors.forename: S
authors.initials: S
authors.lastname: Ohura
authors.forename: S
authors.initials: S
authors.lastname: Mochida
authors.forename: T
authors.initials: T
authors.lastname: Nikaido
mesh_terms: D002240:Carbohydrate Sequence; D006868:Hydrolysis; D019684:Magnoliopsida / Q000737:chemistry*; D008969:Molecular Sequence Data; D018517:Plant Roots / Q000737:chemistry; D013055:Spectrophotometry, Infrared; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D014315:Triterpenes