A novel triterpenoid saponin from bulbs of Bolbostemma paniculatum
- VernacularTitle:土贝母中一个新的三萜皂苷
- Author:
Tingjun MA
;
Jun LI
;
Pengfei TU
;
Feijie LU
- Publication Type:Journal Article
- Keywords:
Bolbostemma paniculatum (Maxim.) Franquet;
triterpenoid saponin;
dexylosyl-tubeimoside Ⅲ
- From:
Chinese Traditional and Herbal Drugs
2006;37(3):327-329
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the triterpenoid saponin from bulbs of Bolbostemma paniculatum.Methods The compound was isolated by repeated silica gel chromatographies and its strcuture was eluci-dated on the basis of physico chemical property and spectral analysis. Results A novel triterpenoidsaponin was isolated and determined as olean 12-en-28-oic acid, 3- {[2-O-[6-O-[(3R)-4-carboxy-3-hydrox-y-3-methyl-1-oxobutyl]-β-D-glucopyranosyl]-β-D-glucopyranosyl] oxy}-2, 16, 23-trihydroxy-28-[2-O-α-L-rhamnose (1→2)-α-L-arabinopyranosyl] ester ( I φ. Conclusion Compound I is a novel compoundnamed as dexylosyltubeimoside Ⅲ.
