Furostanol glycosides from bulbs of Allium chinense.
Two new furostanol saponins, named chinenosides II and III, were isolated along with seven known compounds, from the bulbs of Allium chinese G. Don by a combination of silica gel, Diaion HP-20, and octadecylsilanized (ODS) silica gel column chromatographies and preparative HPLC. On the basis of chemical and spectroscopic evidence, the structures of chinenosides II and III were determined to be 26-O-beta-glucopyranosyl 3 beta,26-dihydroxy-(25R)-5 alpha-furost-20(22)-en-6-one 3-O-beta-xylopyranosyl-(1 --> 4)-[alpha-arbinopyranosyl(1 --> 6) ]-beta-glucopyranoside and 26-O-beta-glucopyranosyl 3 beta,26-dihydroxy-(25R)-5 alpha-furost-20 (22)-en-6-one 3-O-alpha-arabinopyranosyl (1 --> 6)-beta-glucopyranoside, respectively.
Peng
J P
JP
Department of Natural Products, Shengyang Pharmaceutical University, Shenhe District, China.
Yao
X S
XS
Tezuka
Y
Y
Kikuchi
T
T
D000490:Allium; D002236:Carbohydrate Conformation; D002240:Carbohydrate Sequence; D002851:Chromatography, High Pressure Liquid; D009682:Magnetic Resonance Spectroscopy; D008969:Molecular Sequence Data; D015394:Molecular Structure; D018517:Plant Roots; D012503:Saponins / Q000737:chemistry* / Q000302:isolation & purification; D013256:Steroids
D012503:Saponins; D013256:Steroids; C098274:chinenoside II; C098275:chinenoside III