A novel lupane triterpene from seeds of Ziziphus jujuba var.spinosa
- VernacularTitle:美丽红豆杉种子化学成分的研究(Ⅳ)
- Author:
Feng HE
;
Qin PAN
- Publication Type:Journal Article
- Keywords:
the seeds of Ziziphus jujuba Mill.var.spinosa(Bunge) Hu ex H.F.Chow;
lupane triterpene;
alphitolic acid methyl ester(2?,3?-dihydroxy-lup-20(29)-en-28-oic acid methyl ester)
- From:
Chinese Traditional and Herbal Drugs
1994;0(02):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the chemical constituents from the seeds of Ziziphus jujuba var.spinosa,which is used as a sedative herbal medicine in China.Methods The constituents were separated and purified by silica gel column.Their structures were elucidated based on their physicochemical properties and spectral analysis.Results Six compounds were obtained from 95% EtOH extracts in the seeds of Z.jujuba var.spinosa.They were identified as 2?,3?-dihydroxy-lup-20(29)-en-28-oic acid methyl ester(Ⅰ),?-sitosterol(Ⅱ),betulin(Ⅲ),betulinic acid(Ⅳ),hexadexanoic acid 2,3-dihydroxypropyl ester(Ⅴ),and daucosterol(Ⅵ).Conclusion Compound Ⅰ is a novel lupane triterpene named as alphitolic acid methyl ester,compound Ⅴ is obtained from the seeds of Z.jujuba var.spinosa for the first time.
