Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Chinese Traditional and Herbal Drugs》 2006-02
Add to Favorite Get Latest Update

A novel lupane triterpene from seeds of Ziziphus jujuba var.spinosa

HE Feng~1,PAN Qin~(2),MIN Zhi-da~1(1.China Pharmaceutical University,Nanjing 210038,China;2.Research Center,Tianjin Zhongxin Pharmaceuticals,Tianjin 300457,China)  
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 2α,3β-dihydroxy-lup-20(29)-en-28-oic acid methyl ester(Ⅰ),β-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.
【Fund】: 国家高科技研究发展计划(863计划)博士基金项目(2003AA2Z3527)
【CateGory Index】: R284.1
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved