发明名称 |
A PROCESS FOR PREPARATION OF TIMOSAPONIN B II |
摘要 |
A precess for preparation of timosaponin B II, which uses Chinese traditional drug Anemarrhena Rhizome or newly collected rhizoma or fibrous root of Anemarrhena Asphodeloides Bge. as raw material, and comprises isolation of tiBosaponin B II by one or more steps selected from solvent extraction, resin adsorption, polyamide chromatography, inversed phase column chromatography, column chromatography on Sephadex LH-20 and so on in combination with conventional drying method such as vacuum drying, freeze drying, spray drying and so on. Timosaponin B II obtained by the present process is of over 90% purity, and the process is simple and applicable and suitable for industrial production.
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申请公布号 |
CA2564889(C) |
申请公布日期 |
2012.08.21 |
申请号 |
CA20052564889 |
申请日期 |
2005.04.21 |
申请人 |
INSTITUTE OF RADIATION MEDICINE, ACADEMY OF MILITARY MEDICAL SCIENCES, P LA |
发明人 |
MA, BAIPING;CHEN, HAO;XIONG, CHENGQI;KANG, LIPING;ZHANG, JIE |
分类号 |
C07J71/00;C07J53/00 |
主分类号 |
C07J71/00 |
代理机构 |
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