发明名称 |
METHOD OF EXTRACTING SENNOSIDES A, B and A1 |
摘要 |
<p>FIELD: pharmacy technology. SUBSTANCE: invention relates to isolation of sennosides A, B and $$$. Sennosides mixture is subjected for reduction to corresponding anthrone-8-glucosides followed by liquid-liquid dispersing anthrone-8-glucosides to remove aloe-emodin components. After extraction the obtained rhein-9-anthrone-8-glucoside is oxidized again to sennosides A, B and $$$. Invention relates to pharmaceutical agent prepared on the basis of sennosides A, B and $$$ also. EFFECT: improved method of preparing. 8 cl, 1 tbl</p> |
申请公布号 |
GR3024842(T3) |
申请公布日期 |
1998.01.30 |
申请号 |
GR19970402481T |
申请日期 |
1997.09.24 |
申请人 |
MADAUS AKTIENGESELLSCHAFT |
发明人 |
CARCASONA, ALFONS;GRIMMINGER, WOLF;HIETALA, PENTTI;ZAESKE, HELGA;WITTHOHN, KLAUS |
分类号 |
A61K31/70;A61K31/7028;A61K31/7034;A61K31/704;A61K36/48;A61K36/482;A61P1/10;C07H15/244;(IPC1-7):C07H15/244;A61K35/78 |
主分类号 |
A61K31/70 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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