CN Patent

CN101108854A — 一种斑蝥素分离纯化方法

Assigned to Guizhou University · Expires 2008-01-23 · 18y expired

What this patent protects

本发明公开了一种斑蝥素分离纯化方法,包括以下步骤:(1)选取底部有出水孔的容器,加入斑蝥素粗提物,放入40-50倍体积的水,加热到水沸腾,打开阀门,放出热水,冷却至室温,加入15倍体积的三氯甲烷萃取,重复操作10-20次,浓缩回收萃取液,得淡黄色晶体;(2)加入80倍体积的乙酸乙酯80℃加热回流10分钟,趁热过滤,自然冷却结晶,抽滤,用无水乙醇与(30℃-60℃)石油醚体积比为1∶2洗涤,室温下凉干,获得的斑蝥素纯品。具有产率高,纯度高,有机溶剂用量少,安全环保,工艺简化的特点。

USPTO Abstract

本发明公开了一种斑蝥素分离纯化方法,包括以下步骤:(1)选取底部有出水孔的容器,加入斑蝥素粗提物,放入40-50倍体积的水,加热到水沸腾,打开阀门,放出热水,冷却至室温,加入15倍体积的三氯甲烷萃取,重复操作10-20次,浓缩回收萃取液,得淡黄色晶体;(2)加入80倍体积的乙酸乙酯80℃加热回流10分钟,趁热过滤,自然冷却结晶,抽滤,用无水乙醇与(30℃-60℃)石油醚体积比为1∶2洗涤,室温下凉干,获得的斑蝥素纯品。具有产率高,纯度高,有机溶剂用量少,安全环保,工艺简化的特点。

Drugs covered by this patent

Patent Metadata

Patent number
CN101108854A
Jurisdiction
CN
Classification
Expires
2008-01-23
Drug substance claim
No
Drug product claim
No
Assignee
Guizhou University
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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