CN Patent

CN102336765A — 从斑蝥中提取斑蝥素的方法

Assigned to JIANGSU FOUR RINGS BIOLOGY CO Ltd · Expires 2012-02-01 · 14y expired

What this patent protects

本发明涉及一种从斑蝥中提取斑蝥素的方法。其特征在于:用丙酮对斑蝥虫粉进行连续逆流超声浸提,浸出液去杂后减压浓缩蒸去部分溶剂,浓缩液冷却析晶得到斑蝥素粗品,粗品用三氯甲烷加热溶解,过滤,除去不溶物,滤液冷却析晶,即得到斑蝥素。本发明采用连续逆流超声提取,提取得到的浸出液用水析法去杂,并采用三氯甲烷重结晶即可得到含量在98%以上的斑蝥素,省去了有机溶剂脱脂等步骤,操作简单,生产安全,提取收得率高,适用于大规模生产。

USPTO Abstract

本发明涉及一种从斑蝥中提取斑蝥素的方法。其特征在于:用丙酮对斑蝥虫粉进行连续逆流超声浸提,浸出液去杂后减压浓缩蒸去部分溶剂,浓缩液冷却析晶得到斑蝥素粗品,粗品用三氯甲烷加热溶解,过滤,除去不溶物,滤液冷却析晶,即得到斑蝥素。本发明采用连续逆流超声提取,提取得到的浸出液用水析法去杂,并采用三氯甲烷重结晶即可得到含量在98%以上的斑蝥素,省去了有机溶剂脱脂等步骤,操作简单,生产安全,提取收得率高,适用于大规模生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN102336765A
Jurisdiction
CN
Classification
Expires
2012-02-01
Drug substance claim
No
Drug product claim
No
Assignee
JIANGSU FOUR RINGS BIOLOGY CO Ltd
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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