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Title:
COUMARINS EXTRACTIONS AND THEIR USES FOR TREATING HYPERTENSION DISEASE
Document Type and Number:
WIPO Patent Application WO/2003/075938
Kind Code:
A1
Abstract:
The invention relates to a kind of Coumarin Extraction coming from Chinese herbs and containing Imperatorin and Isoimperatorin. The invention also relates to a use of the extraction for treating hypertension disease. Especially, the invention provides a kind of Coumarin extraction coming from Angelica dahurica. Furthermore the invention also provides an extract method adopted by the invention, which is Super-critical CO2 Extraction. The invention also provides a pharmaceutical composition containing the extraction. The extract method of the invention is simple and practical, the extraction has a good purity, and the formula of the invention is unique, but also the pharmaceutical composition containing the extraction has a new use for treating hypertension disease.

Inventors:
HE LANGCHONG (CN)
YANG GUANGDE (CN)
CAO YONGXIAO (CN)
LI XILING (CN)
LIANG MINGJIN (CN)
MA YING (CN)
HE WEI (CN)
HUANG YI (CN)
Application Number:
PCT/CN2003/000167
Publication Date:
September 18, 2003
Filing Date:
March 06, 2003
Export Citation:
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Assignee:
BEIJING TONGYUAN PHARMACEUTICA (CN)
HE LANGCHONG (CN)
YANG GUANGDE (CN)
CAO YONGXIAO (CN)
LI XILING (CN)
LIANG MINGJIN (CN)
MA YING (CN)
HE WEI (CN)
HUANG YI (CN)
International Classes:
A61K31/37; A61K36/232; A61P9/12; B01D11/02; C07D493/04; (IPC1-7): A61K35/78; A61P9/12
Other References:
ZHOU JIMING ET AL.: "Research for angelica dahurica Benth. Et Hook", CHINESE HOSPITAL PHARMACEUTICAL MEDICINE, vol. 8, no. 11, 1988, pages 2 - 6
LING MINGJIN ET AL.: "Research for extraction imperatorin from Angelica dahurica Benth. Et Hook", CHINESE PHARMACIST-PREPARED MEDICINE, vol. 22, no. 12, 2000, pages 147 - 148
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENT LTD. (8 Beijing, CN)
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