Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
THE EXTRACT METHOD OF CIS-LIGUSTILIDE AND THE PHARMACEUTICAL USE OF THE SAME
Document Type and Number:
WIPO Patent Application WO/2004/106318
Kind Code:
A1
Abstract:
The present invention relates to an extracting and separating method of natural cis- ligustilide, comprising the steps of pretreatment and pulverize procedure, high gear exacting procedure, and separating and purify procedure. This method have the advantages of low toxicity, safe to use, high yields and high purity, and are suitable to industrial production. The present invention also provides the use of cis- ligustilide obtained by the above-mentioned extract method in manufacture the medicines for treating and preventing the microcirculation disorder related diseases.

Inventors:
LIU JUN (CN)
WEI YUPING (CN)
WANG YONGFU (CN)
DENG YINGJIE (CN)
Application Number:
PCT/CN2004/000594
Publication Date:
December 09, 2004
Filing Date:
June 03, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
YANG XIFENG (CN)
LIU JUN (CN)
WEI YUPING (CN)
WANG YONGFU (CN)
DENG YINGJIE (CN)
International Classes:
A61K31/34; A61K31/365; A61K36/236; C07D307/88; (IPC1-7): C07D307/88; A61K31/34; A61K31/365; A61K35/78
Foreign References:
CN1311008A2001-09-05
CN1084851A1994-04-06
Other References:
SHI LI-FU ET AL.: "Comparison of influence of essential oil from ligusticum chuanxiong hort. on microcirculation in rabbit conjunctiva bulbar before and after decomposition of ligustilide", CHINESE JOURNAL OF PHARMACOLOGY AND TOXICOLOGY, vol. 9, no. 2, May 1995 (1995-05-01), pages 157 - 158
XIAO YONG-GONG ET AL.: "Studies on chemical constituents of the rhizomae of ligusticun chuanxiong", CHINA JOURNAL OF CHINESE MATERIA MEDICA, vol. 27, no. 7, July 2002 (2002-07-01), pages 519 - 522
SHI LI-FU ET AL.: "Studies on chemical constituents and their stability of the essential oil from dry rhizome of ligusticum chuanxiong Hort.", YAOWUFENXIZAZHI, vol. 15, no. 3, 1995, pages 26 - 30
BAI HAI-BO ET AL.: "Studies on optimizing the extracting process of ferulic acid and ligustilide in ligusticum chuanxiong hort.", CHINESE JOURNAL OF EXPERIMENTAL TRADITIONAL MEDICAL FORMULAE, vol. 9, no. 4, August 2003 (2003-08-01), pages 8 - 10
ZANG J.L. ET AL.: "Studies on chemical constituents of ligusticum jeholense nakai et kitagawa", YAOXUEXUEBAO, vol. 31, no. 1, 1996, pages 33 - 37
Attorney, Agent or Firm:
LUNG TIN INTERNATIONAL INTELLECTUAL PROPERTY AGENT LTD. (Tower B Grand Place, No. 5 Huizhong Roa, Chaoyang District Beijing 1, CN)
Download PDF: