Preparation method of high-purity natural ursodesoxycholic acid and application thereof in medicament
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 重庆寰瑞生物技术有限公司
- Publication Date
- 2010-10-27
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of medicine and biology, and in particular relates to a preparation method of high-purity natural ursodeoxycholic acid and its application in medicine. Background technique
[0002] Ursodeoxycholic acid (UDCA) is an active ingredient of bear bile, a rare medicine, which has the functions of clearing away heat, calming the liver, and improving eyesight. It has a unique curative effect on cholesterol gallstones. The preparation method of existing patent or bibliography UDCA at home and abroad mainly contains three aspects, the one is that the bear bile powder that natural bear bile or artificial drainage bear bile is prepared is that raw material extracts and refines (referring to literature: Shi Lixia etc., drainage bear bile Comparison of active ingredient content before and after powder refining, Chinese Materia Medica. 2000, 23(6): 334; Shi Lixia et al., Development and Clinical Application of Bear Bile I...