Process extracting purified danshen extract from red sage root
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- EAST CHINA UNIV OF SCI & TECH
- Publication Date
- 2002-04-03
- Estimated Expiration
- Not applicable · inactive patent
Abstract
Description
Technical field
[0001] The present invention relates to a method for extracting danshensu from plant danshen, in particular to a method for extracting and purifying danshensu from an aqueous solution containing danshensu. Background technique
[0002] Danshensu is one of the water-soluble components in the dried roots of Salvia miltiorrhiza Bumge, a plant of the Salvia miltiorrhiza Bumge in the Chinese medicine Labiatae. It is an effective component for preventing myocardial ischemia and improving microcirculation. Certain curative effect. Zhang Decheng et al. (Research on Chinese Patent Medicine, Phase 1 in 1982) reported on its performance in detail. The structure of Danshensu is as follows:
[0003] Danshensu is D(+)β-(3,4-dihydroxyphenyl)lactic acid, which is a phenolic acid and is easily soluble in water. Due to the active hydroxyl group in the molecule, oxidation and other reactions will occur when heated or exposed to light. The Danshensu solution is very unstable and eas...