Preparation method and pharmacological effect of mangiferin hexa-butyl-esterified derivative
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GUANGXI UNIV OF CHINESE MEDICINE
- Publication Date
- 2014-07-02
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a method for preparing a new organic compound by using mangiferin as a starting material, and the pharmacological effects of the compound in anti-inflammatory and hypoglycemic aspects. technical background
[0002] Many Chinese medicinal materials such as the fruit, leaves and bark of Mangifera indica L., the rhizome and aerial part of Liliaceae Anemarrhena asphodeloides Bge., Belamcanda chinensis (L.) DC.) flowers and leaves contain mangiferin (Mangiferin). Mangiferin is a glucose C-glycoside with a Xanthone structure (molecular formula C 19 H 18 O 11 , molecular weight 422.34).
[0003]
[0004] Mangiferin has a large planar structure and poor solubility (average solubility in pure water and buffer solution with pH 1.3 to 7.4 <1 mg·mL -1 ), and the converted human oral effective dose is 630 mg, and the liquid volume in the gastrointestinal tract required to dissolve a single dose of mangiferin is >250 mL. Accord...