Composition Comprising Xanthium strumarium L. Extract for Use in Preventing and Treating Cataract and Method for Preparation Thereof

摘要

PURPOSE: Provided is a composition for preventing and treating cataract using Xanthii fructus extract. The Xanthii fructus extract suppresses the development of cataract and has excellent therapeutic effect on cataract. CONSTITUTION: A composition for preventing and treating cataract contains Xanthii fructus extract, pharmaceutically acceptable carrier, excipient or diluent and is formulated as tablet, capsule, suspension, syrup, drink, injection and the like. The Xanthii fructus extract is manufactured by the steps of: pulverizing dried Xanthii fructus into powder and adding organic solvent thereto to dissolve fat-substance; removing the organic solvent therefrom and followed by extracting the powder with water and filtering it; saturating filtrate under high pressure and removing coagulated proteins; adding organic solvent to the filtrate to remove soluble material; separating water layer therefrom then drying it. Wherein, organic solvent can chloroform or hexane.