2009•China Medical HeraldRequires access

Study on the extraction technology of polysaccharide of Sijunzi Decoction

Yuhong Liu

Abstract

Objective: To optimize the conditions of extraction for polysaccharide of Sijunzi Decoction. Methods: Total carbohydrate content was determined by anthrone-sulfuric acid method, the extraction temperature, extraction time, extraction times and solvent volume were designed by an orthogonal test method. Results: It was optimal conditions that Sijunzi Decoction was extracted with hot water (W/V of 1∶15) at 95℃ every 3 hours for 3 times. Conclusion: The yield of polysac-charide is influenced by extraction conditions.

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Key concepts: Decoction, Medicine, Extraction (chemistry), Chromatography, Sulfuric acid, Yield (engineering), Anthrone, Solvent