2001•Chinese New Drugs JournalRequires access

Isolation,purification and composition of polysaccharide X-C-3-II obtained from Angelica sinensis (Oliv)Diels

XU Gui-yun

Abstract

Objective:To study the composition of polysaccharide,X-C-3-Ⅱ,from Angelica sinensis(Oliv)Diels.Methods:The X-C-3-Ⅱ was isolated by extraction with hot water and precipated with alcohol;purified by column chromatography using DEAE-Sephadex A-25 as absorbent.Its composition was determined by gas chromatography.Results:A polysaccharide,X-C-3-Ⅱ,with a molecular weight of 1.0×105 was obtained.It consisted of glucose,galactose,arabinose,rhamnose and galacturonic acid in molar proportion of 56.0∶22.1∶18.9∶1.9∶1.1.Conclusion:X-C-3-Ⅱ is isolated first time from the plant.

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Key concepts: Angelica sinensis, Rhamnose, Polysaccharide, Sephadex, Arabinose, Chemistry, Chromatography, Composition (language)