Chemical Characteristic of Bioactive Polysaccharides Isolated from Ornithogalum caudatum Ait.

Abstract

Abstract: A water-soluble crude extract prepared from Ornithogalum caudatum Ait.(OCA) showing a high immunomodulating activitiy was isolated and characterized by virtue of gel filtration and column chromatography. The presence of the monosaccharides has been established by the chemical analysis. The quantitative analysis of the alditol acetate derivatives of them showed the ratios of the monosaccharides analyzed by means of GC respectively. The concentrations of protein(280 nm) and carbohydrate(496 nm) were detected respectively. The information of the molecular weight from the pure polysaccharide was obtained by several standard Dextrans from the Sephadex chromatography.

Key words: Ornithogalum caudatum Ait.(OCA), Polysaccharide, Immunomodulating activity

SHI Lei, LI Juan, LIU Wen-Xiang, WANG Yong, LIU Zhi-qiang, LIU Shu-ying. Chemical Characteristic of Bioactive Polysaccharides Isolated from Ornithogalum caudatum Ait.[J]. Chemical Research in Chinese Universities, 2003, 19(3): 286-289.

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Chemical Characteristic of Bioactive Polysaccharides Isolated from Ornithogalum caudatum Ait.

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