关键词: 硫酸酯多糖, 分离纯化, 纯度鉴定, 结构分析, sulfated polysaccharides, isolation and purification, purity identification, structure analysis

Abstract: The thesis generalizes several rmethods of removeing proteins and eliminating pigment from polysaccharide, and several kinds of principles and methods that classify and purify sulfated polysaccharides,including organic solvent precipitation,quaternary ammonium salt precipitation,ultrafiltration technology,ion exchange chromatography and gel chromatography,then summarizes the analytical methods of sulfated polysaccharides in terms of sulfate radical,relative molecular weight,total sugar,purity and structure.At last,the thesis puts forward to further research structure-function relationship of sulfated polysaccharides.