昆布多糖硫酸酯的结构分析

来源 :南京中医药大学学报 | 被引量 : 0次 | 上传用户:a471839794
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目的 对昆布多糖进行硫酸酯化,并对产物的纯度与结构进行分析,为研究其生物活性奠定物质基础.方法 利用氯磺酸-吡啶法对昆布多糖进行硫酸酯化,并使用HPLC-ELSD法测定反应产物的纯度与分子量;并利用波谱法研究其结构.结果 昆布多糖硫酸酯的纯度为96%,其分子量为16 315,紫外、红外光谱分析结果 均显示硫酸酯化多糖的光谱特征.结论 利用氯磺酸-吡啶法对昆布多糖进行硫酸酯化,该方法 所得产物的纯度和酯化率高.
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