建立了采用配位色谱柱从葛根素浸膏中分离纯化葛根素的方法.以铜离子为中心离子,制备了中心离子含量为7%的配位色谱柱.样品上样于配位色谱柱后,以氯仿-甲醇(体积比为10∶1)混合溶剂洗脱,得到了较纯的葛根素,较之用传统的硅胶色谱柱纯化,纯度提高了11%,回收率提高了12%,且柱容量提高了两倍.配位色谱改变了葛根素在传统硅胶柱上的洗脱顺序,对目标物质的分辨率比传统硅胶色谱柱高.
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