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皂甙和鞣质具有一些相似的理化性质而不易精确分离〔1〕，不但相互影响各自的药理作用，而且易使制剂变质浑浊，不易保存，严重地制约了它们的开发利用〔2，3〕。我们通过对往色谱分离过程中各组分紫外光谱的分析，可以证实地输中皂甙和鞣质在该色谱条件下得以完全分离，同时观
Saponin and tannin have some similar physicochemical properties and are not easy to separate accurately [1]. They not only affect each other’s pharmacological effects, but also make the preparations degenerate and turbid and difficult to preserve, which seriously restricts their development and utilization [2,3]. By analyzing the UV spectra of the components in the chromatographic separation process, we can confirm that the saponins and tannins in the infusion were completely separated under the chromatographic conditions.