HPLC法测定清洁用凝胶中茶皂素的含量

Northwest Pharmaceutical Journal(2011)

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Abstract
目的建立一种测定纯天然清洁用凝胶中茶皂素含量的方法,为该清洁用凝胶标准化工业生产提供参考。方法 HPLC法,采用正丁醇萃取茶皂素,以Shim-pack VP-DOS C18色谱柱(150 mm×4.6 mm,5μm)为检测色谱柱,甲-醇5 mL.L-1醋酸(95∶5)为流动相,流速为0.5 mL.min-1,检测波长为280nm,柱温为30℃,记录时间为30 min。结果茶皂素在0.6258~12.516μg范围内线性关系良好,回收率为96.3%(RSD为1.3%)。结论该方法简便易行,结果准确,可作为该制剂中茶皂素的定量分析方法。
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