黄芪药材HPLC特征图谱研究(1)皂苷类成分

目的: 建立黄芪中皂苷类成分的液相色谱特征图谱。 方法: 通过比较碱化处理前后皂苷类成分的变化,进一步证明碱性条件可以促使黄芪皂苷Ⅰ、Ⅱ转化为黄芪皂苷Ⅳ,并确定黄芪皂苷Ⅰ、Ⅱ、Ⅲ、Ⅳ为特征成分。 结果: 4个特征成分分离良好。 结论: 本方法简便易行,所选特征成分可用于黄芪中皂苷类成分的检查。

Objective: To establish the method of characteristic speetrum on astragali radix for saponins by HPLC.Methods: AstragalosideⅠ,Ⅱcould be transformed to astragaloside Ⅳ by Alkaline treatment.and astragalosideⅠ,Ⅱ,Ⅲ,Ⅳ were proved to be characteristic components of astragali radix.Results: The four saponins could be detected respectively.Conclution: This is a simple method which can be used to control the quality of astragali radix.

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