【摘要】 目的对荷叶药材的质量标准进行了初步研究。方法采用薄层色谱法对荷叶中的生物碱进行鉴别;采用紫外分光光度法对总黄酮进行含量测定。结果建立了荷叶薄层色谱鉴别方法;确定了总黄酮的最佳提取条件并建立了总黄酮含量测定方法,荷叶中的总黄酮含量约为13%。结论该法重复性和稳定性良好,作为简便快捷的定量分析方法是可行的。更多还原

【Abstract】 Objective To study the quality standard of Folium Nelumbinis.Methods Flavonoids of Folium Nelumbinis were identified by TLC.The extraction conditions of flavonoids was studied and the content of total flavonoids was determined by ultraviolet spectrophotometry .Results Quercetin in Folium Nelumbinis was identified by TLC.The optimal extraction conditions were defined and the content of total flavonoids was about 13 %.Conclusion This method is simple and convenient, and is feasible for the quantitative determination of Folium Nelumbinis.更多还原