一种快速检测茶叶中儿茶素的HPLC方法

摘要

该方法能够同时测定普洱茶中右旋儿茶素(+C)、表儿茶素(EC)、表没食子儿茶素(EGC)、表儿茶素没食子酸酯(ECC)、表没食子儿茶素没食子酸酯(EGCG)、没食子儿茶素(GC)、儿茶素没食子酸酯(CG)、没食子儿茶素没食子酸酯(GCG)和没食子酸(GA)九种儿茶素组分,各组分获得了理想的分离,且具有良好的线性关系.本方法快速、准确、重复性好,适用于普洱茶中上述9种儿茶素组分的定性及定量分析.%The nine components in tea, including D-catechin ( +C), epicatechin (EC), epigallocatechin( EGC) , epicatechin gallate (ECG) , epigallocatechin gallate ( EGCG) ,gallocatechin(GC) , catechin gallate (CG) , gallocatechin gallate (GCG)and gallic acid(GA) nine components in tea were simultaneously determined by HPLC method. Using the method, the separation of each component was ideal, and with a good linear relationship. The method was rapid, accurate, reproducible and suitable for the qualitative and quantitative analysis of nine components of catechins in the Puer tea.