蒙顶茶中的儿茶素及氨基酸分析  

Analysis of Catechin and Amino Acids of Mengding Tea

作　　者：单虹丽[1] 杜晓[1,2] 郑晓娟[1] 

机构地区：[1]四川农业大学园艺学院,四川雅安625014 [2]四川省茶叶产品质量检测中心,四川雅安625014

出　　处：《湖北农业科学》2012年第12期2576-2579,共4页Hubei Agricultural Sciences

基　　金：国家质检行业公益专项(200910202)

摘　　要：以4种蒙顶茶为材料,采用高效液相色谱法分析了蒙顶茶的氨基酸及儿茶素组成含量。结果表明,蒙顶茶中儿茶素总量为12.91%～15.75%,其中EGCG含量最高,含量为6.67%～9.20%;蒙顶茶中氨基酸总量为3.456%～4.102%,其中茶氨酸含量为1.983%～2.372%。The content of total catechin and amino acids in four kinds of Mengding tea was analyzed by HPLC.The results showed that the content of total catechin was 12.91%～15.75% among which the content of EGCG was the highest（6.67%～9.20%）.The content of total amino acids in four tea was 3.456%~4.102% among which the theanine content was 1.983%~2.372%.

关 键 词：蒙顶茶 儿茶素 氨基酸 

分 类 号：TS272.7[农业科学—茶叶生产加工]