对河南省茶树良种繁育场龙井长叶、龙井43、平阳特早、白毫早、乌牛早等5个茶树品种制成的桐柏玉叶茶的氨基酸、茶多酚、咖啡碱、叶绿素等主要化学成分进行了测定。结果表明,龙井长叶含茶多酚量最高,滋味比较浓;平阳特早含氨基酸含量最高;白毫早水浸出物含量最高,滋味比较浓厚;平阳特早所含的叶绿素量最高。 The main chemical components of amino acids, polyphenols, caffeine and chlorophyll of Tongbaiyuye tea made from 5 tea varieties of tea tree breeding farms such as Longjing Changye, Longjing 43, Pingyangtejian, Baizaozao and Wuniuzao, The ingredients were measured. The results showed that the content of polyphenols in Longjing tea with the highest content of leaves was the highest, while the flavor was relatively strong. The content of amino acids in early Pingyang was the highest, while the content of water extract in Baihao early was the highest and the flavor was relatively strong.