一、相同立地条件芽叶主要生化成分的变化茶多酚含量;春茶以钦州大叶种含量最高;夏茶则以四川中叶种(蒙山)含量最高。春茶茶多酚含量的高低与叶序一致,即鱼叶展最高,四叶展最低。夏茶是一叶展最高,鱼叶展次之,其余仍依叶序而递减。秋茶—叶展最高,四叶展最低。轮次间呈春低( First, the same site conditions buds of the main biochemical components of tea polyphenols content; spring tea Qinzhou largest leaf content; summer tea is Sichuan middle leaf species (Mengshan) content is highest. The content of polyphenols in spring tea is consistent with the leaf order, that is, the highest in leaf and the lowest in fourth leaf. Summer tea is the highest leaf exhibition, followed by the leaves, the rest is still decreasing according to leaf order. Autumn tea - the highest leaf exhibition, the lowest four-leaf exhibition. Round low spring (