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茶树体内单糖含量低于双糖含量。单糖与双糖的比,成熟叶片平均为(1∶3.24)0.31,一芽二叶嫩梢为(1∶4.45)0.22,成龄茶树越冬老叶在春茶萌发至采摘初期单糖增加,双糖减少,糖总量也下降;发芽早的品种单糖增加少,双糖降低最多,糖总量亦大幅度下降。成龄茶树各季成熟叶片,单糖含量以秋梢叶最高,夏梢叶最低,春梢叶居中;双糖含量春梢叶最高,夏梢叶次之,
The content of monosaccharides in tea tree is lower than that of disaccharide. The ratios of monosaccharide and disaccharide were (1:3.24) 0.31 and (1: 4.45) 0.22, respectively. The over-wintering old leaves of mature tea trees increased from the germination of the spring tea until the early picking stage, Decreased sugar, total sugar also decreased; early budding varieties of monosaccharides increased less, the largest reduction of disaccharide, sugar also dropped significantly. The mature leaves of mature tea trees in different seasons showed that the content of monosaccharide was the highest in autumn leaves, the lowest in summer leaves and the middle in spring leaves. The content of disaccharide in spring was the highest,