意义: 茶叶是一种嗜好饮料。因此,它的品质的好坏,是我们作为选拔优良品种的一个最重要的调查项目。现在,茶叶的品质鉴定,大都以官能检查为主,甚至在茶树育种的选拔作业中,也是这种情况。可是,品质的好坏和所含的成分之间,是有着密切关系的,特别是红茶的品质,丹宁含量愈高品质也愈好。因此,我们从测定各个育种材料中所含的丹宁的多少,就能预知它的品质。由于茶 Significance: Tea is a hobby drink. Therefore, its quality is one of the most important surveys that we use as a selection of fine varieties. Now, the quality of tea identification, mostly based on functional tests, even in the selection of tea tree breeding operations, is also the case. However, the quality of the ingredients contained in and between, is closely related, especially the quality of black tea, the higher the quality of tannin content, the better. Therefore, we can predict the quality of tannin contained in each breeding material. Because of tea