How to classify and grade tea?

According to the quality grade of tea, different grades of tea are different, generally divided into super, first, second, third, fourth and fifth grades. Some premium teas are further subdivided into premium, second and third grades, while Pu 'er loose tea is further divided into premium, first and second grades ... ten grades, * * 1 1, with different grades.

The grades of various commercial teas of the same color are divided according to the age and tenderness of the tea. The grade number is from small to large, and the tea quality is from high to low. For example, roasted green tea is often divided into six grades, such as 12 (each grade includes two grades and seven grades, such as 14). The quality of grade one and grade two is better than grade two and grade three. Mei tea in refined tea is also graded, such as the first and second grades of super tea; Jane's eyebrows are primary and secondary. In order to facilitate negotiation and ordering, the export of plum tea is often represented by a certain number.

Extended data

Although there is no unified method for the classification of tea in China, the scientific classification is based on the differences in production methods and quality. In particular, according to the degree of oxidative polymerization of tea polyphenols in various teas, various teas are divided into six categories, namely green tea, yellow tea, white tea, green tea, black tea and black tea. The oxidation of tea polyphenols in green tea is the lightest, and that in black tea is the heaviest.

Refer to Baidu Encyclopedia-Tea Grade