Super-class: one bud and one leaf spread at the beginning, the included angle between buds and leaves is small, the buds are longer than leaves, the buds are even and fat, and the length of buds and leaves is less than 2.5cm.
Level 1: From one bud and one leaf to one bud and two leaves, one bud and one leaf is the main one, and one bud and two leaves are below 10%. The bud is slightly longer than the leaf, and the bud leaves are complete and uniform, and the length of the bud leaves is less than 3cm.
Grade II: one bud and one leaf to one bud and two leaves, with one bud and two leaves below 30%, the length of bud leaves is basically equal, the bud leaves are complete, and the length of bud leaves is not more than 3.5cm.
Level 3: From one bud with two leaves to one bud with three leaves, one bud with two leaves is the main one, with three leaves in one bud not exceeding 30%, the leaves are longer than the bud, the bud leaves are complete, and the length of the bud leaves is not more than 4cm.
Grade 4: one bud with two leaves to one bud with three leaves, with no more than 50% of leaves in one bud, leaves longer than the bud, and some tender leaves with a length of no more than 4.5 cm.
Extended data
West Lake Longjing Tea is produced in Xihu District, Hangzhou City, Zhejiang Province, and has the reputation of "green color, strong fragrance, sweet taste and beautiful shape". It contains more amino acids, catechins, chlorophyll, vitamin C and other ingredients than other teas, and is rich in nutrition. West Lake Longjing tea has eleven functions and functions, the main functions are as follows:
(1) Deodorization helps digestion.
(2) lose weight and beauty.
(3) delay aging.
(4) eliminate fatigue.
Baidu Encyclopedia-West Lake Longjing