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202 1 green tea implementation standard
According to 202 1 green tea production standard, green tea shall not be colored, and non-tea substances shall not be added. Of course, adding pigment is absolutely not allowed.

Green tea, English green tea, is one of the main teas in China.

Green tea is made from the new leaves or buds of tea trees, without fermentation, through the processes of enzyme fixation, shaping and drying. , and retains the natural substances of fresh leaves, including tea polyphenols, catechins, chlorophyll, caffeine, amino acids, vitamins and other nutrients. The color is green, and the tea soup retains the green style of new tea, hence the name.

Drinking green tea regularly can prevent cancer, reduce fat and lose weight, and also reduce the harm of nicotine to smokers.

The development of history

Judging from the recorded history, Mengding Mountain is the earliest place in the history of our country where artificial cultivation of tea is recorded. It can be proved from Tong Yue written by Wang Bao and Legend of Planting Tea Trees in Mengshan written by Wu Lizhen that Mengding Mountain in Sichuan is the origin of tea planting and tea manufacturing.

Green tea originated in Bati (now in northern Sichuan and southwestern Shaanxi). According to "Huayang Guozhi Bazhi", when the Zhou Dynasty attacked, Ba people sent tea to the army. Huayang County Records is a faithful history. It can be concluded that the Ba people in northern Sichuan (seven buddha Gongcha) began to cultivate tea artificially in the garden no later than the Western Zhou Dynasty.