There are many varieties of black tea, and the specific varieties of black tea in China are Rizhao Black Tea, Qihong, Zhaopinghong, Huohong, Yunnan Dianhong, Yuehong, Quanchenghong, Quanchenglv, Su Hong, Chuanhong, Yinghong and Dongjiang Chuyunxian Black Tea. In addition, there are overseas black teas such as Assam Black Tea, Darjeeling Black Tea and Ceylon Black Tea.

Black tea is a tender leaf or bud of Camelliaceae tea. Black tea is not naturally grown, but made on the basis of green tea in the late Ming and early Qing dynasties. It is a kind of tea refined by a series of technological processes, such as withering, rolling (cutting), fermentation, drying and so on.

The ingredients in tea have a chemical reaction, which is brewed with water. It not only has a pleasant aroma, but also presents a unique dark red tea color, so it is called "black tea". Black tea was first recorded in the Handbook of Materia Medica, Compendium of Materia Medica, the famous camellia, the Dictionary of Traditional Chinese Medicine and Chinese Materia Medica. Black tea originated in China, and the earliest black tea in the world was invented by tea farmers in Wuyishan tea area of Fujian during the Ming Dynasty in China, with a history of more than 400 years.

Discrimination method of black tea:

1, hand grasp

First of all, feel the weight, tightness and thickness of black tea strips with your hands. The strings of high-quality black tea are relatively tight, and those who are heavy are better, while those who are rough and light are worse.

2. Eye view

Grab a handful of dry tea and put it on a white paper or white porcelain plate. Turn the plate clockwise or counterclockwise with both hands to observe whether the appearance of black tea dry tea is uniform, whether the color is consistent, and some need to see if it is golden. The rope knot is complete and clean, without broken tea or less broken tea, and the color is black and oily (some teas will also show gold).

3. Nose smell

That is to say, people's sense of smell is used to distinguish whether black tea has smoke coke, sour taste, stale taste, musty taste, sun smell and other peculiar smells. The dry tea of high-quality black tea is sweet and fragrant, and it will have a sweet and pleasant aroma after brewing, while the inferior tea and inferior Chaze are not obvious or mixed with peculiar smell.

4. Taste

When the appearance, dryness, color, aroma, etc. of dry tea meet the purchase standards, you can take some tea and chew it in your mouth to learn more about the quality according to the taste. In addition, you can also taste the soup by opening it.

The taste of high-quality black tea is mainly sweet and mellow, while the taste of small black tea is mellow and sweet, and Kung Fu black tea is mainly fresh, strong, mellow and refreshing. These characteristics are not obvious in inferior tea, while the taste of inferior tea is astringent, bitter and even smelly.