White tea is a slight alcohol tea, which is made by drying tea green to 90% dry and then drying it with slow fire until it is dry enough. Oolong tea refers to tea that is made by drying, baking, shaking, sorting, spreading and drying tea leaves. Making green is the main processing technology of oolong tea, and finishing is the key technology of oolong tea processing.
Drying of oolong tea is the whole process of slow running, drying is the whole process of fast running, and shaking green is the whole process of promoting running according to the friction damage of leaves. With the help of selenoprotein, a series of chemical changes have taken place in the process of alcohol production in fresh leaves. The contents are slowly transformed, transformed and accumulated, which reduces the air oxidation of chemicals such as proanthocyanidins and theanine and relieves the astringency. The fragrant beverage is thick, which can inactivate enzyme activity and stop alcohol production at the end of high temperature. Then, according to spreading and shaping, the concentration value is improved, and the quality of tea is locked according to drying, resulting in the unique taste of oolong tea, which belongs to semi-hairy tea.
2. Different nutrients
The theanine content of white tea is 65438 03.78%, and that of oolong tea is 65438 02.78%. The carbohydrate content of white tea is 3. 1.55%, and that of oolong tea is 1.425%. The caffeine content of white tea is 3.86%, and that of oolong tea is 3.09%. Soluble sugar white tea 12.5%, oolong tea 9.06%; Flavonoids and polysaccharides in white tea are 2.05 mg/g and 65438 0.32 mg/g respectively. /g is oolong tea; The water extract of white tea is 3 1.9%, and that of oolong tea is 27.9%. Obviously, the key nutrients of white tea are higher than oolong tea in all directions.
3, the taste is different. White tea is soft and sweet, of course, it has strong gas field and is resistant to brewing; Oolong tea has strong flavor, rich taste and unique personality. The characteristics of leaf bottom are usually "green leaves and red edges". It should be noted that it is not suitable for drinking oolong tea on an empty stomach or at night.
4. Tea is different. Most people think that white tea is cold, but it is not. If white tea withers and is washed away with enough water, its leaf bottom is comparable to Wuyi rock tea, half red and half green, and the tea is warm, respectful and thrifty, suitable for all seasons. Oolong tea is warm, and many sales areas have long enjoyed oolong tea; But the new Wuyi rock tea is very angry, so it is best to drink it after one year.
5. The rules of adjustment are different. White tea has strong adaptability to tea set, water, temperature and soaking time; Oolong tea requires high quality of water and tea sets, and it needs to be soaked for a long time. It is too rich and many people can't bear it.
6. The use value of aged tea is different. White tea has a long shelf life and is suitable for long-term storage. Old tea is precious: Oolong tea has a long shelf life. Except Tieguanyin and Taiwan Province Oolong tea, other Oolong teas do not need to be kept fresh. Among them, Wuyi Rock Tea also has the saying that "the monk is crimson, and every household shows off every other year".