1, green tea: unfermented tea, its quality characteristics for the leaf color, soup color yellow-green, shape and variety, taste fresh and mellow and crisp, high aroma and color green, green tea is China's largest production of a class of tea.

2, black tea belongs to the fully fermented tea, with dry tea steeped out of the tea color is also mostly red.

3, yellow tea: yellow tea is slightly fermented tea, the finished yellow tea shape is relatively fat and straight. Thick is also very uniform, the leaves are complete and neat, between the tea buds show a golden shiny feeling. The color is mainly yellow.

4, white tea: is a slightly fermented tea, the degree of 20-30%, the tea tree fresh leaf raw materials have special requirements, that is, the requirements of the young buds and the following 1 ~ 2 young leaves are full of white hairs, the processing is characterized by not frying, kneading and drying directly. White tea soup color is yellow-green and clear, and the taste is fresh and mellow.

5, green tea: semi-fermented tea. Degree of 30-60%, is between black tea and green tea between a class of tea, its quality both green tea fragrance and floral aroma, but also has a black tea mellow and sweet taste.

6, black tea: black tea is a post-fermented tea, the degree of fermentation is 100%, based on the appearance of the finished tea is black.

Expanded Information:

Precautions:

1, avoid drinking tea after meals. Tea contains a lot of tannins, tannins can react with the iron in the food, generating a new substance that is difficult to dissolve, a long time to cause the human body iron deficiency, and even induced anemia. Therefore, the correct time to drink is one hour after the meal.

2, avoid drinking tea with fever. Tea contains theophylline, the role of elevated body temperature, fever patients drink tea is like pouring oil on the fire.

3, ulcer patients avoid drinking tea. Tea caffeine can promote gastric acid secretion, elevate the concentration of gastric acid, induced ulcers and even perforation.

4, avoid drinking tea during menstruation. Drinking tea during menstruation, especially strong tea, can induce or aggravate menstrual syndrome.

5, avoid drinking new tea. New tea storage time is short, containing more unoxidized polyphenols, aldehydes and alcohols and other substances, the human gastrointestinal mucosa has a strong stimulating effect, easy to induce gastric disease. Therefore, the black tea type of new tea should drink less, less than half a month of storage of new tea should avoid drinking.

Baidu Encyclopedia - Green Tea

Baidu Encyclopedia - Black Tea

Baidu Encyclopedia - Yellow Tea

Baidu Encyclopedia - White Tea

Baidu Encyclopedia - Green Tea

Baidu Encyclopedia - Black Tea