2. Green tea belongs to non-fermented tea, which retains the natural substances of fresh leaves and contains many nutrients such as tea polyphenols, catechins, chlorophyll, caffeine, amino acids and vitamins. These natural nutrients in green tea have special effects of anti-aging, sterilization and anti-inflammation. Tea polyphenols such as theanine are recognized as substances beneficial to health in green tea. Green tea can reduce the risk of breast cancer, prostate cancer and other tumors. From the perspective of traditional Chinese medicine, green tea is slightly cold, which helps to reduce fire. People with cold stomach should drink less, people with hot and dry constitution who are easy to get angry and people with strong constitution should drink.
3. Yellow tea belongs to light fermented tea, which is usually divided into yellow bud tea, yellow bud tea and yellow tea according to the tenderness of fresh leaves. The main quality characteristics of yellow tea are yellow leaves and yellow soup, not only yellow leaves and yellow tea soup, but also dry tea with Huang Liang, which has pleasant aroma and mellow and refreshing taste. Yellow tea is retting tea. According to many literature studies, yellow tea will produce a large number of digestive enzymes in the process of retting, which is good for the spleen and stomach, indigestion, loss of appetite, laziness and obesity.
4. Black tea belongs to post-fermented tea. Under the action of microorganisms, tea undergoes a series of complex chemical reactions, producing some components beneficial to human body. The most important things are vitamins and minerals, as well as protein, amino acids and sugars. Black tea has a strong function of relieving greasy and helping digestion. It can also improve the intestinal microbial environment and make the stomach unobstructed. Referring to a large number of clinical trials, the tea formed by microorganisms participating in the pile fermentation process has different effects because it is quite different from red and green tea. Has the effects of reducing blood fat, blood pressure, blood sugar and weight.
5. White tea is a kind of micro-fermented tea, which is a wonderful flower in China tea. It refers to a kind of tea that is picked and processed only by sun drying or slow fire drying without fixing and twisting. Literature shows that white tea is rich in natural flavonoids such as dihydromyricetin, which can protect the liver, greatly reduce the damage of ethanol to the liver and quickly restore the normal state of the liver. It also has the effects of clearing away heat and moistening lung, calming liver and nourishing blood, diminishing inflammation and removing toxic substances, lowering blood pressure and lipid, and relieving fatigue. Especially for physical discomfort and digestive dysfunction caused by excessive alcohol and tobacco, excessive greasy and excessive liver fire.
6. Oolong tea belongs to semi-fermented tea. Oolong tea is a kind of high-quality tea, which is made by the processes of fixing, withering, shaking, semi-fermentation, baking and so on. Oolong tea can dissolve fat, because tannic acid, the main component of tea, is closely related to fat metabolism. Oolong tea can reduce the cholesterol content in the blood and is a rare slimming tea. Oolong tea is flat, which can clear away accumulated heat in the body, especially suitable for drinking in autumn, and can relieve autumn dryness.