Black tea is a kind of fully fermented tea, which is refined through a series of technological processes such as withering, rolling (cutting), fermentation and drying. Withering is an important process in the primary processing of black tea, which is called. Black tea? . Black tea is named after the tea soup and leaf background color are red after brewing dry tea. The varieties of China black tea mainly include Rizhao black tea, Qi Hong, Zhaopinghong, Huohong, Dianhong, Yue Hong, Quanchenghong, Quanchenglv, Su Hong, Chuanhong, Hong Ying and Dongjiang Chuyunxian black tea, among which Qimen black tea is the most famous.

Black tea has ten health-preserving effects.

1, refresh

Black tea contains caffeine, which can stimulate the cerebral cortex, excite the nerve center, help to cheer up the spirit, make the thinking reaction more agile, and play the role of refreshing and promoting thinking.

2, nourishing the stomach

As we all know, black tea is a kind of tea which is fermented and baked. It's gentle. Drinking black tea with sugar and milk often has the function of protecting gastric mucosa and treating gastrointestinal ulcer to some extent.

3, diuresis

Caffeine in black tea can stimulate the kidney, dilate renal capillaries, and inhibit the reabsorption of water by renal tubules, thus increasing urine output. Patients with poor urinary tract may wish to drink more black tea, which has many benefits.

Step 4 quench your thirst

Drinking black tea properly can quench thirst and promote fluid production, because black tea contains sugars, amino acids, pectin and so on. It can react with saliva to make the mouth feel cool and moist.

5, sterilization

Experiments show that polyphenols in black tea have anti-inflammatory and bactericidal effects. People often use strong black tea water to smear wounds, which can play a role in cleaning, disinfection and sterilization.

6. Detoxification

Black tea is rich in tea alkaloids and has the ability to attach heavy metals and alkaloids and precipitate and decompose them. Drinking black tea often helps to decompose harmful substances in the body, and it is a very good health drink for modern people whose drinking water and food are polluted.

7. Anti-aging

Related research results show that antioxidants in black tea have stronger anti-aging effect than garlic, broccoli and carrots. Drinking black tea regularly can play a good role in beauty beauty and delaying aging.

8. Strong bones

American medical college pointed out through investigation that people who drink black tea have stronger bones because polyphenols in black tea can inhibit and destroy bone cells. Drinking a small cup of black tea in moderation for a long time can effectively prevent osteoporosis.

9, tooth protection and vision

Black tea has a high fluorine content, and fluoride ions can form a protective film with calcium in teeth, which is quite beneficial for preventing dental caries, protecting teeth and strengthening teeth. At the same time, black tea is rich in vitamin C, which can reduce the turbidity of eyes and help to improve eyesight and clear heart.

10, vasodilation

A study in the American medical field found that patients with heart disease insist on drinking black tea in moderation every day, which can increase the vasodilation function of blood vessels. Therefore, drinking black tea can also relax blood vessels.

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