Judging from the efficacy and function of black tea, black tea, one of the six major teas in tea classification, is rich in a large number of phenols. From the results of clinical trials, these phenols also have the effects of antioxidation, reducing blood lipid, inhibiting arteriosclerosis, enhancing capillary function, and resisting mutation. Black tea contains lipopolysaccharide, so drinking black tea can also lower blood sugar. Black tea has a strong bactericidal and anti-inflammatory effect.

In addition, the caffeine content in black tea is close to that in green tea, and amino acids and peptides, organic acids and free sugars are slightly higher than those in green tea, while vitamins are far lower than those in green tea. The main chemical components and characteristics of black tea are quite different from those of green tea. From the perspective of Chinese medicine, black tea is warm and green tea is cool. Therefore, the quality characteristics and health care function of black tea are also unique.

Extended data:

Precautions for drinking black tea:

1, people with insomnia and neurasthenia can't drink black tea, which will aggravate insomnia.

People with stomach fever can't drink black tea because it is warm.

People with stones and tumors can't drink black tea.

People who are nervous and emotional can't drink black tea, because caffeine in black tea can make people feel excited.

People who get angry easily can't drink black tea.

6. People who are taking drugs can't drink black tea, because some ingredients in black tea will reduce the medicinal properties of drugs.

Baidu encyclopedia-black tea