2018 New Black Tea

Black tea contains a large of nols, although these nolic substances have a large molecular weight, which are quite different from those found in green tea. But from the results of clinical trials, it also has the functions of antioxidation, lowering blood lipids, inhibiting arteriosclerosis, enhancing capillaries function and anti mutation. Black tea contains lipopolysaccharide, so drinking black tea also has the effect of lowering blood sugar. Black tea has strong bactericidal and anti-inflammatory effects.

Black tea is full fermented tea and black tea is processed. Tea polynols, the main chemical component in the fresh leaves of tea, have undergone a series of enzymatic chemical changes under the action of enzymes. The tea polynols are oxidized and polymerized to form the theaflavins and theaflavins with large molecular weight. After the fresh leaves were processed to form black tea, the main components of the tea polynols were reduced by more than 80%. The tea Huang Sulei and theanin formed as the most important chemical components were formed. Theaflavins accounted for 9% -20% of the dry matter content of the 1%-2%. theaflavins, which accounted for about 4 of the water extracts of black tea. 0%-60%. Tea red cases and theaflavins are the characteristic substances of black tea, and their contents affect the quality and style of tea. At the same time, theaflavins and theaflavins are the most important active ingredients in black tea, and black tea shows good siological activity.

The content of caffeine in black tea is close to that of green tea; amino acids and peptides, organic acids and free sugars are slightly higher than those of green tea; vitamins are far lower than those of green tea. The main chemical components and characteristics of black tea are quite different from those of green tea. From the point of view of Chinese medicine, black tea is warm and green. Therefore, black tea has its unique characteristics in quality and health care.

Black tea is warm, cold in the middle, and cold in the stomach. It can reduce egm, eliminate food and appetizer. It is clear that black tea should be consumed by the weak and weak of the spleen and stomach. Therefore, in daily life, consumers with poor spleen and stomach should choose black tea for drinking, and drinking black tea is of great benefit to health.