What are the ingredients of tea?

What are the ingredients of tea? Please introduce that tea has the following ingredients: catechin: commonly known as' tea tannin', is a unique ingredient of tea, with bitter, astringent and astringent taste. Caffeine: it has a bitter taste and is an important ingredient in the taste of tea. Minerals: tea is rich in potassium, calcium, magnesium, manganese and other 11 kinds of minerals. The function of the basic ingredients of tea: catechin: commonly known as' tea tannin', is a unique ingredient of tea, with bitter, astringent and astringent taste. It can be combined with caffeine in tea to ease the physiological effect of caffeine on the human body. It has the effects of anti-oxidation, anti-sudden mutation, anti-tumor, reducing the content of cholesterol and low-density ester protein in blood, inhibiting the rise of blood pressure, inhibiting platelet aggregation, antibacterial, anti-product allergy and so on. Caffeine: it has a bitter taste and is an important ingredient in the taste of tea. In black tea, it combines with polyphenols to form a complex, and the tea forms the phenomenon of emulsification after cold. Tea-specific catechins and their oxidizing compounds can slow down the excitatory effect of caffeine, so drinking tea can keep long-distance drivers clear-headed and more endurance. Minerals: tea is rich in potassium, calcium, magnesium, manganese and other 11 kinds of minerals. Tea soup contains more cations and less anions, so it belongs to alkaline food. It can help keep body fluids alkaline and healthy. 1. Potassium: promote the elimination of blood sodium. High blood sodium content is one of the causes of hypertension. Drinking more tea can prevent hypertension. 2. Fluoride: it has the effect of preventing tooth decay. 3. Manganese: it has the effect of anti-oxidation and anti-aging, enhances immune function, and contributes to the utilization of calcium. Because it is insoluble in hot water, it can be ground into tea powder to eat. Vitamins: 1. Carotenoids: they can be converted into vitamins in the human body, but they can be supplemented only if they are not swallowed with tea. 2. Group B vitamins and vitamin C are water soluble and can be obtained from drinking tea. Other functional ingredients: 1, flavonols can enhance the microvascular wall to eliminate halitosis 2, diosgenin anti-cancer. Anti-inflammatory effect. 3. Aminobutyric acid is produced by forcing the tea leaves to breathe anaerobically in the process of making tea, which is said to prevent high blood pressure.

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