Black tea is rich in carotene, vitamin A, calcium, phosphorus, magnesium, potassium, caffeine, isoleucine, leucine, lysine, glutamic acid, alanine and aspartic acid. In the process of black tea fermentation, the chemical reaction of polyphenols makes the chemical composition of fresh leaves change greatly, and it will produce theaflavins, thearubigins and other components, and its aroma is obviously higher than that of fresh leaves, forming the unique color, aroma and taste of black tea.

Efficacy and function of black tea: 1. Refresh your mind, 2. Promoting fluid production and clearing away heat, 3. Diuretic, 4. Anti-inflammatory and sterilization, 5. Detoxification, 6. Strengthen bones, 7. Anti-aging, 8. Nourishing and protecting the stomach, 9. Anti-cancer, 10. Relax the blood vessels.

Nutritional value of green tea;

1. Tea is a drink rich in vitamin K, and also contains vitamin C and other ingredients. It has the effects of resisting platelet aggregation, promoting dietary fiber dissolution, lowering blood pressure and blood lipid, and is very beneficial to the prevention and treatment of cardiovascular diseases.

2. Tea contains fluorine, tea polyphenols and other ingredients. Drinking tea can prevent caries and strengthen teeth.

3. Tea is rich in vitamin A and vitamin E, and contains a variety of anti-cancer and anti-aging trace elements. It is a natural bodybuilding drink, which helps to keep skin smooth and tender, reduce wrinkles, resist oxidation, prevent radiation, improve immunity and prevent tumors.

4. Tea also has the functions of refreshing, refreshing, enhancing immunity and eliminating fatigue.

Efficacy and function of green tea: 1. Green tea anti-aging, 2 Green tea is antibacterial, 3. Green tea lowers blood fat, 4. Green tea slimming and fat reduction, 5. Green tea prevents dental caries and bad breath, 6. Green tea can resist cancer and ultraviolet rays, 8. Green tea can improve indigestion. Recent research reports show that green tea can help improve indigestion.