As a drink, black tea is a good choice. Even children like it very much after being processed, except for its good taste. Black tea also has many benefits for human body. How good is drinking black tea for human body? What are the functions and effects of black tea? Let's have a look.
1、 Often drink black tea, energetic and quick thinking
Black tea contains caffeine, which can stimulate the cerebral cortex to excite the central nervous system, thus having the effect of refreshing, concentration and agile thinking. At the same time, caffeine can also stimulate the cardiovascular system and accelerate metabolism, which speeds up the excretion of lactic acid in the body, and also has the effect of eliminating fatigue.
2、 Drinking black tea often can delay aging and keep youth forever
Black tea and green tea have roughly the same effect, but their antioxidants are much more complex than green tea, especially for the heart. The anti-aging effect of black tea is better than that of garlic, broccoli and carrot.
3、 Drinking black tea often can prevent influenza
Black tea is rich in catechins, which can help inhibit the activity of oxygen free radicals in the human body, help the human body to resist external viruses, and also inhibit the growth of tumors.
Relevant research shows that when the concentration of black tea reaches 5%, it can completely kill cold germs, while the concentration of black tea we usually drink is generally between 2% and 5%. Rinse your mouth every morning and evening, and hold the black tea in your mouth for 15-20 seconds, then spit it out. Repeat this for two or three times to effectively prevent influenza.
4、 Drinking black tea can relax blood vessels
According to the same study in the United States, when people with heart disease drink four cups of black tea a day, their vasodilation can be increased from 6% to 10%. When people are stimulated, their vasodilation will be increased by 13%.
Black tea contains a variety of water-soluble vitamins and rich potassium elements & hellip; hellip; black tea after brewing, about 70% of potassium is dissolved in the tea soup, potassium can effectively enhance the blood circulation of the heart.
5、 Drinking black tea often can prevent osteoporosis
Polyphenols in black tea can inhibit the activity of bone cell. In order to prevent osteoporosis, it is suggested that we drink a cup of black tea every day, and add lemon to the black tea, so that the effect of strengthening bones is more obvious.