Helps to delay aging: Tea polyphenols in green tea have strong antioxidant and physiological activity, and are scavengers of human free radicals.
Helps to inhibit cardiovascular diseases: there is a kind of tea polyphenols in green tea that plays an important role in human metabolism.
Help to prevent and fight cancer: Tea polyphenols in green tea can block the synthesis of various carcinogens such as ammonium nitrite in the body, and have the effect of directly killing cancer cells and improving the body's immunity.
Helps to prevent and treat radiation injury.
Helps to inhibit and resist viral bacteria: tea polyphenols in green tea have a strong astringent effect, have obvious inhibitory and killing effects on pathogenic bacteria and viruses, and have obvious effects on diminishing inflammation and stopping diarrhea.
Conducive to beauty and skin care: Tea polyphenols in green tea are water-soluble substances. Washing your face with it can remove greasy face, astringe pores, and have the effects of disinfection, sterilization, anti-aging of skin, and reducing the damage to skin caused by ultraviolet radiation in sunlight.
Helps to refresh the mind: Caffeine in green tea can stimulate the central nervous system of the human body, enhance the excitement process of the cerebral cortex, and have the effect of refreshing the mind and clearing the heart.
Helps to induce diuresis and relieve fatigue: Caffeine in green tea can stimulate the kidney, promote urine to be excreted quickly, improve the filtration rate of the kidney, and reduce the retention time of harmful substances in the kidney. Caffeine can also eliminate excessive lactic acid in urine, which helps to eliminate fatigue as soon as possible.
Second, the disadvantages of drinking green tea, as well as matters needing attention, mainly include:
Not suitable for fever, renal dysfunction, cardiovascular disease, habitual constipation, digestive tract ulcer, neurasthenia, insomnia, pregnant women, lactating women and children.
People with a bad stomach should not drink green tea, which is cold, and people with a bad stomach can easily cause flatulence and other symptoms.
Insomnia and dreaminess, the elderly and pregnant women can't drink green tea, because caffeine contained in green tea affects sleep.
Old people and pregnant women can't drink green tea.
It is not advisable for children to drink green tea, because tannic acid in green tea will hinder the absorption of nutrients such as protein and fat, which will further lead to the fragility of bones and teeth, and even cause children's allergies.
Not suitable for people with fever, renal insufficiency, cardiovascular disease, habitual constipation, digestive tract ulcer, neurasthenia, insomnia and other symptoms.
Patients with hypoglycemia should use it with caution, because green tea can quickly lower blood sugar in a short time.
Liver patients should avoid drinking green tea: most substances such as caffeine in green tea are metabolized by the liver. If the liver is sick, drinking too much tea will damage the liver tissue.
Anemia patients should not drink green tea. Tannic acid in green tea can combine with iron to form an insoluble final compound, so that the body can not get enough iron sources.
Women should not drink green tea during menstrual period: menstrual blood will consume iron in the body, and tannic acid in tea will hinder the absorption of iron in food.