Scientists have found that personnel exposed to gamma rays drank 1~2 cups of green tea 2~3 hours before starting work, which can obviously reduce damage caused by radiation. English scientists have found that green tea can effectively reduce harmful substances such as hydrogen peroxide and nitric oxide produced by ultraviolet light so as to reduce skin damage.
Tea polyphenols in green tea can dissolve fat, and vitamin C can promote the excretion of cholesterol. Green tea also contains tea manning, which can enhance the toughness of blood vessels. If you drink green tea often, blood vessels are not easy to rupture.
Superoxide dismutase is a free radical scavenger, which can effectively remove excess free radicals and prevent free radical damage to human body. Catechin in green tea can obviously improve the activity of superoxide dismutase and scavenge free radicals. Thus, regular drinking of green tea can help delay aging.
Green tea can prevent and treat cardiovascular diseases. Vitamin C in green tea can help reduce cholesterol deposition on the blood vessel wall and expel cholesterol.
Catechins in green tea can effectively inhibit cariogenic bacteria and reduce dental plaque and periodontitis. Tannic acid in green tea has bactericidal effect and can prevent food scraps from breeding bacteria. Thus, regular drinking of green tea can effectively prevent bad breath.
Green tea contains amino acids, phenolic derivatives, aromatic substances, vitamins and so on. The combined action of these substances, especially tea polyphenols and catechin and vitamin C, can promote fat burning and reduce blood lipids and cholesterol in the blood. For women, regular drinking of green tea can help digestion, reduce fat and lose weight
Green tea can lessen the dyspepsia symptoms of acute diarrhea caused by bacteria. Catechin in green tea can inhibit some bacteria causing human diseases without hurting the reproduction of beneficial bacteria in the intestine. Thus, it has the function of adjusting intestines and stomach
According to researches, the organic anticancer substances in green tea mainly include theophylline, tea polyphenols, vitamin C and vitamin E; and the inorganic anticancer elements in tea are mainly selenium, molybdenum, manganese, germanium and so on. In particular, caffeine and tea polyphenols have the functions of refreshing and nourishing, which also can help improve human immunity and prevent cancer.
Polyphenols in green tea can help protect nerve cells. Polyphenols in green tea can activate the factors supporting cell survival and inhibit the factors causing cell death and neurodegenerative diseases, so as to improve the survival rate of nerve cells and reduce the nerve cell damage caused by acids.
