Efficacy of green tea 1. 1. Beauty: For beauty and health, please drink green tea on your skin to eliminate many skin problems such as black spots, wrinkles, freckles and chapped skin. Green tea can be used for skin care and massage. 2. Cancer prevention: Four cups of green tea a day inhibit cancer cells. Recently, Purdue University further confirmed that EGCG (Epigalotechin-3-gallit) in green tea can inhibit the enzymes needed for the growth of cancer cells and kill cancer cells cultured in the laboratory without harming healthy cells. This study is about to be tested on humans. -Gastrointestinal cancer, ovarian cancer, breast cancer and skin cancer Green tea can prevent gastrointestinal cancer. Drinking green tea every day can reduce the incidence of ovarian cancer. Women who insist on drinking green tea every day can reduce the incidence of ovarian cancer by nearly 60% compared with other women. It is found that green tea can prevent breast cancer. Four cups of green tea a day can prevent skin cancer. Possible reasons: rich in antioxidants such as EGCG; Green tea can cause new blood vessels around cancer cells to shrink. 3. Weight loss experts-green tea In all kinds of tea, green tea does contain a lot of EGCG, which accelerates calorie burning, which may also be the reason why green tea can lose weight. 5. Fix teeth to prevent periodontal disease. Two. Eight effects of green tea Beijing Youth Daily May 0, 20031. Antioxidants contained in anti-aging green tea are helpful to anti-aging. Because in the process of human metabolism, if it is over-oxidized, it will produce a lot of free radicals, which are easy to age and cause cell damage. SOD (Superoxide Dismutase) is a kind of free radical scavenger, which can effectively remove excess free radicals and prevent the harm of free radicals to human body. Catechins in green tea can significantly improve SOD activity and scavenge free radicals. 2. Antibacterial research shows that catechins in green tea can inhibit some bacteria that cause human diseases, and at the same time, it will not harm the reproduction of beneficial bacteria in the intestine, so green tea has the function of whole intestine. 3. Animal experiments of lipid-lowering scientists show that catechins in tea can reduce the contents of total cholesterol, free cholesterol, low-density lipoprotein cholesterol and triglyceride in plasma, and at the same time increase high-density lipoprotein cholesterol. Human experiments show that it can inhibit platelet aggregation and reduce the incidence of arteriosclerosis. Green tea contains flavonol, which has antioxidant effect, prevents thrombosis and platelet aggregation, and reduces cardiovascular diseases. 4. Slimming and fat-reducing green tea contains theophylline and caffeine, which can activate protein kinase and triglyceride lipolytic enzyme through various functions, reduce the accumulation of fat cells, and thus achieve the effect of losing weight. 5. Anti-caries and bad breath green tea contains fluorine, in which catechins can inhibit the action of cariogenic bacteria and reduce the occurrence of dental plaque and periodontitis. Tannic acid contained in tea has bactericidal effect, which can prevent food residues from breeding bacteria, so it can effectively prevent bad breath.