Catechin prevent for the enzyme to be activated. The lipid is dissolved by enzyme and absorbed to the body. But green tea's catechin prevent it by repress enzyme activation. And the carbohydrate is accumulated when it is not burned and remained in the body. That carbohydrate become lipid and is accumulated bit by bit. Catechin help for the remained energy source not to be compounded to lipid by repressing enzyme activation. Anti-aging Tannin, Vitamin C 5 times than lemon, Vitamin P(Bioflavonoid) disturb cell oxidation so that they help anti-aging, and prevents the adult-disease, cancer. Theanine, a kind of amino acid, which is contained in only green tea makes body to be relaxed and felt comfortable because of it's specific nervous calmness effect.