EGCG

EGCG is the most effective polyphenol antioxidant in green tea, which has the activities of antioxidant, anticancer, anti-mutation and so on. Its antioxidant activity is at least 100 times more than vitamin C, 25 times than the vitamin E, which can protect cells and DNA from the damage that relates to cancer, heart disease and other serious diseases. These effects of EGCG are attributed to their scavenging (antioxidant) abilities on reactive free radicals.

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EGCG is a polyphenolic compound extracted from green tea. Medical experts in the study found, although EGCG is unable to penetrate the epidermis, it can provide energy for cells from the most external epidermal layer for the purpose of the cells division and differentiation again as well as activity increased so as to perfect the state of the skin surface. Since it is the extraction of green tea, it also has effects on dissolving fat and deoiling.

EGCG is the main components of tea polyphenol (TP) and catechin of green tea, which accounts for 10-15% of total green tea catechins. Catechins includes EGCG, EGC, ECG, EC, ECG, which antioxidant activities followed by EC-ECG-EGC-EGCG.

In studies the potential health benefits ascribed to EGCG include protecting cells from DNA damage induced by reactive free radicals, anti radiation and ultraviolet, anti oil peroxidation, reducing the contents of LDL cholesterol, super-low density cholesterol and triglyceride in the serum, interfering the signal transmission required by cancer cells’ survival, inhibiting the carcinogenic substances in the diet, preventing the activity of certain carcinogens by combined action with other enzymes and antioxidant effects of intestines, liver and lung, scavenging free radicals, resisting the effects of pollution, sun and smoking as well as the prevention and treatment of skin aging and wrinkling.

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