Features Specifications:(-)-Epigallocatechin gallate (EGCG) Product Information: Cas No.: 989-51-5 Synonym: (2R, 3R)-2-(3,4,5-Trihydroxy-phenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-(3,4, 5-trihydroxybenzoate),(-)-Epigallocatechin gallate, (-)-Epigallocatechin gallate 3-O-gallate Molecular Formula: C22H18O11 Molecular Weight: 458.4 Solubility: Clear colorless solution at 5Mg/Ml in water Test Item: Appearance, Loss on drying, Total Ash, Assay, Heavy Metals, Arsenic, Microbiological. Packing: Nt.W:1kg/Al drum, with the inner plastic bag Storage: Store in a cool and dry area, keep sealed and keep away from direct light Caffeine is according to customer requirement Specification Other items Color Application EGCG 99% / Off-white  Medicine, Analysis EGCG 98% / Off-white  Medicine, Analysis EGCG 90%  / Off-white  Medicine, Health foodCosmetics EGCG 60%  Tea Polyphenol 99% min, Tea Catechins 80% min Yellow Health foodCosmetics, Food EGCG 50%  Tea Polyphenol 99% min, Tea Catechins 75% min Dark Yellow Health foodFood, Beverage EGCG 40%  Tea Polyphenol 90% min, Tea Catechins 70% min Dark Yellow Health foodFood, Beverage (-)-Epigallocatechin gallate (egcg), an most potent antioxidant polyphenols of green tea, is associated with antioxidant, antitumor and antimutagenic activities. The antioxidant activity is at lest 100 times effective than vitamin C and 25 timeseffective than vitamin E at protecting cells and DNA from damage which are believed to be linked to cancer, heart disease and other potentially fatal illnesses. The biological benefits of EGCG are generally attributed to their antioxidant activity to scavenge free radical oxygen.