1.Specification Total Tea Polyphenols>99.0% Total Catechins >90.0% EGCG >80% Caffeine <0.1 % 2.Index a) Physical Properties: Color: light pink Appearance: Powder b) Chemical Specifications: PH: 5.0-6.0 Moisture: <5.0% Heavy Metals Pb<1ppm As<1ppm Ash<0.3% c) Microbiology: Total Aerobic Microbial Count<1000 cfu/gram Total Yeast and Mold<100 cfu/gram Salmonella Negative E. coli Negative