... powder. 1. Polyphenols 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, 98% UV 2. Catechins 10%, 15 ... %, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 70%, 80%, 90%, 95% HPLC 4. Caffeine 1%, 5%, 8% ... International Co., Ltd.ItemsSpecificationAppearanceYellow PowderParticle Size100% through 80 MeshLoss on Drying< 5.0%Heavy Metals< ... is our main market, and we enjoyed a good reputation in Europe. Our heavy metals(As, Pb ...