ItemSpecificationAssay :Total Polyphenols No Less Than 98.00%Catechins  No Less Than 60.00%EGCG      No Less Than 30.00%Caffeine    No Less Than 0.50%OrganolepticAppearanceLight Yellow  PowderOdorCharacteristicTasteCharacteristicDrying MethodSpray DryingPhysical CharacteristicsParticle SizeNLT 95% Through 80 MeshLoss on DryingNo More Than 5.0%Ash contentNo More Than 1.0%SolubilityWater SolubleHeavy metalsTotal Heavy MetalsNo More Than 10ppmLeadNo More Than 1.0ppmArsenicNo More Than 1.0ppmMicrobiological TestsTotal Plate CountNo More Than 1000cfu/gTotal Yeast & MoldNo More Than 100cfu/gE.ColiNegativeSalmonellaNegative