ITEMS SPECIFICATION METHODAppearance Fine Yellow Brown Powdervisual Odor Characteristic organoleptic Taste Characteristic organoleptic Total chlorogenic acid30%~60%HPLCCaffeineNLT 5%HPLCLoss on drying ≤5% GB5009.3Ashes ≤5% GB5009.4Bulk Density 35~60g/100ml Density meter Particle Size NLT 95% through 80 mesh Mesh sieve Heavy metals ≤10ppm GB/T5009.74-2003Lead (Pb) ≤2ppm GB5009.12-2010Arsenic (As) ≤1ppm GB/T5009.11-2003 Cadmium (Cd) ≤1ppm GB/T5009.15-2003Mercury (Hg) ≤0.1ppm GB/T5009.17-2003Ethanol residues≤5000ppmGCTotal Plate Count ≤1000CFU/G GB/T4789.2-2010Yeast and mould ≤100 CFU/G GB/T4789.15-2010 NegativeGB/T4789.38-2012SalmonellaNegativeGB4789.4-2010NegativeGB4789.10-2010