... :10%,30%,50%,70% Chlorogenic acid:50% Name: Green Coffee Powder Extract Specification: Chlorogenic acids 10% , 30% ,50% ,70% Chlorogenic acid ... Light Yellow Fine Powder Oder &Taste CharacteristicAssay Chlorogenic acids50% HPLC Coffeine 2%Loss on Dring NMT 5%Heavy Metals NMT20ppm Arsenic NMT ... strong light and heat.Shelf Life :24 months Green Coffee Powder Extract