water soluble Color

Purple Sweet Potato Color(Deodorized)Purple Sweet Potato Color, a pure natural and water soluble food color produced by our company, is extracted from purple root tuber of edible purple sweet potato (Impomoea batatas ) planted locally. The process is checking, washing, slicing, extracting, filtrating, purifying, concentrating, sterilizing(purple sweet potato color liquid), spraying & drying(purple sweet potato color powder). The main ingredient is cyanidin acyl glucoside & peonidin acyl glucoside. ·Appearance Purple sweet potato color powder is red to purple red, liquid is brown purple, both has the characteristic odor of sweet potato. It can be dissolved in water & alcohol, propylene glycol solution easily, but not in oil. The color of water solution changes when PH is different. When PH is between2-6, the color is red or purple red .The solution color becomes blue, and is unstable when PH is above 6. The color of solution can’t fade under light for a long time, and also has good resistance to high temperature in an acidic medium. ·Quality Standard ItemsEnterprise StandardPowderLiquidColor Value E(1%,1cm,PH3.0,530±3nm)30 8010 30Loss on Drying % Less than10——Ash % Less than42PH 2 42 4Lead(as Pb) mg/kg Less than53Arsenic(as As) mg/kg Less than21Total Plate Count cfu/g less than1,0001,000Pathogenic Bacteria NegativeNegative·Applications Purple sweet potato color can be widely used in wine, beverage, fruit sauce, candy, cake. ·Usage Reference Beverages 0.01 0.1%,candy 0.05 0.2%,cake 0.01 0.1% ·Legal registered number INS NO 163 EEC NO E-163 KFDA NO Natural Additives,142 Japanese NO Natural Additives,434 FDA NO 21CFR, 73.260