... cyanidin acyl glucoside & peonidin acyl glucoside.·AppearancePurple sweet potato color powder is red to purple red, liquid is brown ... propylene glycol solution easily, but not in oil. The color of water solution changes when PH is different. When PH ... Countcfu/g less than1,0001,000Pathogenic BacteriaNegativeNegative·ApplicationsPurple sweet potato color can be widely used in wine, beverage, fruit sauce ...