... natural 5.deodorized,less odour Purple Sweet Potato Color(Deodorized)Purple Sweet Potato Color, a pure natural and ... filtrating, purifying, concentrating, sterilizing(purple sweet potato color liquid), spraying & drying(purple sweet potato color powder). The main ingredient is ... /g less than1,0001,000Pathogenic BacteriaNegativeNegative·ApplicationsPurple sweet potato color can be widely used in wine, ...