Natural Grape Skin Pigment,Grape Skin Color,Grape Skin Extract Color,Grape Skin Powder,Grape Skin Coloring
Red Grape Skin Color is natural edible pigment extracted from the grape skin. Its main ingredient is anthocyanidin pigment, including oenins, syringidine etc. It is easily soluble in water and ethanol water liquor, not soluble in grease and anhydrous alcohol. Its hue and stability are affected by PH v-alue: It appears stable red or amaranth when in acid condition; blue in litmusless condition; dark blue in alkalescent condition.