... Main Ingredient: Anthocyanin, flavonoid Appearance: Red Color, Purple Red Color Soluble in water, ethanol, ethylic acid ... ). Food Industry: Used for the Color-Dyeing or Color-Complementing in Alcohol, Sodas, Juice ... Color-Dyeing or Color-Complementing in Lipstick, Shampoo, Rouge, etc. (3). Medical Industry: Replacing Chemical Synthetic Pigment, or Manufacturing Colored Pills, etc. Purple Sweet Potato ...