... color for Geographic Indication Protection product in China. Tonghai Radish Red(Deodorized) Tonghai Radish Red(Red Radish Color), a pure natural and water soluble food color ... , washing, slicing, extracting, filtrating, purifying, concentrating, sterilizing(Tonghai Radish Red liquid), spraying & drying(Tonghai Radish Red powder). The main coloring ingredient is anthocyanin which ...