Red Radish color is extracted from the roots of the edible Red Radish, Used in pickles, sauce, juice, etc. Properties: Red Radish is a purple-red powder, which easily dissolves in water and alcohol, but not in fat solvent. When PH<7, the solution is red. The pigment’s resistance to light and heat is high in an acidic medium. It is useful for coloring drinks and medicine. It is non-poisonous to ...