Radish Red is a product of anthocyanins which is extracted from radish. By having the same character of other anthocyanins products, Radish Red gives a purplish red color shade in acidic water. It becomes purplish when it is put in neutral condition,and goes to blue when the environment changes into alkaline condition. Radish Red has a best stability to light and heat among other anthocyanins, therefore it is recommended to be used in low PH products even with clear package. Typical application: pickles, soft drink, jelly, candy, ice cream, etc Usage:pick requested amount of Radish Red and dissolve in acidic water with PH value around 3,then add aqueous solution into the end product.