Annatto is an orange powder extracted from annatto seeds, the color is bright yellow,close to yellow chrysanthemum.It is mainly used in margarine, cakes, soft drinks, meat and chocolate.

Grape skin red pigment is the anthocyanins, malt dextrin, a slight smell of grape extracted from the grape skin. It is mainly used for wine, carbonated drinks, juice drinks, jam, candy and pastries

Purple sweet potato is rich in red pigment,is an important source of new pigment. Its main component is acylation anthocyanins,with a clear anti-oxidation.The red pigment extracted from it, color bright, suitable for a variety of acidic foods. In aci

Anthocyanin is a water-soluble pigment,it can follow the concentration of cell sap pH to change the color.The Anthocyanin pigment widely present in purple sweet potato, grapes, blood orange, red cabbage, blueberries, eggplant skin, cherry, red-orange