1.Natual feed/food colorant 2.colorants natrual extract 3. ... It can be used as coloring agent and additive for domestic bird feed, and it is a function that used ... used in food, health products, cosmetics, pharmaceutical and feed additive.(1)Applied in food field, it is mainly used ... and UV protection.(4)Applied in feed additive, it is mainly used in feed additive for laying hens and table poultry ...