Apoester contains ß-apo-8'-carotenoic ethyl ester stabilized in a matrix of carbohydrates and gelatin coated with corn starch. It is mainly used in poultry feeds to improve the desired golden color of chicken skin and egg yolk. It can also be used to color the fish flesh of salmon, trout, aquarium fish, turtle, etc.
β-Apo-8’-Carotenoic Ethyl Ester
In the chicken industry, Apoester is commonly added to the food of the laying hen in order to achieve the color of the egg yolk. This is also used to intensify the skin color of the chicken.