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Apocarotenoic acid ethyl ester
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Chemical name: Ethyl 8’-apo-β-caroten-8’-oate
Synonyms: Apocarotenoic ester, apoester
CAS number: 1109-11-1
EINECS: 214-173-7
Molecular formula: C32H44O2
Molecular weight: 460.7
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Apocarotenoic ester is considered as a naturally occurring metabolite in animal tissues. It also exists as a metabolic product of apocarotinal in citrus fruits, green vegetables and lucerne. Apocarotenoic ester shows antioxidant properties and has a positive impact on the immune system.
Apocarotenoic ester is a yellow carotenoid and widely used in the feed industry as an additive for offering yellow pigmentation of egg yolk and poultry skin. It is a highly potent yellow colourant available to poultry industry. In comparison to yellow xanthophylls from plants, apocarotenoic ester is in a high bioavailability form and has a higher deposition rate in egg yolk and poultry skin. It is also used for fish pigmentation in some Asian countries.
ApoEplus®10% consists of orange-red, free-flowing beadlets. Each individual beadlet contains apocarotenoic ester in a protective matrix. ApoEplus®10% is the product of choice for the feed industry. The high purity apocarotenoic ester is finely emulsified with antioxidants and dispersed evenly in a protective matrix. The fine emulsion of apocarotenoic ester allows an optimum absorption of the carotenoid in the digestive tract resulting in a higher deposition rate in target sites. The product is manufactured by the spray-dried coating technology and the use of antioxidants protects the conjugated double bond structure of the apocarotenoic ester molecule from oxidative decomposition when exposed to air, heat and humidity.
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