Xanthophylls
XanthophyllsXanthophylls are a class of natural pigments belonging to the carotenoid family. They are characterized by the presence of oxygen atoms in their molecular structure, which distinguishes them from hydrocarbon carotenes (such as beta-carotene). Xanthophylls are widely used as feed additives to enhance the coloration of poultry skin, egg yolks, and farmed fish. They are also known for their antioxidant properties and potential health benefits. Common xanthophylls used in animal nutrition include lutein, zeaxanthin, canthaxanthin, and astaxanthin .
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This product is designed to be incorporated into animal feed at specific ratios. Since animals cannot synthesize xanthophylls on their own, dietary supplementation is essential to achieve the desired pigmentation in eggs, meat, and skin. In poultry farming, xanthophylls are deposited in egg yolks and subcutaneous fat, producing the rich golden-yellow color preferred by consumers. In aquaculture, they are crucial for giving salmon and trout their characteristic pink-red flesh color .
Xanthophylls are available in both natural and synthetic forms. Natural sources include marigold extract (lutein), corn gluten meal, and alfalfa. Synthetic pigments such as canthaxanthin are also widely used. The choice of source depends on the target animal, desired color intensity, and market requirements.
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