Carotenoid esters, carotenoid-enriched feeds, and methods of pigmenting foods and foodstuffs

摘要

The present invention is a method for pigmenting a food or foodstuff comprising combining in a source of feed, a carotenoid ester of formula I: chemistry chemdraw filechemistry mol file;wherein R is methyl, C_3-16-alkyl, C_3-16-alkenyl, or C_5-8-cycloalkyl. Further embraced by the invention are the carotenoid-enriched feeds, e.g., for poultry, fish, or crustacea, premixes for incorporation in such feeds, and beadlets containing the carotenoid ester for incorporation in such premixes. A further aspect of the present invention is carotenoid esters of formula I.