FEED ADDITIVE FOR IMPROVED PIGMENT RETENTION containing hydroxycinnamic acids such as ferulic, gallic and syringic acids.

摘要

Disclosed is an extruded, formulated fish feed containing less than 10 percent by weight of ash, more than 20 percent by weight of fat, less than 20 percent by weight of starch-containing raw material, and pigment selected from the group of carotenoids, characterised in that the fish feed contains at least one water-soluble antioxidant selected from the group consisting of hydroxycinnamic acids and hydroxybenzoic acids (such as ferulic acid, gallic acid and syringic acid), and wherein the fish feed contains up to 40 mg of pigment per kg feed of at least one pigment selected from the group consisting of astaxanthin and canthaxanthin. Also disclosed is a method to increase the retention of pigment in the meat of salmonids by feeding the fish with the feed.