Pigment

Details Pigment Pigment

A - Human Necessities

23

K

A23K 1/18 (2006.01) A23K 1/16 (2006.01)

Patent

CA 2373151

The present invention provides a method of improving the pigmentation of fish flesh. Specifically, this is brought about through feeding the fish with both pigment and cholesterol, which are generally combined into a foodstuff. This addition of the pigments in the diet which results in a change in flesh colour, blood pigment levels and flesh pigment levels of the fish. Further, the uptake of pigment into the plasma and flesh is shown to be optimal when the feed contains a cholesterol level of between 1 and 3 percent. Such a method of enhancing the uptake of pigment by fish can be used on Atlantic salmon, rainbow trout, other salmonids, tropical fish and any other fish species where the pigment colour of either the flesh or skin is important.

La présente invention concerne un procédé pour améliorer la pigmentation d'une chair de poisson. Le procédé consiste notamment à donner au poisson du pigment et du cholestérol, généralement combinés sous forme de nourriture. L'ajout des pigments au régime du poisson modifie la couleur de sa chair, le taux du pigment dans le sang et le taux du pigment dans la chair du poisson. En outre, on a montré que l'absorption du pigment dans le plasma et la chair est optimale lorsque le taux de cholestérol dans l'alimentation est compris entre 1 et 3 pourcent. Ce procédé améliorant l'absorption du pigment dans la chair du poisson peut s'utiliser avec le saumon atlantique, la truite arc-en-ciel, d'autres salmonidés, des poissons tropicaux et toutes autres espèces de poisson dont la couleur de la peau ou de la chair a de l'importance.

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