Stabilisation of pigments and polyunsaturated oils.

摘要

The present invention relates to a method for stabilizing vegetable and animal oils as well as pigments like astaxanthin and canthaxanthin with regard to oxidation. It also relates to a feed for salmonids, and a method for optimising the effect of the pigment in feed for salmonids. Essential feature by the invention are treatment by or presence of urea.