Stabilisation of pigments and polyunsaturated oils and oil concentrates
AssigneePronova Biopharma Norge AS
InventorsHarald Breivik, Lola Irene Sanna, Berit Annie Aanesen
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Abstract
The present invention relates to a method for stabilising vegetable, marine and single cell oils/oil concentrates 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. Furthermore, the invention relates to a health care product and a composition for prophylaxis or therapeutical treatment. Essential features by the invention are treatment by or presence of amines/amides.
Claims24
Method for stabilising vegetable oils, marine oils and single cell oils and concentrates thereof, characterized by treating the oil or oil concentrate by one ore more amines or amides of the general formula
- 1
- , where each of R1, R2 and R3 are independently chosen from H, C1-C10-alkyl, C2-C10-alkenyl, or RC(O)— or RN(H)—C(O)—C(O)— where R is H, C1-C10-alkyl or C2-C10-alkenyl, or R′N(H)—C(O)— where R′ is C1-C10-alkyl, C2-C10-alkenyl, or H if at least two of R1, R2 and R3 are different from H.
Method according to any of the previous claims for stabilising vegetable oils, marine oils and single cell oils wherein the amines/amides are selected from allylurea, hexylamine, N-ethyldiisopropylamine, N,N′-dimethylurea, oxamide and butyramide.
Dependencies are inferred from the claim text.