A - Human Necessities – 23 – K
Patent
A - Human Necessities
23
K
A23K 1/16 (2006.01) A23D 9/00 (2006.01) A23K 1/18 (2006.01) A23L 1/30 (2006.01) C11B 1/00 (2006.01)
Patent
CA 2524863
The present invention provides natural fish oils comprising altered fatty acid profiles, which are useful e.g. as a nutritional supplement. In one aspect, the invention relates to a method for obtaining such fish oils with altered fatty acid profile, in particular, oils containing nutritionally important fatty acids such as Arachidonic acid, Eicosapentaenoic acid and Docodahecsanoic acid. The method comprises the steps of (a) feeding fish a composition comprising at least one fatty acid, so as to obtain altered levels of an endogenous and/or non-endogenous fatty acid in said fish, and (b) extracting oil comprising altered levels of the at least one fatty acid from said fish. The invention further relates to a method of purifying a composition comprising at least one fatty acid by feeding a first composition to a fish and extracting a second composition comprising the at least one fatty acid from said fish. Further aspects of the invention relate to a method of preparing a triglyceride, a method of rearing fish, and use of compositions according to the invention for the preparation of a dietary supplement, a nutraceutical and/or as a food/feed additive. The invention also relates to oils obtainable by the methods of the invention, to fish comprising altered levels of Arachidonic acid, Eicosapentaenoic acid and Docosahecsanoic acid, as well as oil from a fish comprising altered levels of these fatty acids.
L'invention porte sur des huiles naturelles de poissons, à profil d'acides gras modifié, utilisables notamment comme compléments alimentaires, et notamment sur un procédé d'obtention de telles huiles à teneur élevée en acides gras importants du point de vue nutritionnel, tels que les acides arachidonique, eicosapentanoïque et docosahexaénoïque. Ledit procédé consiste: (a) à alimenter des poissons avec une composition comportant au moins un acide gras pour produire dans les poissons des niveaux modifiés d'acides gras endogènes et non endogènes, et (b) à extraire des poissons des niveaux modifiés d'au moins un des acides gras. L'invention porte également sur un procédé de purification d'une composition comprenant au moins un acide gras consistant à nourrir des poissons d'une première composition et à en extraire une deuxième composition comprenant au moins l'un desdits acides gras. L'invention porte également sur un procédé de préparation d'un triglycéride, sur un procédé d'alevinage, et sur l'utilisation des compositions de l'invention pour préparer des suppléments diététiques ou d'additifs nutraceutiques et/ou alimentaires. L'invention porte en outre sur les huiles obtenues à l'aide de ladite invention, sur des poissons comportant des niveaux modifiés d'acides arachidonique, eicosapentanoïque et docosahexaénoïque, ainsi que sur de l'huile de poisson comprenant des niveaux modifiés de ces acides gras.
Riege Leif A.
Skjaevestad Bjorn
Standal Hakon
Denofa As
Denomega Nutritional Oils As
Gowling Lafleur Henderson Llp
LandOfFree
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