Oxidatively stable polyunsaturated fatty acid containing oil

Abstract

An oil comprising (i) at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than about 1000 ppm lecithin. The oil may comprise less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative.

What is claimed is: 
     
         1 . An oil comprising
 (i) at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds;   (ii) at least one first antioxidant; and   (iii) less than about 1000 ppm lecithin.   
     
     
         2 . The oil according to  claim 1 , wherein said oil further comprises less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative. 
     
     
         3 . An oil comprising
 (i) at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds;   (ii) at least one first antioxidant; and   (iii) less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative.   
     
     
         4 . The oil according to  claim 3 , wherein said oil comprises less than about 150 ppm lecithin. 
     
     
         5 . The oil according to any preceding claim, wherein said oil comprises less than about 30 ppb iron. 
     
     
         6 . An oil comprising
 (i) at least at least one polyunsaturated fatty acid having at least 4 double bonds;   (ii) at least one first antioxidant; and   (iii) less than about 30 ppb iron,   wherein, optionally, the oil comprises at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds.   
     
     
         7 . An oil comprising
 (i) at least about 30 wt. % of one or more polyunsaturated fatty acids having at least 4 carbon-carbon double bonds;   (ii) at least one first antioxidant; and   (iii) means for improving oxidative stability, wherein said oil has a fishy aroma of less than 1.5.   
     
     
         8 . The oil according to  claim 6  or  7 , wherein said oil comprises less than about 1000 ppm lecithin. 
     
     
         9 . The oil according to anyone of  claims 6 - 9 , wherein said oil comprises less than about 750 ppm of a second antioxidant. 
     
     
         10 . The oil according to any one of  claims 7 - 9 , wherein said oil comprises less than about 30 ppb iron. 
     
     
         11 . The oil according to any preceding claim, wherein said oil further comprises a flavoring reagent. 
     
     
         12 . The oil according to  claim 11 , wherein said flavoring reagent is rosemary extract. 
     
     
         13 . The oil according to any preceding claim, wherein said oil is essentially free of a second antioxidant chosen from an ascorbic acid derivative. 
     
     
         14 . The oil according to any preceding claim, wherein that said oil is free of a second antioxidant chosen from an ascorbic acid derivative. 
     
     
         15 . The oil according to any one of  claims 1  to  12 , wherein the ascorbic acid derivative is present in an amount ranging from about 50 ppm to about 400 ppm, for instance from about 100 ppm to 300 ppm. 
     
     
         16 . The oil according to any one of  claims 2 - 5 , and  9 - 14 , wherein said second antioxidant is ascorbyl palmitate 
     
     
         17 . The oil according to any one of  claims 1 - 6  and  11 - 17 , wherein said oil has a fishy aroma sensory value of less than 1.5. 
     
     
         18 . The oil according to any one preceding claim, wherein said oil has a fishy aromatics sensory value of less than 2.5. 
     
     
         19 . The oil according to any preceding claim, wherein said oil has a POV less than 5, for instance less than 2, for instance less than 1. 
     
     
         20 . The oil according to any preceding claim, wherein said oil has an AnV less than 20, for instance less than 10. 
     
     
         21 . The oil according to any preceding claim, wherein said at least one first antioxidant is chosen from an addition tocopherol, green tea extract, and combinations thereof. 
     
     
         22 . The oil according to any preceding claim, wherein said at least one first antioxidant is a mixed tocopherol. 
     
     
         23 . The oil according to any preceding claim, wherein said at least one first antioxidant is an addition tocopherol. 
     
     
         24 . The oil according to any preceding claim, wherein said oil is an organic oil. 
     
     
         25 . The oil according to any preceding claim, wherein said oil is a natural oil. 
     
     
         26 . The oil according to any preceding claim, wherein said oil and/or said at least one polyunsaturated fatty acid having at least 4 double bonds is obtained from at least one microalgae, fish, plant, seed, or combinations thereof. 
     
     
         27 . The oil according to  claim 26 , wherein said microalgae is  Thraustochytriales.    
     
     
         28 . The oil according to  claim 26 , wherein said microalgae is chosen from  Thraustochytrium  sp.,  Schizochytrium  sp., and combinations thereof. 
     
     
         29 . The oil according to any preceding claim, wherein said at least one polyunsaturated fatty acid having at least 4 double bonds is obtained from a plant. 
     
     
         30 . The oil according to any preceding claim, wherein said at least one polyunsaturated fatty acid having at least 4 double bonds is obtained from fish. 
     
     
         31 . A final oil comprising the oil of any preceding claim and at least one further oil. 
     
     
         32 . The final oil according to  claim 31 , wherein said further oil is selected from a vegetable oil. 
     
     
         33 . The oil according to any preceding claim, wherein said oil is an edible oil. 
     
     
         34 . The oil according to any preceding claim, wherein said at least one polyunsaturated fatty acid having at least 4 double bonds is chosen from DHA, EPA, DPA n-3, and mixtures thereof. 
     
     
         35 . The oil according to any preceding claim, wherein said at least one polyunsaturated fatty acid having at least 4 double bonds is chosen from DPA n-6 and ARA. 
     
     
         36 . Use of an oil according to any preceding claim for preparing a food product. 
     
     
         37 . Use of an oil according to any preceding claim as an additive to a food product. 
     
     
         38 . Process for preparing a food product, comprising incorporating the oil according to any preceding claim into said food product. 
     
     
         39 . A food product comprising the oil according to any preceding claim. 
     
     
         40 . An oil according to any preceding claim, wherein said oil comprises at least about 35 wt. %, at least about 40 wt. %, at least about 45 wt. %, at least about 50 wt. % of DHA, wherein said oil comprises less than about 80 wt. %, less than about 70 wt. %, or less than about 60 wt. % of DHA. 
     
     
         41 . An oil according to any preceding claim, wherein said oil comprises at least about 35 wt. %, at least about 40 wt. %, at least about 45 wt. %, at least about 50 wt. % of DHA+EPA, wherein said oil comprises less than about 80 wt. %, less than about 70 wt. %, or less than about 60 wt. % of DHA+EPA. 
     
     
         42 . The oil according to any preceding claim, wherein said oil has a rancimat value that is less than about 19. 
     
     
         43 . The oil according to any preceding claim, wherein said oil has a fishy aroma value of less than 1.5 at a time period chosen from 0-3 months, at 0-4 months, at 0-5 months, at 0-6 months, at 0-7 months, at 0-8 months, or at 0-9 months. 
     
     
         44 . The oil according to any preceding claim, wherein said oil has a fishy aromatics value of less than 2.5 at a time period chosen from 0-3 months, at 0-4 months, at 0-5 months, at 0-6 months, at 0-7 months, at 0-8 months, or at 0-9 months. 
     
     
         45 . The oil according to any preceding claim, wherein said oil comprises less than about 10 ppm of lecithin. 
     
     
         46 . The oil according to any preceding claim, wherein said oil comprises tocopherol in an amount ranging from about 1000 ppm to 3000 ppm. 
     
     
         47 . The oil according to any preceding claim, wherein said oil comprises an addition tocopherol ranging from about 300 ppm to about 1000 ppm. 
     
     
         48 . The oil according to any preceding claim, wherein said oil comprises rosemary extract ranging from 1500 ppm to 5000 ppm. 
     
     
         49 . The oil according to any preceding claim, wherein said one or more polyunsaturated fatty acids include docasoahexaenoic acid (“DHA”), eicosapentaenoic acid (“EPA”), arachidonic acid (“ARA”), omega-3 docosapentaenoic acid (“DPA n-3”), and/or omega-6 docosapentaenoic acid (“DPA n-6”).