US 12,458,036 B2
Oxidatively stable polyunsaturated fatty acid containing oil
Michael Lenn Stefanski, Winchester, KY (US); Xuejun Tang, Ellicott City, MD (US); and Kristine Sheila Crawford, Ellicott City, MD (US)
Assigned to DSM IP Assets B.V., (NL)
Filed by DSM IP Assets B.V., Heerlen (NL)
Filed on Jul. 29, 2014, as Appl. No. 14/446,218.
Application 14/446,218 is a continuation of application No. 13/694,134, filed on Nov. 1, 2012, abandoned.
Claims priority of provisional application 61/554,291, filed on Nov. 1, 2011.
Prior Publication US 2015/0017304 A1, Jan. 15, 2015
Int. Cl. A23B 2/733 (2025.01); A23B 2/771 (2025.01); A23B 20/30 (2025.01); A23D 9/007 (2006.01); A23L 27/00 (2016.01); A23L 33/115 (2016.01); C11B 5/00 (2006.01)
CPC A23B 2/733 (2025.01) [A23B 2/771 (2025.01); A23B 20/30 (2025.01); A23D 9/007 (2013.01); A23L 27/82 (2016.08); A23L 33/115 (2016.08); C11B 5/0007 (2013.01); C11B 5/0085 (2013.01); C11B 5/0092 (2013.01); A23V 2002/00 (2013.01)] 32 Claims
OG exemplary drawing
 
1. An oil comprising
(a) at least 30 wt. % of polyunsaturated fatty acids having at least 4 double bonds,
wherein the polyunsaturated fatty acids having at least 4 double bonds comprise a mixture of docosahexaenoic acid (DHA), omega-6 docosapentaenoic acid (DPA n-6), and eicosapentaenoic acid (EPA);
(b) at least one first antioxidant,
wherein the at least one first antioxidant comprises a tocopherol in an amount ranging from about 900 ppm to about 3400 ppm;
(c) less than 10 ppm lecithin; and
(d) less than 1 ppm of an ascorbic acid derivative,
wherein the oil has a peroxide value (POV) of from 0.4 to 5, an anisidine value (AnV) less than 20, and a Rancimat value of from 4.1 to 19.