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US 2020/0369982 A1Published application
Process for production of concentrated polyunsaturated fatty acid oils
AssigneeDsm IP Assets B.V.
InventorsJaroslav KRALOVEC, Erick REYES-SUAREZ
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Abstract
The present invention relates to oil compositions that are enriched in polyunsaturated fatty acids; compositions containing the oil compositions; and methods of making and using the oil compositions. The oil is preferably a microbial or marine oil.
Claims41
A process for separation and concentration of an oil comprising long-chain polyunsaturated fatty acids (LC-PUFAs), the process comprising:
- a) transesterification of a starting oil into its ethyl ester form;
- b) distillation of the ethyl ester oil;
- c) urea complexation of the distilled ethyl ester oil;
- d) subjecting the oil obtained from step c) to a further concentration step;
- e) urea complexation of the oil obtained from step d);
- and
- f) filtration of the oil obtained from step e) to obtain a resulting oil,
- wherein the resulting oil is enriched in at least one LC-PUFA.
5 more elements
A microbial oil comprising at least about 70% by weight ARA.
Dependencies are inferred from the claim text.