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AssigneeRimfrost Technologies AS
InventorsInge Bruheim, Stig Rune Remoy, John Cameron
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The present invention contemplates the creation of a low fluoride crustacean oil processed from a phospholipid-protein complex (PPC) formed immediately upon a crustacean (i.e., for example, krill) catch. Further, the crustacean oil may also have reduced trimethyl amine and/or trimethyl amino oxide content. The process comprises disintegrating the crustaceans into smaller particles, adding water, heating the result, adding enzyme(s) to hydrolyze the disintegrated material, deactivating the enzyme(s), removing solids from the enzymatically processed material to reduce fluoride content of the material, separating and drying the PPC material. Then, using extraction with supercritical CO2 or supercritical dimethyl ether, and/or ethanol as solvents, krill oil, inter alia, is separated from the PPC. In the extraction the krill oil can be separated almost wholly from the feed material.
An extracted crustacean oil composition comprising a total phospholipid content ranging between 39-52 wt % of said composition and less than 1 mg N-trimethylamine/100 g, wherein said total phospholipid content comprises approximately 65 wt % phosphatidylcholine.
An extracted crustacean oil comprising at least 40 wt % total phospholipids and less than 20 mg N-trimethylamine oxide/100 g of said crustacean oil and less than 1 mg N-trimethylamine/100 g of said crustacean oil, wherein said total phospholipids comprise at least 75 wt % phosphatidylcholine and at least 2% phosphatidylethanolamine of the total phospholipids.
Dependencies are inferred from the claim text.