Patent ID: 6469187
Filing Date: 2002-10-22
Classification: A23D,A23L,A61K,C11B

Abstract:
A process for the preparation of oil of marine origin with reduced content of polychlorinated dioxins, furans, biphenyls, and polycyclic aromatic hydrocarbons, comprising:a) refining marine oil with acid and/or alkali, b) cold clearing the marine oil, c) stirring the marine oil under reduced pressure at a temperature of 40 to 100Â° C. with activated carbon, d) cooling the marine oil to 20 to 40Â° C., e) separating the activated carbon from the marine oil, f) deodorizing the marine oil with hot steam under reduced pressure for a period of 0.5 hour to 20 hours, and g) cooling the marine oil to 20 to 70Â° C.