# US 8,784,921 B2 · Method for concentrating lipids > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,784,921 B2 - Document ID: US8784921B2 - Status: Granted - Kind: B2 - Application number: 13/120,875 - Filed: 2009-09-24 - Published: 2011-08-04 - Granted: 2014-07-22 - Earliest claimed: 2008-09-26 - Assignees: Nippon Suisan Kaisha, Ltd. - Applicants: Kazuhiro Yoshikawa - Inventors: Kazuhiro Yoshikawa - Web page: https://patentgrep.com/patent/US8784921B2 ## CPC - C11B 13/00: Recovery of fats, fatty oils or fatty acids from waste materials - A23K 20/158: Fatty acids; Fats; Products containing oils or fats - A23L 17/40: Shell-fish - A61K 35/612: Crustaceans, e.g. crabs, lobsters, shrimps, krill or crayfish; Barnacles - A61P 3/06: Antihyperlipidemics - A61P 7/02: Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors - A61P 9/10: for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis - A61P 25/28: for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia - A61P 27/02: Ophthalmic agents - A61P 37/08: Antiallergic agents (antiasthmatic agents A61P11/06; ophthalmic antiallergics A61P27/14) - C11B 1/06: by pressing - Y02W 30/74: Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes - C11B: PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES (drying-oils C09F) - A23K: FODDER - A23L: FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF (preservation thereof A23B) - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS - Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT ## Abstract As a method for an efficient concentration of lipid components from food materials, a method for concentrating lipids contained in a crustacean, which comprises heating squeezed liquid prepared by squeezing the whole crustacean or a part thereof and separating the heated squeezed liquid into solids containing lipid components and liquid containing water-soluble components. Those are useful as the method by which lipids abundantly containing the phospholipid are prepared easily and at a low cost. Furthermore, the solids containing the lipids prepared by said method or a dried product thereof, lipids extracted therefrom and a composition abundantly containing the useful lipids derived from crustaceans are useful as materials for pharmaceuticals, ingredients for foods or feed, etc. ## Claims ### Claim 1 A method for concentrating lipids contained in a crustacean, comprising: heating a squeezed liquid at a temperature of not lower than 50° C., the squeezed liquid being prepared by squeezing the whole crustacean or a part thereof in an unheated state so as to break down tissue of the whole crustacean or a part thereof and to obtain the squeezed liquid; and separating the heated squeezed liquid into solids containing lipid components and liquid containing water-soluble components, wherein the solids containing lipid components and liquid containing water-soluble components are separated by filtration and/or centrifugal separation. ### Claim 2 (depends on 1) The method for concentrating the lipids according to claim 1, wherein the squeezed liquid is heated at the temperature where proteins contained in the squeezed liquid is coagulated. ### Claim 3 (depends on 1) The method for concentrating the lipids according to claim 1, wherein the crustacean is a crustacean which belongs to the order of Euphausiaceae. ### Claim 4 (depends on 1) A method for producing lipids, which comprises preparing the lipids from the solids containing the lipid components or a dried product thereof prepared by the method described in claim 1. ### Claim 5 (depends on 4) The method for producing the lipids according to claim 4, wherein the method for preparing the lipids is carried out by any one of an extraction with an organic solvent, an extraction with an organic solvent after carrying out an enzymatic treatment and a supercritical extraction. ### Claim 6 (depends on 1) The method of claim 1, wherein the squeezed liquid is heated at a temperature of less than or equal to 150° C. ### Claim 7 (depends on 1) The method of claim 1, wherein the whole crustacean or a part thereof is squeezed using at least one selected from the group consisting of an oil hydraulic squeezing machine, a screw press, a meat separator, a press dehydrating machine and a centrifugal separator. ### Claim 8 Solids containing lipid components or a dried product thereof, wherein 50% or more by weight of the lipid components is phospholipid, and wherein the solids containing lipid components are prepared by heating a squeezed liquid at a temperature of not lower than 50° C., the squeezed liquid being prepared by squeezing a whole crustacean or a part thereof in an unheated state so as to break down tissue of the whole crustacean or a part thereof and to obtain the squeezed liquid, and separating the heated squeezed liquid into solids containing lipid components and liquid containing water-soluble components, wherein the solids containing lipid components and liquid containing water-soluble components are separated by filtration and/or centrifugal separation. ### Claim 9 (depends on 1) A method for producing phospholipid, which comprises carrying out a supercritical extraction of the solids containing the lipid components prepared by the method described in claim 1 or a dried product thereof to separate a triglyceride and preparing phospholipid from the residue after the extraction. ### Claim 10 Solids obtained by washing solids containing lipid components or a dried product thereof with water, or a dried product thereof, wherein 50% or more of the lipid components are phospholipids, and wherein the solids containing lipid components are obtained by heating a squeezed liquid at a temperature of not lower than 50° C., the squeezed liquid being prepared by squeezing a whole crustacean or a part thereof in an unheated state so as to break down tissue of the whole crustacean or a part thereof and to obtain the squeezed liquid, and separating the heated squeezed liquid into solids containing lipid components and liquid containing water-soluble components, wherein the solids containing lipid components and liquid containing water-soluble components are separated by filtration and/or centrifugal separation.