Patents Assigned to Nippon Suisan Kaisha, Ltd.
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Publication number: 20130224367Abstract: Provided is a method for producing a processed food which is produced by continuously heating/molding a fluid raw material containing a protein, a lipid, and water. A method for heating a material to be heated continuously by an internal heating system while moving the material in a tube comprising: (a) arranging the tube vertically or substantially vertically (a tilt of not greater than 15°) and heating/molding a mixture while feeding the mixture upward from a bottom in the tube and/or (b) heating/molding the mixture while rotating the tube around a rotation axis, the rotation axis being a center line in a length direction of the tube. The internal heating system is preferably microwave heating, Joule heating, or high-frequency heating.Type: ApplicationFiled: November 1, 2011Publication date: August 29, 2013Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Bunji Yoshitomi, Tomonori Hashidate, Ken Mizuki
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Publication number: 20130156861Abstract: The present invention relates to an alcoholic injury mitigating agent comprising krill oil as an active ingredient. The krill oil preferably comprises phospholipids in an amount of at least 30% by weight, ?3 polyunsaturated fatty acids in an amount of at least 5% by weight of the total fatty acids, eicosapentaenoic acid in an amount of at least 2% by weight of the total fatty acids, or docosahexaenoic acid in an amount of at least 1% by weight of the total fatty acids.Type: ApplicationFiled: September 1, 2011Publication date: June 20, 2013Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Junichiro Hata, Tomoko Tsuji, Kenichi Yanagimoto
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Publication number: 20130123525Abstract: A method for lowering saturated fatty acid content, the method comprising concentrating polyunsaturated fatty acid using a lipase having low reactivity for the polyunsaturated fatty acid to react with a glyceride containing a polyunsaturated fatty acid; wherein the lipase reaction is performed at a temperature of not more than 25° C.Type: ApplicationFiled: May 27, 2011Publication date: May 16, 2013Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Hideo Ikemoto, Nobushige Doisaki, Yasuo Umehara
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Publication number: 20130096332Abstract: To provide a fat-and-oil in which the content of docosahexaenoic acid is increased. A process for producing highly unsaturated fatty acids comprising culturing a stramenopile capable of producing highly unsaturated fatty acids in a culture medium containing an inhibitor for fatty acid desaturases; fats-and-oils in which the content of highly unsaturated fatty acids, particularly docosahexaenoic acid produced by the relevant method, is increased. A method for enhancing the productivity of highly unsaturated fatty acids in stramenopiles, comprising culturing a stramenopile in a culture medium containing an inhibitor for fatty acid desaturases; stramenopiles having the enhanced productivity of highly unsaturated fatty acids, generated by the relevant method.Type: ApplicationFiled: December 6, 2012Publication date: April 18, 2013Applicants: NIPPON SUISAN KAISHA, LTD., UNIVERSITY OF MIYAZAKIInventors: UNIVERSITY OF MIYAZAKI, NIPPON SUISAN KAISHA, LTD.
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Publication number: 20130095537Abstract: A process for producing a useful substance using microorganisms, and an object thereof to provide a method that shortens the culturing period of the microorganisms and improves the productivity of the useful substance. The speed at which microorganisms consume carbohydrates and/or hydrocarbon oxidation products can be increased and the productivity of a target useful substance can be improved by using a main culture initial medium in which the total concentration of carbohydrate and hydrocarbon oxidation product is less than 0.4% by weight in terms of the carbon equivalent.Type: ApplicationFiled: June 30, 2011Publication date: April 18, 2013Applicant: NIPPON SUISAN KAISHA, LTD.Inventor: Nozomu Kamada
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Patent number: 8409653Abstract: It is possible to provide an excellent salty taste enhancer that can compensate for insufficient salty taste when attempting to reduce the salt content of a food. A salty taste enhancer obtained by adding a glutamic acid-containing dipeptide, specifically Glu-Ala, Glu-Arg, Glu-Asn, Glu-Asp, Glu-Gln, Glu-Glu, Glu-Gly, Glu-His, Glu-Ile, Glu-Leu, Glu-Lys, Glu-Pro, Glu-Ser, Glu-Thr, Glu-Trp, Glu-Tyr, Glu-Val, Arg-Glu, Asn-Glu, Asp-Glu, Gln-Glu, His-Glu, Pro-Glu, Ser-Glu, Thr-Glu, or Trp-Glu, to an enzymatic decomposition product of a protein material and/or a basic amino acid, especially arginine. A method for producing these salty taste enhancers, a method for enhancing a salty taste by using these salty taste enhancers, and a food or drink that contains these salty taste enhancers.Type: GrantFiled: March 11, 2009Date of Patent: April 2, 2013Assignee: Nippon Suisan Kaisha, Ltd.Inventors: Masashi Shimono, Kiminori Sugiyama
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Patent number: 8399694Abstract: An object of the present invention is to provide a more simplified and more efficient process for producing a highly purified orange roughy oil having high storage stability. The present invention provides a process for producing a highly purified orange roughy oil substantially free of a polyunsaturated fatty acid ester having 4 to 6 double bonds, and having a saponification value of 98 to 113 and an iodine value of 73 to 89, comprising washing with an alkaline aqueous solution to remove a free fatty acid; hydrogenating with a catalyst to reduce a polyunsaturated fatty acid ester; and purifying by treatment with an adsorbent.Type: GrantFiled: October 10, 2008Date of Patent: March 19, 2013Assignee: Nippon Suisan Kaisha, Ltd.Inventors: Kazuhiko Hata, Akito Yamabe, Tsuyoshi Koriyama
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Patent number: 8349595Abstract: [PROBLEMS] To provide a fat-and-oil in which the content of docosahexaenoic acid is increased. [MEANS FOR SOLVING PROBLEMS] A process for producing highly unsaturated fatty acids comprising culturing a stramenopile capable of producing highly unsaturated fatty acids in a culture medium containing an inhibitor for fatty acid desaturases; fats-and-oils in which the content of highly unsaturated fatty acids, particularly docosahexaenoic acid produced by the relevant method, is increased. A method for enhancing the productivity of highly unsaturated fatty acids in stramenopiles, comprising culturing a stramenopile in a culture medium containing an inhibitor for fatty acid desaturases; stramenopiles having the enhanced productivity of highly unsaturated fatty acids, generated by the relevant method.Type: GrantFiled: January 25, 2008Date of Patent: January 8, 2013Assignees: University of Miyazaki, Nippon Suisan Kaisha, Ltd.Inventors: Masahiro Hayashi, Sanae Nakajima, Naoki Nagano, Yosuke Taoka
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Publication number: 20120322116Abstract: Disclosed is a transformation method whereby an ability to produce a useful substance of a stramenopile can be improved. The method for transforming a stramenopile comprises transferring a foreign gene into the stramenopile which is a microorganism belonging to the class Labyrinthula, more specifically, to a genus Labyrinthula, Altornia, Aplanochytrium, Schizochytrium, Aurantiochytrium, Thraustochytrium, Ulkenia, etc. Said foreign gene, which is a gene relating to tolerance against an antibiotic, a colorimetric protein and/or a fatty acid desaturase (?5 desaturase gene, ?12 desaturase gene and/or ?3 desaturase gene), is transferred by using the electroporation or gene-gun technique.Type: ApplicationFiled: September 24, 2010Publication date: December 20, 2012Applicants: KYUSHU UNIVERSITY, NAT'L UNIVERSITY CORPORATION, NIPPON SUISAN KAISHA, LTD., KONAN GAKUEN, UNIVERSITY OF MIYAZAKIInventors: Keishi Sakaguchi, Takanori Matsuda, Takumi Kobayashi, Makoto Ito, Naoki Nagano, Masahiro Hayashi, Daisuke Honda, Yosuke Taoka, Yuji Okita, Hitoshi Izumida, Shinichi Sugimoto
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Patent number: 8241868Abstract: A method for isolating one compound or more than one compound from a biomass which contains microorganisms that have produced the compound or compounds, the method comprising the following steps: (a) preparing or obtaining wet cells having an average moisture content of between 30% and 80%; (b) subjecting the wet cells to primary drying to obtain primary dried cells having an average moisture content of between 5% and 50%; (c) subjecting the primary dried cells obtained in (b) to secondary drying to obtain secondary dried cells having an average moisture content of no greater than 10%; and (d) extracting or isolating, purifying and/or refining the compound or each of the compounds from the secondary dried cells obtained in (c).Type: GrantFiled: February 8, 2006Date of Patent: August 14, 2012Assignee: Nippon Suisan Kaisha, Ltd.Inventors: Kenichi Higashiyama, Toshiharu Nakajima
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Patent number: 8222385Abstract: In order to examine whether or not a germ cell derived from a donor fish, which has been transplanted into a recipient fish of a different species by a surrogate fish technique, grows or matures in the gonad of the recipient fish, it is necessary to use, as an indicator, a trait that is specifically expressed in the germ cell and can be used to distinguish the recipient fish from the donor fish. Vasa gene, which is a germ cell-specific gene, is specific to a primordial germ cell and a spermatogonium/an oogonium, and it is not expressed in a somatic cell. In the present invention, the Vasa gene sequences of a tuna, a chub mackerel, a spotted mackerel, an eastern little tuna, and a drumfish are determined, and the expression of such gene is used as a marker for a germ cell. In addition, according to the present invention, it is possible to specifically detect only a tuna Vasa gene in Vasa gene sequences that are highly conserved in fishes, without sequencing.Type: GrantFiled: March 26, 2008Date of Patent: July 17, 2012Assignees: National University Corporation Tokyo University of Marine Science Technology, Nippon Suisan Kaisha, Ltd.Inventors: Goro Yoshizaki, Yutaka Takeuchi, Kazue Nagasawa, Kentaro Higuchi, Tetsuro Morita, Naoki Kabeya
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Publication number: 20120100550Abstract: Disclosed is a method for determining the fatty acid synthesis pathway of a microorganism. Specifically disclosed is a method for determining the fatty acid synthesis pathway of a microorganism, which is characterized by producing degenerate primers for a fatty acid synthesis-related enzyme gene and determining the presence or absence of the fatty acid synthesis-related gene in the genome gene extracted from the microorganism using the degenerate primers. The sequences for degenerate primers for C20-elongase gene, which is a fatty acid synthesis-related enzyme gene, are ATHGARTWYTKBRTITTYGTICA (SEQ ID NO:1) and TARTRISWRTACATIADIAMRTG (SEQ ID NO:2), and the sequences for degenerate primers for ?4-desaturase gene are GGNCAYCAYCMITAYACNAA (SEQ ID NO:3) and TCDATYTGRTGIBWIARNCC (SEQ ID NO:4). The microorganism is one belonging to the class Labyrinthulea. Also specifically disclosed is a PCR primer set for use in the determination method.Type: ApplicationFiled: March 4, 2010Publication date: April 26, 2012Applicants: UNIVERSITY OF MIYAZAKI, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, NIPPON SUISAN KAISHA, LTD.Inventors: Naoki Nagano, Masahiro Hayashi, Keishi Sakaguchi, Makoto Ito, Yosuke Taoka, Yuji Okita
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Publication number: 20120076897Abstract: [Problem] To provide a feed for fish farming which is excellent in terms of stability of feed supply and feed shelf life and which has excellent feed intake and feed efficiency. [Solution] A feed for fish farming consisting of an outer layer and an inner layer, characterized in that a composition constituting the outer layer has a breaking stress of 5×104 to 1×106 N/m2, a cohesiveness (30%) of 0.4 to 1.0, and a breaking strain of 30 to 80%. A feed for fish farming characterized by consisting of an outer layer constructed from a heat-induced gel which comprises a protein and/or a starch, and an inner layer comprising a composition which contains nutrient ingredients having fish meal and an oil as essential ingredients. As the protein, surimi, ground fish meat, krill, gelatin, collagen, gluten, egg albumen and soy bean protein are preferred. As the starch, tapioca starch, wheat starch, potato starch, corn starch, bean starch, waxy corn starch and processed products of these starches are preferred.Type: ApplicationFiled: March 24, 2010Publication date: March 29, 2012Applicant: NIPPON SUISAN KAISHA, LTDInventors: Tsuyoshi Goto, Yasuhiro Fukuda, Itaru Shioya, Hideki Nikaido, Yosuke Tanaka, Taeko Kousaka
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Publication number: 20120064196Abstract: The purpose of the present technology is to provide a frozen minced fish meat of high quality while effectively using a natural resource. During production of minced fish meat, after removal of the head, guts, and kidney tissue (kidneys), meat is harvested to produce a minced fish meat characterized in that gelation strength is not lowered. Specifically, this production method includes as essential steps a step of washing the fish body; a step of removing the head, guts, and kidney tissue; a washing step; and a meat harvesting step. Protease specific activity of the minced fish meat, as measured by the peptide quantitative analysis method using phenol test solution, is less than or equal to 0.001.Type: ApplicationFiled: September 13, 2011Publication date: March 15, 2012Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Mitsutoshi KUBOTA, Manabu IIJIMA, Takayuki ISHIDA
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Publication number: 20120055412Abstract: A method for feeding farmed fish by using au automatic feeder (20), which supplies a feed to the farmed fish in accordance with a preset feeding schedule, and a feed-demand sensor (22), which detects a demand for the feed by the farmed fish, characterized in that the feed-supply by the automatic feeder (20) is controlled on the basis of the detection results from the feed-demand sensor (22).Type: ApplicationFiled: April 6, 2010Publication date: March 8, 2012Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Weimin Chen, Toru Mitsuboshi
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Patent number: 8118647Abstract: A device for efficiently and accurately punching out and collecting in a continuous and automatic manner an eyeball section of a fish. The device comprises a head part supporting table and a body part supporting table which can be opened and closed. The head part supporting table has an eyeball section discharge hole and a head part gripping device arranged on both sides of the head part supporting table to position an eyeball section of the fish on the eyeball section discharge hole. The device further comprises an eyeball section punching out blade body arranged above the eyeball section discharge hole in a manner of being movable up and down. The eyeball section of the fish is punched out by the punching out blade body and the punched out eyeball is collected through a suction hose connected to and communicating with a lower face of the eyeball section discharge hole.Type: GrantFiled: April 14, 2011Date of Patent: February 21, 2012Assignees: Nippon Suisan Kaisha, Ltd., Toyo Suisan Kikai Co., Ltd.Inventors: Akihiro Mikajiri, Kohji Morita, Hisatomo Tanaka
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Publication number: 20120035181Abstract: A method of controlling proliferation of fish parasites comprising the administration of 1 to 50 mg/kg fish body weight/day of an inhibitor of folate synthesis and/or an inhibitor of folate activation to fish continuously for 1 to 2 weeks. Using a combination preparation composed of an inhibitor of folate synthesis and an inhibitor of folate activation is preferable, and a sulfonamide is preferable for the inhibitor of folate synthesis. A dihydrofolate reductase inhibitor, a folate antagonist, etc., can be used as the inhibitor of folate activation. The antiparasitic agent is able to exterminate fish parasites via oral administration. It is particularly effective against parasites belonging to the ciliate group among fish parasites.Type: ApplicationFiled: April 26, 2010Publication date: February 9, 2012Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Fumi Kawano, Noritaka Hirazawa
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Publication number: 20120022153Abstract: A novel compound derived from the culture product of an actinomycete and having an antitumor activity is provided. Provided is a compound represented by any one of formulas (I), (II) and (III) or an optical isomer thereof or a pharmaceutically acceptable salt thereof which can be isolated from the culture fluid of an actinomycete which belongs to the genus Streptomyces, wherein R1, R2, R5 and R6 each independently represent a hydrogen atom, a methyl group, a hydroxymethyl group, a hydroxyl group, or a double bond by which R1 and R2 or R5 and R6 are bonded; R3, R4, R7 and R8 each independently represent a methyl group or a hydroxymethyl group; and R9 represents a hydrogen atom or a hydroxyl group.Type: ApplicationFiled: March 24, 2010Publication date: January 26, 2012Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Seizo Sato, Fumie Iwata, Shoichi Yamada, Jiro Takeo, Akihisa Abe, Hiroyuki Kawahara
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Publication number: 20110244485Abstract: An object of the present invention is to provide a means for distinguishing between a germ cell derived from a donor (tuna) and a germ cell derived from a recipient in a method for inducing differentiation of a tuna germ cell, wherein a primordial germ cell derived from the tuna is transplanted into an early embryo of the heterologous recipient fish. The present inventors compared a Vasa amino acid sequence of bluefin tuna with those of other fish (black skipjack, skipjack, chub mackerel, blue mackerel, round frigate mackerel and frigate mackerel), identified amino acid sequence regions specific to bluefin tuna, and, by using the amino acid sequences specific to bluefin tuna as antigens, successfully produced monoclonal antibodies specifically recognizing primordial germ cells, spermatogonia, oogonia or oocytes derived from bluefin tuna, thus accomplishing the present invention.Type: ApplicationFiled: September 25, 2009Publication date: October 6, 2011Applicants: National University Corporation Tokyo University of Marine Science and Technology, Nippon Suisan Kaisha, Ltd.Inventors: Goro Yoshizaki, Yutaka Takeuchi, Misako Miwa, Naoki Kabeya
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Publication number: 20110189760Abstract: The present invention relates to a method for efficiently extracting and producing lipid components from crustaceans. A method for producing lipids, characterized by obtaining a squeezed liquid by squeezing a whole crustacean or a part thereof, heating the squeezed liquid to a temperature at which proteins contained in the squeezed liquid coagulate, carrying out solid-liquid separation so as to separate the heated squeezed liquid into a solid component that contains lipid components and an aqueous component that contains water-soluble components, washing the resulting solid containing lipids or a dried product thereof with water, dehydrating and/or drying, and then extracting lipids from the solid containing lipids or the dried product thereof.Type: ApplicationFiled: September 24, 2009Publication date: August 4, 2011Applicant: NIPPON SUISAN KAISHA, LTD.Inventors: Kazuhiro Yoshikawa, Akihiro Mikajiri