Abstract: A method for producing a polyphenol composition including a step of subjecting (A) a hardly water-soluble polyphenol and (B) one or more selected from cathechins, chlorogenic acids and methylated compounds of hardly water-soluble polyphenols to a heat treatment at from 100 to 180° C. in the presence of an aqueous medium.

Abstract: Provided is a method for producing a fatty acid composition having a low content of saturated fatty acid easily and with a high yield from a decomposed fatty acid composition containing monoacylglycerol. The method for producing a fatty acid composition having the content of saturated fatty acid of 8% by mass or less, comprising the following steps (1) to (3): (1) obtaining a fatty acid mixture by adjusting the component ratio of a decomposed fatty acid composition obtained by hydrolyzing a fat or oil so that the content of fatty acid is from 80 to 96% by mass, the content of monoacylglycerol is from 0.3 to 8% by mass, the content of diacylglycerol is from 1 to 12% by mass, and the mass ratio of diacylglycerol to monoacylglycerol [ (DAG)/(MAG)] is from 0.5 to 40; (2) cooling the fatty acid mixture obtained in step (1) to a temperature within the range from the temperature 2° C. lower than the cloud point of the fatty acid mixture to the temperature 13° C.

Abstract: Provided is a method for manufacturing refined fats and oils with less by-products, good taste and flavor and hue, and reduced smoke generation. The method for manufacturing refined fats and oils includes: (1) carrying out an adsorption treatment of bringing fats and oils into contact with clay (A) and at least one kind of alkaline earth metal salt (B) selected from the group consisting of an oxide, a carbonate, and a silicate of an alkaline earth metal; and (2) subsequently carrying out a deodorization treatment of bringing the resultant fats and oils into contact with water vapor at 180° C. or less.

Abstract: A method for producing a polyphenol composition including a step of subjecting (A) a hardly water-soluble polyphenol and (B) one or more selected from cathechins, chlorogenic acids and methylated compounds of hardly water-soluble polyphenols to a heat treatment at from 100 to 180° C. in the presence of an aqueous medium.

Abstract: A method for producing a polyphenol composition including a step of subjecting (A) a hardly water-soluble polyphenol and (B) one or more selected from cathechins, chlorogenic acids and methylated compounds of hardly water-soluble polyphenols to a heat treatment at from 100 to 180° C. in the presence of an aqueous medium.

Abstract: A method for manufacturing a refined fat or oil, including: carrying out a first steam treatment of bringing a fat or oil into contact with water vapor; and subsequently carrying out a second steam treatment of bringing the fat or oil having a temperature lower by 10° C. or more than a temperature of the fat or oil in the first steam treatment into contact with water vapor in the presence of an organic acid.

Abstract: Provided is a method for producing a fatty acid composition having a low content of saturated fatty acid easily and with a high yield from a decomposed fatty acid composition containing monoacylglycerol. The method for producing a fatty acid composition having the content of saturated fatty acid of 8% by mass or less, comprising the following steps (1) to (3): (1) obtaining a fatty acid mixture by adjusting the component ratio of a decomposed fatty acid composition obtained by hydrolyzing a fat or oil so that the content of fatty acid is from 80 to 96% by mass, the content of monoacylglycerol is from 0.3 to 8% by mass, the content of diacylglycerol is from 1 to 12% by mass, and the mass ratio of diacylglycerol to monoacylglycerol [ (DAG)/(MAG)] is from 0.5 to 40; (2) cooling the fatty acid mixture obtained in step (1) to a temperature within the range from the temperature 2° C. lower than the cloud point of the fatty acid mixture to the temperature 13° C.

Abstract: Provided is a method for manufacturing refined fats and oils. Here fats and oils are brought into contact with an adsorbent and subsequently treated with water vapor under at least one condition of the following conditions. In condition I, the time for which the fats and oils are brought into contact with the water vapor in a temperature range of 175° C. to 205° C. for from 5 to 110 minutes. In condition 2, the fats and oils are brought into contact with the water vapor in a temperature range of 205° C. to 215° C. for from 5 to 50 minutes. In condition 3, the fats and oils are brought into contact with the water vapor in a temperature range of 215° C. to 230° C. for from 5 to 30 minutes.

Abstract: Provided is an oil or fat composition, which has an MCPD-FS content (ppm) of 13 ppm or less, the content being measured by a Deutsche Gesellschaft für Fettwissenschaft (DGF) standard method C-III 18(09), has a diacylglycerol content of 15 mass % or more, and is subjected to deodorization treatment.

Abstract: A method for manufacturing a refined fat or oil, including: carrying out a first steam treatment of bringing a fat or oil into contact with water vapor; subsequently carrying out a treatment of bringing the fat or oil into contact with an adsorbent; and further carrying out a second steam treatment of bringing the fat or oil having a temperature lower by 10° C. or more than a temperature of the fat or oil in the first steam treatment into contact with water vapor.

Abstract: Provided is a method for manufacturing refined fats and oils with less by-products, good taste and flavor and hue, and reduced smoke generation. The method for manufacturing refined fats and oils includes: (1) carrying out an adsorption treatment of bringing fats and oils into contact with clay (A) and at least one kind of alkaline earth metal salt (B) selected from the group consisting of an oxide, a carbonate, and a silicate of an alkaline earth metal; and (2) subsequently carrying out a deodorization treatment of bringing the resultant fats and oils into contact with water vapor at 180° C. or less.

Abstract: A method for producing a polyphenol composition including a step of subjecting (A) a hardly water-soluble polyphenol and (B) one or more selected from cathechins, chlorogenic acids and methylated compounds of hardly water-soluble polyphenols to a heat treatment at from 100 to 180° C. in the presence of an aqueous medium.

Abstract: The present invention provides a method for producing a useful substance by supplying, to a fixed-bed reactor packed with an immobilized enzyme, a liquid mixture containing two liquid phases, in which the two liquid phases are allowed to flow in an identical, parallel direction, which method employs a fixed-bed reactor equipped with an insertion unit or tubes, so as to form a plurality of lumens in the fixed-bed reactor, each lumen having a cross section of a circular shape with a diameter of 100 mm or less or having a polygonal shape with a diagonal line of 100 mm or less, wherein the lumens are packed with an immobilized enzyme and the liquid mixture is supplied. In a reaction performed by passing a reaction mixture exhibiting two liquid phases through a fixed-bed reactor equipped with an immobilized enzyme, overall flow of the reaction liquid is made uniform.

Abstract: A method for manufacturing a refined fat or oil, including: carrying out a first steam treatment of bringing a fat or oil into contact with water vapor; and subsequently carrying out a second steam treatment of bringing the fat or oil having a temperature lower by 10° C. or more than a temperature of the fat or oil in the first steam treatment into contact with water vapor in the presence of an organic acid.

Abstract: A method for manufacturing a refined fat or oil, including: carrying out a first steam treatment of bringing a fat or oil into contact with water vapor; subsequently carrying out a treatment of bringing the fat or oil into contact with an adsorbent; and further carrying out a second steam treatment of bringing the fat or oil having a temperature lower by 10° C. or more than a temperature of the fat or oil in the first steam treatment into contact with water vapor.

Abstract: A process for producing fatty acid by hydrolyzing oil and fat, which comprises: a first step of partially hydrolyzing oil and fat by either of the following method (a) or (b), and a second step of hydrolysis by the other method: (a) enzymatic hydrolysis using an immobilized enzyme which is an enzyme immobilized on a support and (b) high pressure and temperature hydrolysis. A method of efficiently producing fatty acid with a reduced content of trans-unsaturated fatty acid in the constituent fatty acids and having a good appearance with reduced coloring by hydrolysis of oil and fat is provided.

Abstract: Provided is an oil or fat composition, which has an MCPD-FS content (ppm) of 13 ppm or less, the content being measured by a Deutsche Gesellschaft für Fettwissenschaft (DGF) standard method C-III 18(09), has a diacylglycerol content of 15 mass % or more, and is subjected to deodorization treatment.

Abstract: Provided is a method for manufacturing refined fats and oils, including: treating fats and oils by bringing the fats and oils into contact with an adsorbent; and subsequently treating the fats and oils by bringing the fats and oils into contact with water vapor under at least one condition selected from the following conditions: (condition 1) the time for which the fats and oils are brought into contact with the water vapor in a temperature range of 175° C. or more and 205° C. or less is from 5 to 110 minutes; (condition 2) the time for which the fats and oils are brought into contact with the water vapor in a temperature range of more than 205° C. and 215° C. or less is from 5 to 50 minutes; and (condition 3) the time for which the fats and oils are brought into contact with the water vapor in a temperature range of more than 215° C. and 230° C. or less is from 5 to 30 minutes.

Abstract: The present invention relates to a process for producing a fatty acid, which includes feeding a liquid mixture formed of two liquid phases that flow in a co-current manner into a fixed bed-type reaction column packed with immobilized lipase, and performing a hydrolysis reaction when the two liquid phases are in contact with the immobilized lipase in the fixed-bed reaction column; wherein the fixed-bed reaction column comprises partition plates so as to comprise a plurality of tube- shaped structures, wherein each tube-shaped structure has a cross -section which is rectangular, circular, oval, or polygonal in shape with at least a part being unclosed and the cross-section has a representative length of 100 mm or less.

Abstract: A process for producing fatty acids, which comprises supplying an oil phase substrate and a water phase substrate to an enzyme column packed with an immobilized enzyme, concurrently flowing them in the same direction, and hydrolyzing a fat and/or oil, wherein the oil phase substrate and the water phase substrate are alternately supplied to the enzyme column.