WO2018174202A1 - Composition d'huile et de graisse en poudre pour eau sèche - Google Patents

Composition d'huile et de graisse en poudre pour eau sèche Download PDF

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Publication number
WO2018174202A1
WO2018174202A1 PCT/JP2018/011538 JP2018011538W WO2018174202A1 WO 2018174202 A1 WO2018174202 A1 WO 2018174202A1 JP 2018011538 W JP2018011538 W JP 2018011538W WO 2018174202 A1 WO2018174202 A1 WO 2018174202A1
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oil
fat
fat composition
composition
dry water
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PCT/JP2018/011538
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English (en)
Japanese (ja)
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裕太郎 片岡
有本　真
秀隆 上原
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日清オイリオグループ株式会社
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Priority to JP2018528809A priority Critical patent/JP6393017B1/ja
Publication of WO2018174202A1 publication Critical patent/WO2018174202A1/fr

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  • the present invention relates to a dry oil powder oil composition that can easily produce dry water containing an aqueous component, a dry water produced using the powder oil composition, and a method for producing the dry water.
  • Dry water is powdered by coating aqueous components with hydrophobic powder or hydrophobized powder, etc., and has the property of liquefying when applied during use.
  • Main applications of dry water include powdery cosmetics, which are used as white powder and whitening powder. In the ink and printing industries, it is also used as a powdery aqueous paint. Recently, it is expected as a material for storing and transporting methane gas hydrate, and has attracted attention as a material for efficiently performing heterogeneous catalytic reactions.
  • hydrophobic powder or hydrophobized powder is used.
  • a powdery cosmetic (dry water) using a hydrophobized silicic acid anhydride having a surface area of 60 m 2 / g or more is known (Patent Document 1).
  • a gas hydrate (dry water) using hydrophobic fumed silica is known (Patent Document 2).
  • the hydrophobic powder or the hydrophobized powder that has been used in the production of dry water so far is a polymer compound or an inorganic compound, there is an environmental impact in its use. The amount is limited. Therefore, there has been a demand for a method for producing dry water using a substance that has a low environmental load and is safer for the human body.
  • An object of the present invention is to provide a dry oil and fat composition for dry water that can easily produce dry water containing an aqueous component.
  • the present inventors have surprisingly found that dry water containing an aqueous component can be easily produced as long as it is a powdered oil composition satisfying specific conditions. Completed. That is, the present invention can include the following aspects.
  • a powdery fat composition for dry water containing a powdery fat composition that satisfies the following condition (a).
  • the powdery fat composition for dry water according to any one of [1] to [5], wherein the aspect ratio (2) of the particles of the powdery fat composition is 2.5 or more.
  • the powdered oil and fat composition contains a ⁇ -type oil and fat obtained by cooling and solidifying the oil and fat composition raw material containing the XXX type triglyceride at a cooling temperature or higher obtained from the following formula: [1] The powdered fats and oils composition for dry water as described in any one of-[6].
  • Cooling temperature (° C.) Carbon number ⁇ 6.6 ⁇ 68
  • ⁇ -type oil and fat obtained by cooling and solidifying the oil-and-fat composition raw material containing the XXX type triglyceride at a temperature equal to or higher than the melting point of ⁇ -type oil and fat corresponding to the ⁇ -type oil and fat.
  • Dry water comprising an aqueous component and the powdered fat composition for dry water according to any one of [1] to [9].
  • a method for producing dry water comprising the step of blending a powdery fat composition for dry water according to any one of [1] to [9] with an aqueous component.
  • the present invention anyone can easily produce dry water by blending a powder oil composition for dry water that satisfies specific conditions. Furthermore, since the above-mentioned powdered oil and fat composition for dry water is not a polymer compound or an inorganic compound, compared with the case of using these, the burden on the environment is small, the safety to the human body is high, and the amount used is limited. Can be used. Moreover, since the said powdery fat composition for dry water does not have a peculiar color, flavor, and smell, and its reactivity with other substances is low, it does not have an adverse effect on the finished dry water. Therefore, it can be suitably used for a wide range of applications (for example, powdery cosmetics, powdered aqueous paints, various gas storage / transport materials, heterogeneous catalytic reactions, etc.).
  • the dry water of the present invention is an aqueous component coated with a hydrophobic powder.
  • the dry water is not particularly limited in appearance as long as the aqueous component is coated with a hydrophobic powder, and may be solid, paste, powder, or spherical.
  • the dry water of this invention is coat
  • the dry water of the present invention will be described in more detail. Normally, when water droplets touch each other, the surface tension of each other is crushed and connected, resulting in larger water droplets.
  • the dry water of the present invention since the powder oil and fat composition covers the periphery of the water droplet, even when the water droplets touch each other, the water droplets do not stick to each other, and each maintains an independent shape. Therefore, the dry water of the present invention has fluidity and is crushed when pressure is applied, and an aqueous component comes out from the inside. For example, if a useful substance is contained in the aqueous component, it can be used as a carrier for the useful substance. In addition, if the aqueous component contains fine particles, the handleability of the fine particles is improved.
  • the dry water of the present invention can be used for a wide range of applications.
  • ⁇ Aqueous component> Ordinary water can be used as the aqueous component of the dry water of the present invention.
  • the aqueous component may contain only water, and may contain other substances that dissolve in water in addition to water. Further, the above-mentioned other substances that dissolve in water are not particularly limited as long as they are substances that are usually used as foods, cosmetics, and pharmaceuticals.
  • salting agents such as salt and potassium chloride
  • acidulants such as acetic acid, lactic acid and gluconic acid
  • liquid seasonings such as soy sauce
  • sugars and sugar alcohols sweeteners such as stevia and aspartame, ethanol Etc.
  • water-soluble drug components such as whitening agents, anti-inflammatory agents, antibacterial agents, hormone agents and the like can be included.
  • the aqueous component of the dry water of the present invention preferably contains 1 to 95% by mass, more preferably 20 to 90% by mass, and still more preferably 40 to 85% when the total mass of the dry water is 100% by mass. It is contained in an amount of 50% by mass, particularly preferably 50 to 85% by mass.
  • the present invention relates to a powdery oil / fat composition for dry water, which contains a powdery oily / fat composition satisfying the following condition (a) (hereinafter also simply referred to as “powdered oil / fat composition”).
  • the powdery fat composition for dry water of the present invention may optionally contain an emulsifier, a fragrance, a colorant, skim milk powder, whole milk powder, cocoa powder, sugar, dextrin, etc.
  • the content of the powdery fat composition satisfying the above condition (a) in the powdery fat composition for dry water is, for example, 50% by weight or more when the total weight of the powdery fat composition for dry water is 100% by weight.
  • the lower limit is preferably 60% by mass or more, more preferably 70% by mass or more, and still more preferably 80% by mass or more. For example, 100% by mass or less, preferably 99% by mass or less, more preferably 95% by mass. It is the range which makes% or less the upper limit.
  • 100 mass% of the powdered oil / fat composition for dry water may be a powdered oil / fat composition satisfying the above condition (a).
  • the said powder fat composition can be used 1 type or 2 or more types, Preferably it is 1 type or 2 types, More preferably, 1 type is used.
  • the powdered oil / fat composition of the present invention contains an oil / fat component.
  • the fat component contains at least XXX type triglyceride, and optionally other triglycerides.
  • the fat component includes ⁇ -type fat.
  • the ⁇ -type fats and oils are fats and oils composed only of ⁇ -type crystals, which is one of crystal polymorphs of fats and oils.
  • Other crystalline polymorphic fats and oils include ⁇ ′ type fats and oils and ⁇ type fats and oils, and ⁇ ′ type fats and oils are fats and oils composed only of ⁇ ′ type crystals that are one of the polymorphic forms of fats and oils.
  • ⁇ -type fats and oils are fats and oils composed only of ⁇ -type crystals, which is one of crystal polymorphs of fats and oils. Some fats and oils crystals have the same composition but have different sublattice structures (crystal structures) and are called crystal polymorphs. Typically, there are a hexagonal type, an orthorhombic vertical type, and a triclinic parallel type, which are called ⁇ type, ⁇ ′ type, and ⁇ type, respectively. In addition, the melting points of each polymorph increase in the order of ⁇ , ⁇ ′, ⁇ , and the melting point of each polymorph varies depending on the type of fatty acid residue X having carbon number x.
  • Table 1 was prepared based on Nissim Garti et al., “Crystallization and Polymorphism of Fats and Fatty Acids”, Marcel Dekker Inc., 1988, pp. 32-33. In preparing Table 1, the melting point temperature (° C.) was rounded to the first decimal place. Further, if the composition of the oil and fat and the melting point of each polymorph are known, it can be detected whether or not ⁇ -type oil or fat is present in the oil or fat.
  • d is a lattice constant
  • ⁇ is a diffraction (incident) angle
  • ⁇ is an X-ray wavelength
  • the crystal polymorphism of the above fats and oils can also be predicted by a differential scanning calorimetry (DSC method).
  • DSC method differential scanning calorimetry
  • the prediction of ⁇ -type fats and oils is based on a DSC curve obtained by heating up to 100 ° C. at a rate of temperature increase of 10 ° C./min with a differential scanning calorimeter (product number, BSC 6220, manufactured by SII Nano Technology Co., Ltd.). This is done by predicting the crystal structure of the oil.
  • the fat and oil component only needs to contain ⁇ -type fat or oil, or contains ⁇ -type fat and oil as a main component (greater than 50% by mass).
  • the fat and oil component is substantially from ⁇ -type fat and oil.
  • the oil and fat component is composed of ⁇ -type oil and fat, and in a particularly preferred embodiment, the oil and fat component is composed only of ⁇ -type oil and fat.
  • the case where all of the oil and fat components are ⁇ -type oils and fats is a case where ⁇ -type oils and / or ⁇ ′-type oils and fats are not detected by differential scanning calorimetry.
  • the above fat component (or powdered fat composition containing the fat component) has a diffraction peak in the vicinity of 4.5 to 4.7 mm, preferably in the vicinity of 4.6 mm in the X-ray diffraction measurement.
  • Table 1 there is no X-ray diffraction peak of the short face spacing of the ⁇ -type fat and / or ⁇ ′-type fat and oil, in particular, there is no diffraction peak in the vicinity of 4.2 mm. It can be judged that all are ⁇ -type oils and fats.
  • it is preferable that all the fat components are ⁇ -type fats and oils, but other ⁇ -type fats and ⁇ ′-type fats and oils may be contained.
  • the fat component in the present invention includes “ ⁇ -type fat” and an index of the relative amount of ⁇ -type fat with respect to ⁇ -type fat and ⁇ -type fat is the ⁇ -type characteristic peak among the X-ray diffraction peaks.
  • Intensity ratio between [alpha] -type characteristic peak and [[beta] -type characteristic peak intensity / [[alpha] -type characteristic peak intensity + [beta] -type characteristic peak intensity)] (hereinafter also referred to as peak intensity ratio). ).
  • it is preferable that all of the oil and fat components are ⁇ -type oils and fats (that is, peak intensity ratio 1).
  • the lower limit value of the peak intensity ratio is, for example, 0.4 or more, preferably 0.
  • the ⁇ -type oil can be regarded as having a main component of more than 50% by mass.
  • the upper limit of the peak intensity ratio is preferably 1, but 0.99 or less, 0.98 or less, 0.95 or less, 0.93 or less, 0.90 or less, 0.85 or less, 0.80 or less Etc.
  • the peak intensity ratio may be any one or any combination of the above lower limit value and upper limit value.
  • the oil and fat component of the present invention contains one or more XXX type triglycerides having a fatty acid residue X having x carbon atoms at the 1st to 3rd positions of glycerin.
  • the XXX type triglyceride is a triglyceride having a fatty acid residue X having x carbon atoms at the 1st to 3rd positions of glycerin, and each fatty acid residue X is the same as each other.
  • the carbon number x is an integer selected from 10 to 22, preferably an integer selected from 12 to 22, more preferably an integer selected from 14 to 20, and still more preferably selected from 16 to 18 Is an integer.
  • the fatty acid residue X may be a saturated or unsaturated fatty acid residue.
  • Specific examples of the fatty acid residue X include residues such as capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, and behenic acid, but are not limited thereto. More preferred as fatty acids are lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid and behenic acid, more preferred are myristic acid, palmitic acid, stearic acid and arachidic acid, and even more preferred is palmitic acid. Acids and stearic acid.
  • the content of the XXX type triglyceride is, for example, 50% by mass or more, preferably 60% by mass or more, more preferably 70% by mass or more, and still more preferably 80% by mass when the total mass of the fat and oil component is 100% by mass.
  • the lower limit is, for example, 100% by mass or less, preferably 99% by mass or less, and more preferably 95% by mass or less.
  • XXX type triglycerides can be used singly or in combination of two or more, preferably one or two, more preferably one. When there are two or more types of XXX type triglycerides, the total value is the content of XXX type triglycerides.
  • the oil and fat component of the present invention may contain other triglycerides other than the XXX type triglyceride as long as the effects of the present invention are not impaired.
  • the other triglycerides may be a plurality of types of triglycerides, and may be synthetic fats and oils or natural fats and oils. Examples of synthetic fats and oils include glyceryl tricaprylate. Examples of natural fats and oils include cocoa butter, sunflower oil, rapeseed oil, soybean oil, and cottonseed oil.
  • the total triglyceride in the oil and fat component of the present invention is 100% by mass, there is no problem even if other triglycerides are contained in an amount of 1% by mass or more, for example, about 5 to 50% by mass.
  • the content of other triglycerides is, for example, 0 to 30% by mass, preferably 0 to 18% by mass, more preferably 0 to 15% by mass, and further preferably 0 to 8% by mass.
  • the powdered fat composition of the present invention may optionally contain other components such as emulsifiers, fragrances, coloring agents, skim milk powder, whole milk powder, cocoa powder, sugar, dextrin, etc., in addition to the above oil and fat components such as triglycerides. Good.
  • the amount of these other components may be any amount as long as the effects of the present invention are not impaired. For example, when the total mass of the powdered oil and fat composition is 100% by mass, 0 to 70% by mass, preferably Is 0 to 65% by mass, more preferably 0 to 30% by mass.
  • 90% by mass or more of the other components are preferably a powder having an average particle size of 1000 ⁇ m or less, and more preferably a powder having an average particle size of 500 ⁇ m or less.
  • the average particle diameter here is a value (d50) measured by a laser diffraction scattering method (ISO133201 and ISO9276-1).
  • the preferred powdered fat composition of the present invention consists essentially of the above fat component, and the fat component preferably consists essentially of triglyceride.
  • substantially means that the component other than the fat component contained in the fat composition or the component other than the triglyceride contained in the fat component is 100% by mass of the powdered fat composition or fat component, For example, it means 0 to 15% by mass, preferably 0 to 10% by mass, more preferably 0 to 5% by mass.
  • the powdery fat composition of the present invention is a powdery solid at ordinary temperature (20 ° C.).
  • Loose bulk density of the powder fat and oil composition of the present invention for example, be comprised of substantially only the oil component, 0.05 ⁇ 0.6g / cm 3, preferably 0.1 ⁇ 0.5g / cm 3, More preferably, it is 0.1 to 0.4 g / cm 3 or 0.15 to 0.4 g / cm 3 , and further preferably 0.2 to 0.3 g / cm 3 .
  • the “loosened bulk density” is a packing density in a state where the powder is naturally dropped.
  • the loose bulk density (g / cm 3 ) is measured by, for example, dropping an appropriate amount of the powdered fat composition from about 2 cm above the upper opening end of the graduated cylinder into a graduated cylinder with an inner diameter of 15 mm ⁇ 25 mL, It can be determined by measuring the filled mass (g) and reading the volume (mL), and calculating the mass (g) of the powdered oil / fat composition per mL.
  • the loose bulk density can also be calculated from the bulk specific gravity measured based on JIS K-6720 (or ISO 1060-1 and 2) using a bulk density measuring instrument of Kuramochi Scientific Instruments.
  • the loose bulk density can also be measured by the following method.
  • the loose bulk density (g / cm 3 ) can be measured with a powder tester (model PT-X) manufactured by Hosokawa Micron Corporation. Specifically, the sample is charged in a powder tester, the upper chute charged with the sample is vibrated, and the sample is dropped into the lower measuring cup by natural fall. The sample raised from the measuring cup is scraped off, the mass (Ag) of the sample corresponding to the internal volume (100 cm 3 ) of the receiver is weighed, and the loose bulk density is obtained from the following equation.
  • Loose bulk density (g / cm 3 ) A (g) / 100 (cm 3 )
  • an appropriate amount of the powdered fat composition is dropped into a measuring cylinder having an inner diameter of 15 mm ⁇ 25 mL from about 2 cm above the upper opening end of the measuring cylinder, and is filled loosely, and measurement of the filled mass (g) and capacity (mL ) And calculating the mass (g) of the powdered oil / fat composition per mL.
  • the powdered fat composition of the present invention has a plate-like form, and is, for example, 0.5 to 200 ⁇ m, preferably 1 to 100 ⁇ m, more preferably 1 to 60 ⁇ m, and still more preferably 1 to It has an average particle size (effective diameter) of 30 ⁇ m, even more preferably 20 ⁇ m or less, even more preferably 1 to 20 ⁇ m.
  • the average particle diameter (effective diameter) is a value (d50) measured by a laser diffraction scattering method (ISO133201, ISO9276-1) with a particle size distribution measuring device (for example, Microtrac MT3300ExII manufactured by Nikkiso Co., Ltd.).
  • the effective diameter means the particle diameter of the spherical shape when the actually measured diffraction pattern of the crystal to be measured matches the theoretical diffraction pattern obtained on the assumption that it is spherical.
  • the effective diameter is calculated by fitting the theoretical diffraction pattern obtained on the assumption of a sphere and the actual diffraction pattern, so even if the measurement target is a plate shape Even a spherical shape can be measured by the same principle.
  • the plate-like shape preferably has an aspect ratio of 1.1 or more, more preferably an aspect ratio of 1.2 or more, still more preferably 1.2 to 3.0, particularly preferably The aspect ratio is 1.3 to 2.5, particularly preferably 1.4 to 2.0.
  • the aspect ratio here is defined as the ratio of the length of the long side to the length of the short side of the particle figure surrounded by a rectangle circumscribing so as to minimize the area. Further, when the particles are spherical, the aspect ratio is smaller than 1.1. In the conventional method, in which oils with a high solid fat content such as extremely hardened oil are dissolved and sprayed directly, the particles of the powdered oil composition become spherical due to surface tension, and the aspect ratio is less than 1.1. Become.
  • the aspect ratio is measured, for example, by measuring the length in the major axis direction and the length in the minor axis direction of the arbitrarily selected particles by direct observation with an optical microscope, a scanning electron microscope, or the like. It can obtain
  • the aspect ratio (2) of the particles can be measured, for example, by the following methods (a) and (b).
  • this measuring method can be used when the particles are spherical.
  • B When the major axis or thickness of each particle cannot be measured from the electron micrograph of the particle. For example, when the particle has a flat shape or a plate-like shape, each particle appears in the electron micrograph. For the particles, the major axis can be measured, but the thickness is often not visible in the photograph and is difficult to measure directly from the photograph. In such a case, the particle is attached to the surface of a core material such as glass beads, an electron micrograph is taken, and the vertical length from the surface of the particle attached to the core material surface is defined as the particle thickness. Measure and use this value as thickness. This will be explained with reference to the schematic diagram of FIG. 10. A in FIG.
  • B is a particle for measuring an aspect ratio (2)
  • the length of the line segment ab Is the thickness value of the particles.
  • the average particle diameter (d50) measured based on the above-mentioned laser diffraction scattering method is used.
  • the aspect ratio (2) of the particles of the powdery fat composition of the present invention is preferably 2.5 or more, more preferably 2.5 to 100, still more preferably 3 to 50, even more. It is 3 to 20, particularly preferably 3 to 15.
  • the powdered oil and fat composition of the present invention is prepared by melting an oil and fat composition raw material containing one or more XXX type triglycerides having a fatty acid residue X having a carbon number of x at the 1st to 3rd positions of glycerin at a specific cooling temperature.
  • a powdery oil / fat composition can be obtained without taking special processing means such as mechanical pulverization by a pulverizer such as spray or mill.
  • step (a) preparing an oil and fat composition raw material containing the XXX type triglyceride, optionally heating the oil and fat composition raw material obtained in step (a) as step (b),
  • the oil and fat composition raw material in a molten state is obtained by dissolving the triglyceride contained in the raw material, and
  • the oil and fat composition raw material is cooled and solidified to contain ⁇ -type oil and fat, and the particle shape is plate-like Is obtained.
  • the powder oil composition can also be produced by applying known pulverization processing means such as a hammer mill and a cutter mill to the solid obtained after cooling.
  • the term “fine” refers to the case where the primary particles (smallest size crystals) are, for example, 20 ⁇ m or less, preferably 15 ⁇ m or less, more preferably 10 ⁇ m or less.
  • the manufacturing method of a powder oil-fat composition comprises the following steps: (A) a step of preparing an oil and fat composition raw material containing XXX type triglyceride, (B) The optional step of heating the fat composition raw material obtained in step (a) arbitrarily to obtain the molten fat composition raw material by dissolving the triglyceride contained in the fat composition raw material, (D) a step of cooling and solidifying the oil-and-fat composition raw material to obtain a powdered oil-and-fat composition containing ⁇ -type oil and fat and having a plate-like particle shape; It can manufacture by the method containing.
  • stimulating powder production as a process (c) for example, (c1) Seeding process, (c2) Tempering process, and / or (c3) A pre-cooling step may be included.
  • the powdered fat composition obtained in the step (d) may be obtained by the step (e) of obtaining a powdery fat composition by grinding the solid obtained after cooling in the step (d). Good.
  • the steps (a) to (e) will be described.
  • the oil and fat composition raw material containing XXX type triglyceride prepared in step (a) is one or more XXX type triglycerides having a fatty acid residue X of carbon number x at the 1st to 3rd positions of glycerin. It is manufactured based on the manufacturing method of fats and oils, such as normal XXX type triglyceride containing, or can be easily obtained from the market.
  • the XXX-type triglyceride specified by the carbon number x and the fatty acid residue X is the same as that of the finally obtained fat component except for the crystal polymorph.
  • the raw material may contain ⁇ -type fats and oils, for example, the ⁇ -type fats and oils may contain 0.1% by mass or less, 0.05% by mass or less, or 0.01% by mass or less. .
  • the raw material may be a raw material in a molten state.
  • the fact that ⁇ -type fats and oils are substantially not included is not limited to XXX type triglycerides, but also means that substantially all of the fat and oil components are not ⁇ -type fats and oils.
  • Presence of the type fat / oil can be confirmed by confirming the diffraction peak due to the ⁇ type fat / oil by the above-mentioned X-ray diffraction measurement, the ⁇ type fat / oil by the differential scanning calorimetry, and the like.
  • the amount of ⁇ -type oil / fat in the case of “substantially free of ⁇ -type oil / fat” is the intensity ratio between the characteristic peak of ⁇ -type and the characteristic peak of ⁇ -type among the X-ray diffraction peaks [characteristic of ⁇ -type It can be assumed from the following: intensity of target peak / (intensity of characteristic peak of ⁇ type + intensity of characteristic peak of ⁇ type)] (peak intensity ratio)
  • the said peak intensity ratio of the said fat-and-oil composition raw material is 0.2 or less, for example, Preferably, it is 0.15 or less, More preferably, it is 0.10 or less.
  • the oil and fat composition raw material may contain one or more XXX triglycerides as described above, preferably one or two, more preferably one.
  • the XXX type triglyceride can be produced by direct synthesis using a fatty acid or a fatty acid derivative and glycerin.
  • a method of directly synthesizing XXX type triglyceride (i) a method of directly esterifying a fatty acid having X carbon atoms and glycerin (direct ester synthesis), (ii) a carboxyl group of fatty acid X having x carbon number is an alkoxyl group
  • the method (acid halide synthesis
  • XXX type triglycerides can be produced by any of the above-mentioned methods (i) to (iii), but from the viewpoint of ease of production, (i) direct ester synthesis or (ii) transesterification synthesis using fatty acid alkyl is Preferably, (i) direct ester synthesis is more preferred.
  • reaction temperature in the (i) direct ester synthesis of the XXX type triglyceride may be a temperature at which the water produced by the esterification reaction can be removed from the system, and is preferably 120 ° C. to 300 ° C., for example, 150 ° C. to 270 ° C. More preferably, 180 ° C. to 250 ° C. is even more preferable. By carrying out the reaction at 180 to 250 ° C., XXX type triglyceride can be produced particularly efficiently.
  • a catalyst for promoting the esterification reaction may be used.
  • the catalyst include an acid catalyst and an alkaline earth metal alkoxide.
  • the amount of the catalyst used is preferably about 0.001 to 1% by mass relative to the total mass of the reaction raw materials.
  • the catalyst and raw material unreacted substances are removed by performing known purification treatments such as washing with water, alkaline deoxidation and / or vacuum deoxidation, and adsorption treatment. can do.
  • the obtained reaction product can be further purified by performing decolorization / deodorization treatment.
  • the amount of the XXX type triglyceride contained in the oil and fat composition raw material is, for example, 100 to 50% by mass, preferably 95 to 55% by mass, when the total mass of all triglycerides contained in the raw material is 100% by mass. More preferably, it is 90 to 60% by mass. Even more preferably, it is 85 to 65% by mass.
  • triglycerides As the other triglyceride serving as the raw material for the oil and fat composition containing XXX type triglyceride, various triglycerides may be included in addition to the above XXX type triglyceride, as long as the effects of the present invention are not impaired.
  • other triglycerides for example, an X2Y type triglyceride in which one fatty acid residue X of the XXX type triglyceride is substituted with a fatty acid residue Y, and two fatty acid residues X in the XXX type triglyceride are substituted with a fatty acid residue Y.
  • the amount of the other triglycerides is, for example, 0 to 100% by mass, preferably 0 to 70% by mass, more preferably 1 to 40% by mass, when the total mass of the XXX type triglyceride is 100% by mass.
  • a natural triglyceride composition obtained by hydrogenation, transesterification or fractionation may be used as the oil and fat composition raw material of the present invention.
  • naturally occurring triglyceride compositions include rapeseed oil, soybean oil, sunflower oil, high oleic sunflower oil, safflower oil, palm stearin, and mixtures thereof.
  • hardened oils, partially hardened oils and extremely hardened oils of these naturally derived triglyceride compositions More preferred are hard palm stearin, high oleic sunflower oil extremely hardened oil, rapeseed extremely hardened oil, and soybean extremely hardened oil.
  • oil and fat composition raw material of the present invention a commercially available triglyceride composition or synthetic oil and fat can be mentioned.
  • a triglyceride composition hard palm stearin (manufactured by Nisshin Oillio Group Co., Ltd.), rapeseed extremely hardened oil (manufactured by Yokoseki Yushi Kogyo Co., Ltd.), soybean super hardened oil (manufactured by Yokoseki Yushi Kogyo Co., Ltd.) can be mentioned. it can.
  • Synthetic fats and oils include tripalmitin (manufactured by Tokyo Chemical Industry Co., Ltd.), tristearin (manufactured by Sigma Aldrich), tristearin (manufactured by Tokyo Chemical Industry Co., Ltd.), triarachidin (manufactured by Tokyo Chemical Industry Co., Ltd.) and tribehenine (manufactured by Tokyo Chemical Industry Co., Ltd.). Manufactured by Kogyo Co., Ltd.).
  • palm extremely hardened oil has a low content of XXX type triglyceride, and therefore can be used as a dilute component of triglyceride.
  • the oil and fat composition raw material may optionally contain other components such as a partial glyceride, a fatty acid, an antioxidant, an emulsifier, and a solvent such as water.
  • the amount of these other components may be any amount as long as the effects of the present invention are not impaired. For example, when the total mass of the XXX triglyceride is 100% by mass, 0 to 5% by mass, preferably It is 0-2% by mass, more preferably 0-1% by mass.
  • the said fat-and-oil composition raw material contains two or more components
  • a paddle mixer, an adihomo mixer, a disper mixer, or the like can be used. You may mix the said heating under a heating as needed.
  • the heating is preferably at the same level as the heating temperature in the step (b) described later, for example, 50 to 120 ° C., preferably 60 to 100 ° C., more preferably 70 to 90 ° C., more preferably 80 ° C. Is called.
  • the heating of the oil / fat composition raw material is performed at a temperature equal to or higher than the melting point of the triglyceride contained in the oil / fat composition raw material, particularly at a temperature at which the XXX type triglyceride can be melted, for example, 70 to 200 ° C., preferably 75 to 150 ° C. More preferably, the temperature is 80 to 100 ° C.
  • the heating is suitably continued, for example, for 0.1 to 3 hours, preferably 0.3 to 2 hours, more preferably 0.5 to 1 hour.
  • Step D Step of cooling the molten fat composition to obtain a powdered fat composition
  • the molten fat composition raw material prepared in the above step (a) or (b) is further cooled and solidified to form ⁇ -type A powdery fat composition containing fats and oils and having a plate-like particle shape is formed.
  • the upper limit value of the cooling temperature is obtained by using the molten fat composition raw material as a ⁇ -type fat of the fat component contained in the fat composition raw material. It is necessary to keep the temperature lower than the melting point of.
  • the melting point of ⁇ type fat is: Since it is 74 ° C. (Table 1), it is 1-30 ° C. lower than the melting point (ie, 44-73 ° C.), preferably 1-20 ° C. lower than the melting point (ie, 54-73 ° C.), more preferably 1-15 ° C. below the melting point (ie 59-73 ° C.), particularly preferably 1 ° C., 2 ° C., 3 ° C., 4 ° C., 5 ° C., 6 ° C., 7 ° C., 8 ° C., 9 ° C.
  • Cooling temperature (° C.) Carbon number ⁇ 6.6 ⁇ 68 (In the formula, carbon number x is carbon number x of XXX type triglyceride contained in the oil and fat composition raw material)
  • the cooling temperature is set to ⁇ -type fats other than ⁇ -type fats and ⁇ ′-type fats and oils other than ⁇ -type fats. This is because it is necessary to set a temperature at which crystallization does not occur.
  • the cooling temperature mainly depends on the molecular size of the XXX type triglyceride, it can be understood that there is a certain correlation between the carbon number x and the lower limit of the optimum cooling temperature.
  • the XXX type triglyceride contained in the oil and fat composition raw material is XXX type triglyceride having 3 stearic acid residues having 18 carbon atoms
  • the lower limit of the cooling temperature is 50.8 ° C. or more. Therefore, in the case of the XXX type triglyceride having 3 stearic acid residues having 18 carbon atoms, the temperature for “cooling and solidifying the molten oil composition raw material” is more preferably 50.8 ° C.
  • the lower limit can be determined according to the cooling temperature with the smaller carbon number x.
  • the XXX type triglyceride contained in the oil and fat composition raw material is a mixture of XXX type triglyceride having 3 palmitic acid residues having 16 carbon atoms and XXX type triglyceride having 3 stearic acid residues having 18 carbon atoms.
  • the lower limit of the cooling temperature is 37.6 ° C. or higher in accordance with the smaller carbon number of 16.
  • the lower limit value of the cooling temperature is suitably a temperature equal to or higher than the melting point of the ⁇ -type oil or fat corresponding to the ⁇ -type oil or fat of the oil or fat composition raw material containing XXX type triglyceride.
  • the XXX-type triglyceride contained in the oil-and-fat composition raw material is a XXX-type triglyceride having 3 stearic acid residues having 18 carbon atoms
  • the temperature for “cooling and solidifying the molten oil and fat composition raw material” in this case is preferably 55 ° C. or more and 72 ° C. or less.
  • the cooling of the raw material for the fat and oil composition in the molten state is, for example, when x is 10 to 12, the final temperature is preferably ⁇ 2 to 46 ° C., more preferably 12 to 44 ° C., and still more preferably. It is performed by cooling to a temperature of 14 to 42 ° C.
  • the final temperature in cooling is preferably 24 to 56 ° C., more preferably 32 to 54 ° C., still more preferably 40 to 52 ° C., and when x is 15 or 16, Preferably it is 36 to 66 ° C., more preferably 44 to 64 ° C., further preferably 52 to 62 ° C., and when x is 17 or 18, it is preferably 50 to 72 ° C., more preferably 54 to 70 ° C. Preferably, it is 58 to 68 ° C. When x is 19 or 20, it is preferably 62 to 80 ° C, more preferably 66 to 78 ° C, still more preferably 70 to 77 ° C, and when x is 21 or 22.
  • At the final temperature for example, preferably 2 hours or more, more preferably 4 hours or more, still more preferably 6 hours or more, preferably 2 days or less, more preferably 24 hours or less, still more preferably 12 hours or less, It is appropriate to stand still.
  • step (a) or (b) and step (d) is after step (a) or (b) in step (a) or (b) and in step (d). It means to include the previous step (d).
  • the seeding method (c1) and the tempering method (c2) are carried out before the cooling to the final temperature in order to make the oil and fat composition raw material in a molten state more reliable in the production of the oil and fat composition of the present invention. And a method for accelerating the production of powder for treating a raw material of an oil and fat composition in a molten state.
  • the seeding method (c1) is a method in which a small amount of a component that becomes a powder core (seed) is added at the time of cooling the oil and fat composition raw material in a molten state to promote powdering.
  • the XXX type triglyceride having the same carbon number as that of the XXX type triglyceride in the fat and oil composition raw material is preferably 80% by mass or more to the fat and oil composition raw material in the molten state obtained in the step (b). More preferably, an oil and fat powder containing 90% by mass or more is prepared as a core (seed) component.
  • the temperature of the fat composition raw material reaches, for example, the final cooling temperature ⁇ 0 to + 10 ° C., preferably +5 to + 10 ° C.
  • the tempering method (c2) is a temperature lower than the cooling temperature in the step (d), for example, 5 to 20 ° C., before cooling at the final cooling temperature in the cooling of the fat and oil composition raw material in a molten state.
  • the pulverization of the oil and fat composition is promoted by cooling to a low temperature, preferably 7 to 15 ° C., more preferably about 10 ° C., preferably for 10 to 120 minutes, more preferably about 30 to 90 minutes. It is a method to do.
  • the preliminary cooling method (c3) includes the XXX type triglyceride before the molten oil composition raw material obtained in the step (a) or (b) is cooled in the step (d).
  • a method of once cooling at a temperature between the temperature at which the oil / fat composition raw material is prepared and the cooling temperature at the time of cooling the oil / fat composition raw material in other words, from the molten state temperature in the step (a) or (b) Is preliminarily cooled at a temperature higher than the cooling temperature of step (d).
  • C3 Subsequent to the pre-cooling method, cooling is performed at the cooling temperature at the time of cooling the fat composition raw material in the step (d).
  • the temperature higher than the cooling temperature of step (d) is, for example, a temperature 2 to 40 ° C. higher than the cooling temperature of step (d), preferably a temperature higher by 3 to 30 ° C., more preferably a temperature higher by 4 to 30 ° C., More preferably, the temperature may be as high as 5 to 10 ° C.
  • the lower the temperature for the preliminary cooling the shorter the main cooling time at the cooling temperature in the step (d). That is, unlike the seeding method or the tempering method, the pre-cooling method is a method that can promote the pulverization of the oil / fat composition by simply lowering the cooling temperature stepwise, and has a great advantage in industrial production.
  • Step of obtaining a powdered fat composition by pulverizing a solid matter is more specifically a solid matter obtained by cooling in the step (d). It may be performed by the process (e) which grind
  • the fat and oil composition that has become a solid having voids can be pulverized by applying a light impact, and the solid is easily disintegrated into a powder form.
  • a means for applying a light impact is not particularly specified, but a method of lightly applying vibration (impact) and pulverizing (raising) by shaking, sieving, etc. is simple and preferable.
  • the solid material may be pulverized by a known pulverization means. Examples of such pulverization means include a hammer mill and a cutter mill.
  • the powdery fat composition for dry water of the present invention preferably contains 5 to 99 parts by mass, more preferably 10 to 80 parts by mass, and further preferably 15 to 60 parts by mass in 100 parts by mass of dry water. In an amount of 15 to 50 parts by mass.
  • the method for producing the dry water of the present invention is not particularly limited, and can be produced, for example, by including a step of blending a powder oil composition for dry water with an aqueous component.
  • a powder oil composition for dry water for example, it can be produced by dropping an aqueous component onto the powdered oil / fat composition and rolling the droplets as appropriate (dropping method).
  • it can manufacture by putting the said powdery fat composition and an aqueous component into a stirrer, and mixing and stirring simultaneously (mixing method).
  • the mixing / stirring means is not particularly limited, and a homomixer, a three-one motor, a V-type mixer, a kneader, or a pulverizer such as a cutter mill can be used.
  • the size of the dry water produced by this method is not particularly limited.
  • the average particle size is preferably 10 mm or less, more preferably 5 mm or less, and 3 mm or less. Are particularly preferred, and those of 1 mm or less are particularly preferred (note that the dry water in FIG. 1 is about 3 mm).
  • the dry water of the present invention can also contain a hydrophobic powder or a hydrophobized powder used in a conventional dry water production method as long as the effects of the present invention are not impaired.
  • the hydrophobic powder used in the present invention includes polyamide resin powder (nylon powder), polyethylene powder, polymethyl methacrylate powder, polystyrene powder, copolymer resin powder of styrene and acrylic acid, benzoguanamine resin powder, Examples thereof include organic powders such as fluorinated ethylene powder and cellulose powder, and silicon powders such as trimethylsilsesquioxane powder.
  • hydrophobized powder used in the present invention examples include talc, kaolin, mica, sericite (sericite), muscovite, phlogopite, synthetic mica, safmica, biotite, lithia mica, permiculite, magnesium carbonate.
  • the other substance contained in the dry water is, for example, preferably from 0 to 15% by mass, more preferably from 0 to 10% by mass, and even more preferably from 0 to 5% when the dry oil / fat composition for dry water is 100% by mass. % By mass.
  • the loose bulk density (g / cm 3 ) of the powdered fat composition obtained in the examples and the like is measured in a measuring cylinder having an inner diameter of 15 mm ⁇ 25 mL from about 2 cm above the upper opening end of the measuring cylinder.
  • the composition was dropped and loosely filled, the filled mass (g) was measured and the capacity (mL) was read, and the mass (g) of the powdered oil / fat composition per mL was calculated.
  • ⁇ Crystal (micrograph) The crystals of the powdered oil / fat composition obtained with a 3D real surface view microscope VE-8800 (manufactured by Keyence Corporation) were photographed. The obtained micrographs are shown in FIG. 4 (Production Example 7) and FIG.
  • Aspect ratio (2) Particle aspect ratio (2) of powdered oil and fat B (manufactured by Riken Vitamin Co., Ltd .: trade name “Spray Fat NR100”) Most of the powdered fats and oils are spherical, and the diameter and thickness of each particle can be directly measured from an electron micrograph of the particle. Therefore, the 3D real surface view microscope VE-8800 (manufactured by Keyence Corporation) ) Measure the major axis and thickness (vertical and horizontal) of each particle in the photograph taken in step), determine the aspect ratio (2) for each particle, and determine the aspect ratio of a total of 20 particles. The average value of (2) was defined as the aspect ratio (2) of the particles.
  • FIG. 11 is one of the electron micrographs (1500 times) used for the measurement of the particle thickness of the powdered fat composition A described later. In this photograph, the parts (two places) indicated by straight lines in the photograph.
  • the thickness of the particles of the powdery fat composition was measured as the thickness of the particles of the powdery fat composition.
  • the average particle diameter (d50) measured based on the above-mentioned laser diffraction scattering method was used for the value of the major axis.
  • ⁇ Average particle size (d50) It measured based on the laser diffraction scattering method (ISO133201, ISO9276-1) with the particle size distribution measuring apparatus (Microtrac MT3300ExII by Nikkiso Co., Ltd.). In addition, the measured average particle diameter is the value of d50.
  • Powdered fat composition A (powdered fat composition for dry water) 25 g of triglyceride having a stearic acid residue (carbon number 18) at the 1st to 3rd positions (XXX type: 79.1% by mass, rapeseed extremely hardened oil, manufactured by Yokoseki Oil & Fat Co., Ltd.) at 80 ° C. for 0.5 hour It was maintained and completely melted, cooled in a thermostatic bath at 60 ° C. for 12 hours to form a solid having voids with increased volume, and after crystallization was completed, it was cooled to a room temperature (25 ° C.) state.
  • XXX type 79.1% by mass, rapeseed extremely hardened oil, manufactured by Yokoseki Oil & Fat Co., Ltd.
  • the obtained solid is mechanically pulverized to obtain a powdery oil composition A (loose bulk density: 0.2 g / cm 3 , particle aspect ratio 1.6, particle aspect ratio (2 ): 4.6, average particle size 8.0 ⁇ m, X-ray diffraction measurement diffraction peak: 4.6 4, peak intensity ratio: 0.89).
  • a powdery oil composition A loose bulk density: 0.2 g / cm 3 , particle aspect ratio 1.6, particle aspect ratio (2 ): 4.6, average particle size 8.0 ⁇ m, X-ray diffraction measurement diffraction peak: 4.6 4, peak intensity ratio: 0.89.
  • the obtained powdery fat composition A was observed with a 3D real surface view microscope VE-8800 (manufactured by Keyence Corporation), the shape of the particles of the powdered fat composition A was a plate-like shape.
  • the micrographs of this powdered oil / fat composition A are shown in FIG. 12 (100 times) and FIG. 13 (300 times). In the following tests,
  • Powdered fats and oils B As the powdered fats and oils B, commercially available powdered fats and oils (manufactured by Riken Vitamin Co., Ltd .: Spray Fat NR100) were used.
  • This powdered fat / oil B is a bead-shaped spherical powder, which is easily dispersed in water in which the fat / oil is trapped, has a loose bulk density of 0.5 g / cm 3 , a particle aspect ratio of 1.1, and a particle aspect ratio.
  • the ratio (2) was 1.1, and the average particle size was 86 ⁇ m.
  • Example 1 Production of dry water (Drip method) 2 g of the powdered fat / oil composition A was placed on a petri dish having a diameter of 90 mm, and this was flattened to form a layer made of the powdered fat / oil composition A. Next, 20 ⁇ l of the aqueous component was dropped on the petri dish with a micropipette, and the resulting liquid droplets were rolled on the petri dish to obtain dry water (Example 1). In addition, it replaced with the powdery fat composition A for the comparison, and it experimented similarly using the powdered fats and oils B (comparative example 1). In addition, the state of the dry water of Example 1 was shown in FIG.
  • Example 1 the powdered fat composition A gathered so as to cover the interface of the aqueous component (water droplets), and the water droplets were coated to form droplet-shaped dry water ( The average particle size was about 3 mm).
  • wettability affinity of the liquid with respect to the solid surface
  • dry water could not be formed.
  • the dry water of Example 1 was applied to the back of the hand. As a result, the dry water collapsed, and the aqueous component easily adapted to the skin without feeling rough.
  • Example 2 Production of dry water (mixing method) 15 g of the powdered oil / fat composition A and 15 g of the aqueous component were placed in a mixing apparatus (Labo Milser LM-PLUS, Osaka Chemical Co., Ltd.) and mixed at 6000 rpm for 30 seconds to obtain dry water (Example 2). In addition, it replaced with the powdery fat composition A for the comparison, and it experimented similarly using the powdered fats and oils B (comparative example 2). In addition, the state of the dry water of Example 2 was shown in FIG.
  • Example 2 the powdered fat composition A was coated with an aqueous component to form powdery dry water.
  • powdered oil B was used (Comparative Example 2)
  • dry water could not be formed.
  • the dry water of Example 2 was applied to the back of the hand, the dry water collapsed, and the aqueous component easily adapted to the skin without feeling roughness.
  • the powdery composition obtained by these production examples can also be used as a powder oil composition for dry water, as in the above examples.
  • (Production Example 1): x 16 25 g of a triglyceride (XXX type: 89.7% by mass, tripalmitin, manufactured by Tokyo Chemical Industry Co., Ltd.) having a palmitic acid residue (carbon number 16) at the 1st to 3rd positions is maintained at 80 ° C. for 0.5 hour. The mixture was completely melted and cooled in a constant temperature bath at 50 ° C.
  • a powdered oil composition which is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size: 119 ⁇ m, X-ray diffraction measurement) Diffraction peak: 4.6 ⁇ , peak intensity ratio: 0.90).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystalline composition by loosening the obtained solid (relaxed bulk density: 0.3 g / cm 3 , aspect ratio: 1.4, average particle size 99 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.88).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition which is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size 87 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.89).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystalline composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size 92 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.89).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition which is a powdery crystalline composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size 30 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.93).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size 31 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.88).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 1.6, average particle size 54 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.89).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystalline composition by loosening the obtained solid (relaxed bulk density: 0.3 g / cm 3 , aspect ratio: 1.4, average particle size 60 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.91).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 1.6, average particle size 48 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.89).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition which is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.3 g / cm 3 , aspect ratio: 1.4, average particle size 63 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.78). Palm extremely hardened oil had a very low content of XXX type triglyceride and was used as a diluent component (hereinafter the same).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition which is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size 36 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.88).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition which is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 1.6, average particle size 50 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.90).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystalline composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 1.6, average particle size 52 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.89).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystalline composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 1.6, average particle size 60 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.89).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition which is a powdery crystal composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size 42 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.92).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • a powdered oil composition that is a powdery crystalline composition by loosening the obtained solid (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 2.0, average particle size 52 ⁇ m, X-ray diffraction measurement diffraction) Peak: 4.6 ⁇ , peak intensity ratio: 0.93).
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • Powdered fat composition (relaxed bulk density: 0.2 g / cm 3 , aspect ratio: 1.6, average particle size 74 ⁇ m, X-ray diffraction measurement diffraction peak: 4.6 ⁇ , peak intensity ratio: 0) .90).
  • powdery fat composition was observed with a 3D real surface view microscope VE-8800 (manufactured by Keyence Corporation)
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • Powdered fat composition (relaxed bulk density: 0.3 g / cm 3 , aspect ratio: 1.4, average particle size 77 ⁇ m, X-ray diffraction measurement diffraction peak: 4.6 ⁇ , peak intensity ratio: 0) .88) was obtained.
  • the shape of the particles of the powdered fat composition was a plate-like shape.
  • Tables 2 and 3 summarize the results of the above production examples and production comparative examples.
  • the powdery oil-fat composition obtained by the following manufacture example can also be used as a powdered oil-fat composition for dry water like the said Example.
  • (Production Example 19): x 18 About 1000 g of triglyceride having a stearic acid residue (carbon number 18) at the 1st to 3rd positions (XXX type: 79.1% by mass, rapeseed extremely hardened oil, flakes, manufactured by Yokoseki Oil & Fat Co., Ltd.) at 80 ° C. Maintain for 12 hours to melt completely, cool in a 60 ° C constant temperature bath for 12 hours to form solids with voids with increased volume, complete crystallization, then cool to room temperature (25 ° C) state did.
  • the obtained solid was mechanically pulverized to obtain a powdery fat composition (relaxed bulk density: 0.2 g / cm 3 , particle aspect ratio: 1.4, particle aspect ratio (2): 3.7, average average).
  • the shape of the particles of the powdered fat composition was a plate shape.
  • the loose bulk density, aspect ratio, aspect ratio (2), average particle diameter, and X-ray diffraction were measured by the methods described above.
  • the obtained solid was mechanically pulverized to obtain a powdered fat composition (relaxed bulk density: 0.2 g / cm 3 , particle aspect ratio: 1.5, particle aspect ratio (2): 3.5, average particle size) Diameter: 7.4 ⁇ m, X-ray diffraction measurement diffraction peak: 4.6 ⁇ , peak intensity ratio: 0.89). From the diffraction peak of X-ray diffraction measurement and the peak intensity ratio, it was found that the oil / fat component of the obtained powdered oil / fat composition contains ⁇ -type oil / fat.
  • the shape of the particles of the powdered fat composition was a plate shape.
  • the loose bulk density, aspect ratio, aspect ratio (2), average particle diameter, and X-ray diffraction were measured by the methods described above.
  • the obtained solid was mechanically pulverized to obtain a powdered fat composition (relaxed bulk density: 0.2 g / cm 3 , particle aspect ratio: 1.4, particle aspect ratio (2): 7.2, average particle size) Diameter 14.4 ⁇ m, X-ray diffraction measurement diffraction peak: 4.6 ⁇ , peak intensity ratio: 0.90). From the diffraction peak of X-ray diffraction measurement and the peak intensity ratio, it was found that the oil / fat component of the obtained powdered oil / fat composition contains ⁇ -type oil / fat. When the powdery fat composition before pulverization was visually observed, it was a solid having voids with an increased volume.
  • FIG. 16 is a photograph of the appearance of the powdery fat composition before pulverization. Further, when the powdered oil / fat composition before pulverization was observed with a 3D real surface view microscope VE-8800 (manufactured by Keyence Corporation), a large number of plate-shaped particles overlapped.
  • FIG. 17 is an electron micrograph (200 ⁇ ) of the powdery fat composition before pulverization. Further, when the obtained powdery fat composition was observed with a 3D real surface view microscope VE-8800 (manufactured by Keyence Corporation), the shape of the particles of the powdered fat composition was a plate shape. 18 and 19 are electron micrographs (1000 times) of the powdered oil / fat composition. The loose bulk density, aspect ratio, aspect ratio (2), average particle diameter, and X-ray diffraction were measured by the methods described above.

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  • Edible Oils And Fats (AREA)
  • Fats And Perfumes (AREA)

Abstract

Le but de la présente invention concerne une composition d'huile et de graisse en poudre pour l'eau sèche, permettant la production aisée d'eau sèche comprenant un constituant aqueux. La présente invention concerne une composition d'huile et de graisse en poudre pour l'eau sèche, contenant une composition d'huile et de graisse en poudre qui remplit la condition (a). (a) Une composition d'huile et de graisse en poudre contenant un constituant d'huile et de graisse comprenant au moins un type de triglycéride de type XXX présentant un résidu X d'acide gras en Cx dans les positions de glycérine 1–3. Le nombre de carbones x est un nombre entier choisi parmi 10–22. Le constituant d'huile et de graisse comprend une huile et une graisse de type ß. Les particules de composition d'huile et de graisse en poudre sont en forme de plaque et la composition d'huile et de graisse en poudre présente une densité apparente en vrac de 0,05-0,6 g/cm3.
PCT/JP2018/011538 2017-03-23 2018-03-22 Composition d'huile et de graisse en poudre pour eau sèche WO2018174202A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271390A (en) * 1975-12-09 1977-06-14 Dynamit Nobel Ag Coagulation accelerator and coagulation acceleration of fats or fat containing drugs
JP2003335618A (ja) * 2002-05-14 2003-11-25 Kose Corp 含水粉末化粧料
JP2004300057A (ja) * 2003-03-31 2004-10-28 Kose Corp 含水粉末化粧料
WO2016013582A1 (fr) * 2014-07-22 2016-01-28 日清オイリオグループ株式会社 Composition d'huile/graisse en poudre, aliment comprenant ladite composition d'huile/graisse en poudre et leurs procédés de production

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271390A (en) * 1975-12-09 1977-06-14 Dynamit Nobel Ag Coagulation accelerator and coagulation acceleration of fats or fat containing drugs
JP2003335618A (ja) * 2002-05-14 2003-11-25 Kose Corp 含水粉末化粧料
JP2004300057A (ja) * 2003-03-31 2004-10-28 Kose Corp 含水粉末化粧料
WO2016013582A1 (fr) * 2014-07-22 2016-01-28 日清オイリオグループ株式会社 Composition d'huile/graisse en poudre, aliment comprenant ladite composition d'huile/graisse en poudre et leurs procédés de production

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