Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
  • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
  • B01J13/02—Making microcapsules or microballoons
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
  • A23P10/00—Shaping or working of foodstuffs characterised by the products
  • A23P10/30—Encapsulation of particles, e.g. foodstuff additives
• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
  • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
  • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
  • Y10T428/2991—Coated

Definitions

• the present invention relates to a capsule having excellent heat resistance and a method for producing the capsule.
• Agar is a processed seaweed and is not a raw material derived from animals. However, it does not have sufficient heat resistance to withstand high-temperature sterilization conditions of 80 ° C or more, and has a drawback that it is inferior in processability of foods. In addition, agar gel is brittle and inferior in elasticity, so it is used as a capsule-coated matrix. Physical strength is not enough.
• Japanese Patent Application Laid-Open No. 2003-79353 proposes a capsule for beverages having excellent heat resistance using gellan gum, a polysaccharide, as a coating component of a microcapsule.
• gellan gum a polysaccharide
• ionic bonds such as calcium ions accompany the formation of the film of sodium alginate.
• Jielan gum like agar, has a brittle and friable gel characteristic with no shine, so it is suitable for products such as jelly, etc. It has the drawbacks of low strength, fragility during production of force capsules, and poor yield.
• An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a capsule having excellent heat resistance containing a non-proteinaceous capsule-coated matrix and a method for producing the capsule. It is in.
• the present invention provides a heat-resistant capsule comprising a forcepsel coating and a capsule filling liquid contained therein, wherein force capsules are used as a matrix for the capsule coating of the capsule coating. .
• the present invention also provides a capsule in which the capsule filling liquid is encapsulated in the capsule coating via a liquid material that separates the capsule filling liquid from the capsule coating.
• a liquid material that separates the capsule filling liquid from the capsule coating.
• curdlan is 80% by weight based on the total weight of the force-coated cellulose matrix. It is preferable to include the above amount.
• the present invention uses a first nozzle, a second nozzle, and a third nozzle, which are arranged concentrically and have sequentially increasing radii, to supply a force capsule filling liquid from the first nozzle and a force capsule filling liquid from the second nozzle.
• a method for producing a heat-resistant capsule comprising simultaneously extruding a coating liquid and an oil liquid from a third nozzle to form a composite jet, and discharging the composite jet into a heated oil liquid.
• An object of the present invention is to provide a production method including a curdlan, wherein the temperature of the oil liquid extruded from the third nozzle is lower than that of the heated oil liquid.
• capsule coating matrix refers to a substrate on which a capsule coating is formed. However, the “capsule coating matrix” mentioned here does not include water contained in the capsule coating.
• jet refers to an extrudate in which a fluid is continuously extruded
• composite jet refers to a jet having a plurality of phases (layers). More effective effects than conventional technology
• a capsule containing a non-protein-based capsule-coated matrix and having excellent heat resistance This capsule can be manufactured without using animal-derived gelatin.
• the capsule of the present invention has higher heat resistance and can withstand dissolution or destruction of the capsule which may be caused by heat treatment in the manufacturing and cooking process of liquid foods such as beverages, processed foods such as retort foods, and baked confectionery.
• FIG. 1 is a schematic sectional view of a capsule (two-layer structure) of the present invention.
• FIG. 2 is a schematic cross-sectional view of the capsule (three-layer structure) of the present invention.
• FIG. 3 is a schematic longitudinal sectional view showing one embodiment of the nozzle portion of the capsule (two-layer structure) manufacturing apparatus of the present invention.
• FIG. 4 is a schematic longitudinal sectional view showing one embodiment of a nozzle portion of the capsule (three-layer structure) manufacturing apparatus of the present invention.
• curdlan is used as a capsule coating matrix.
• Curdlan is a microorganism
• Curdlan has two types of gel-forming ability: a thermoreversible low-set gel and a thermo-irreversible high-set gel.
• Mouth-seat gel is a thermoreversible gel formed when an aqueous dispersion of force-doran is heated to about 55 to 65 ° C and cooled to room temperature or lower, and when heated again to about 60 ° C. The gel returns to its original dispersed state.
• High-set gel is a thermo-irreversible gel formed when an aqueous dispersion of force-doran is heated to about 80 ° C or higher. High set gel has an excellent property that it is extremely stable against temperature changes.
• a new nozzle (outermost nozzle) is provided further outside the outer nozzle for extruding the capsule coating solution containing force drane.
• the capsule (10) of the present invention shown in Fig. 1 comprises a capsule coating (2) and a capsule coating (2). It consists of a capsule filling liquid (1) contained therein.
• the capsule (20) of the present invention shown in FIG. 2 comprises a capsule filling liquid (11), a liquid material (12) for separating the capsule filling liquid and the capsule coating, and a capsule coating (13). .
• the force doran may be contained in the force capsule coating as a force capsule coating matrix, and a capsule coating matrix usually used for manufacturing capsules may be used in combination.
• Such coating matrices include, for example, water-soluble polyhydric alcohols, polysaccharides, dextrins, starches and their derivatives.
• the present invention makes it possible to provide a force capsule containing a non-protein-based capsule-coated matrix. However, this does not exclude the use of a protein-based capsule as a force-coated matrix, and it does not exclude the use of gelatin or the like. It is also possible to produce a force capsule with excellent heat resistance by using a protein-based material in combination.
• the curdlan is contained in the capsule coating matrix constituting the capsule coating in an amount of 80% by weight or more, preferably 85 to 100% by weight, and more preferably 90 to 99.9% by weight. If the capsule-coated matrix contains less than 80% by weight of force-doran, the resulting capsules may not have the desired heat resistance or physical strength.
• the capsule coating of the present invention may further contain a viscosity modifier described below.
• the capsule coating of the present invention may further include additives such as taste components (such as sweeteners, sour or bitter agents), plasticizers, preservatives, pigments and flavors.
• the filling liquid encapsulated in the capsule of the present invention is not particularly limited, and includes a lipophilic or hydrophilic liquid substance, a suspension of these liquid substances and a powder insoluble therein, or a mixed liquid of these liquid substances.
• Can be These filling liquids can contain, for example, various lipophilic or hydrophilic active ingredients contained in ordinary functional foods and functional drinks, for example, various vitamins, minerals, flavors, extracts and the like.
• the hydrophilic liquid include water (including purified water and ion-exchanged water), water-soluble alcohol, polyhydric alcohol (such as glycerin, mannitol, and sorbitol), and mixtures thereof.
• lipophilic liquids examples include glycerin fatty acid ester, sucrose fatty acid ester, medium-chain fatty acid triglyceride (MCT), lauric acid, palmitin Acids, stearic acid, myristic acid, oleic acid, behenic acid, vegetable oils (such as coconut oil, castor oil, safflower oil, sesame oil, sesame oil, grape seed oil, grape seed oil, and mixtures thereof) and mixtures thereof And so on.
• MCT medium-chain fatty acid triglyceride
• lauric acid palmitin Acids
• palmitin Acids stearic acid
• myristic acid myristic acid
• oleic acid behenic acid
• vegetable oils such as coconut oil, castor oil, safflower oil, sesame oil, sesame oil, grape seed oil, grape seed oil, and mixtures thereof
• the capsule filling liquid is a lipophilic liquid substance or a suspension of a lipophilic liquid substance and a powder insoluble therein
• the capsule structure is changed to a capsule filling liquid as shown in Fig. 1.
• the capsule filling liquid is a hydrophilic liquid substance or a suspension of a hydrophilic liquid substance and a powder insoluble in the liquid
• the structure of the capsule is changed as shown in FIG. )
• a three-layer structure composed of a liquid material (12) for separating the capsule filling liquid and the capsule coating and a capsule coating (13) can be provided.
• the liquid material to be sequestered includes, for example, the lipophilic liquid material described above.
• the liquid substance to be sequestered may contain the above-mentioned active ingredients, flavors and the like.
• the capsules according to the present invention are particularly suitable for oral ingestion such as foods, beverages, luxury goods and pharmaceuticals due to their high safety, heat resistance and stability.
• products provided for industrial use for example, various industrial products (such as two-component adhesives), samples, agricultural and horticultural drugs, cosmetics, and pharmaceutical products.
• the size of the capsule, the type of the capsule filling liquid, and the like can be appropriately selected depending on the purpose of use and intended use.
• Examples of the method for producing the capsule of the present invention include, for example, JP-A-58-222 and JP-A-59-131355 (this is described in US Pat.
• a capsinole coating liquid, a capsule filling liquid, and a liquid substance for separating the capsule filling liquid and the capsule coating as necessary are prepared in advance.
• the capsule coating liquid used for preparing the capsule coating of the present invention is obtained by dispersing force doran and other above-mentioned capsule coating matrices as necessary in water (including purified water and ion-exchanged water). To be prepared.
• a viscosity adjusting agent By adding a viscosity adjusting agent to the dispersion, the viscosity of the capsule filling liquid can be adjusted to a range suitable for the production of capsules. Examples of such a viscosity adjusting agent include polysaccharides derived from seaweed, and polysaccharides derived from plants and plant seeds.
• seaweed-derived polysaccharides include alginic acid and its derivatives, agar, carrageenan, etc.
• Plant and plant seed-derived polysaccharides include pectin, glucomannan, gum arabic, tragacanth gum, karaya gum, guar gum, and mouth.
• polysaccharides derived from microorganisms include xanthan gum, pullulan, and dielane gum
• fibrous mucilage include methylcellulose, carboxymethylcellulose, crystalline cellulose, etc. It is not necessarily limited to these.
• the force doran is contained in the capsule coating solution in an amount of 0.1% to 20% by weight, preferably 1 to 10% by weight, and more preferably 3 to 6% by weight based on the total weight of the capsule coating solution. . If the force doran is contained in an amount exceeding 20% by weight, the capsule coating liquid will have a high viscosity, making it difficult to form capsules. In addition, when the content is less than 0.1% by weight, the physical strength of the formed capsule is reduced, and it is difficult to use the capsule.
• the viscosity modifier is contained in the capsule coating liquid as required.
• the viscosity modifier is contained in an amount of 0 to 15 parts by weight, preferably 0.1 to 0 parts by weight, based on 100 parts by weight of the capsule coating matrix.
• the viscosity of the forcepsel coating fluid is 0 ° C; ⁇ 55 ° C in the temperature range of 5111111 & 3 ⁇ 300111 && 3, preferably 1011110 £ 1 '3 ⁇ 200111 &&-
• the viscosity of the forcepsel filling liquid is used at 10 mPa's to 300 mPa ⁇ s in the temperature range of 0 ° C to 55 ° C.
• the viscosity of the liquid separating the capsule filling liquid and the capsule coating is 0 ° C! Used at 10mPa's to 300mPa's in the temperature range of ⁇ 55 ° C.
• the method for producing a capsule having a two-layer structure uses a concentric triple nozzle to transfer a capsule filling liquid (21) to a first nozzle (22) and a capsule coating liquid (23).
• a capsule filling liquid (21) is supplied to the second nozzle (24), respectively, and are simultaneously extruded from the tip of each annular hole, and the two-phase composite jet is discharged into the flowing down heated oil liquid (27).
• a capsule (10) having a two-layer structure can be obtained.
• the oil liquid (25) having a temperature lower than the temperature of the heated oil liquid is transferred to the third nozzle.
• the oil is supplied to the nozzle (26) and is extruded at the same time as the extrusion of the composite jet, so that the capsule coating liquid and the heated oil liquid come into contact at the tip of the nozzle and rapidly gelate. Can be prevented.
• the heated oil liquid is typically at least 80 ° C, preferably 85 ° C to 120 ° C, more preferably 90 ° C to 100 ° C.
• the oil solution include medium-chain fatty acid triglyceride (MCT), vegetable oils (coconut oil, castor oil, safflower oil, sesame oil, nayu oil, grape seed oil, and mixtures thereof), liquid paraffin and the like. Mixtures can be used.
• the temperature of the oil liquid extruded from the third nozzle is lower than the above heated oil liquid, typically 70 ° C or less, preferably 20-65 ° C; and more preferably 25-65 ° C. 40 ° C.
• the above heated oil liquid typically 70 ° C or less, preferably 20-65 ° C; and more preferably 25-65 ° C. 40 ° C.
• a seamless capsule having the capsule filling liquid encapsulated in the capsule coating liquid is formed. Further, the force capsule coating solution is heated in the heated oil solution, and the force doran in the capsule coating solution is gelled to form a heat-resistant high-set gel, whereby a desired capsule can be obtained.
• This two-layered capsule can be formed within a range of 0.1 to 20 mm in diameter, preferably 0.3 to 8 mm in diameter, and a coverage of 1 to 90%, preferably 10 to 50%.
• the coating ratio is the ratio of the weight of the force capsule to the weight of the force capsule.
• the method of manufacturing a capsule having a three-layer structure includes the following steps: a concentric quadruple nozzle is used to transfer a capsule filling liquid (31) to a first nozzle (32); To the second nozzle (34), and the liquid coating fluid (35) to the third nozzle (36), and simultaneously extrude from the tip of each annular hole, Obtaining a three-layer capsule (20) according to the present invention by discharging the composite jet into a flowing, heated oil liquid (27) Can do.
• an oil liquid (37) having a temperature lower than the temperature of the heated oil liquid is supplied to the fourth nozzle (38), and this oil liquid is extruded simultaneously with the extrusion of the composite jet.
• the oil liquid extruded from the fourth nozzle must be the same as the oil liquid supplied to the third nozzle when manufacturing a capsule using a concentric triple nozzle as shown in Fig. 3. Can be.
• the three-layered capsule of the present invention has a diameter of l to 20 mm, preferably 0.3 to 8 mm, and a coverage of 1 to 90%, preferably 10 to 50%. can do.
• a suitable jet is applied to the composite jet flow by using a vibration means to improve the cutting of the composite jet, to make the particle size uniform, and to perform encapsulation. It can be easier.
• the capsule of the present invention is not limited to a two-layer or three-layer structure, and may have a four-layer or more structure.
• the capsule may have a multilayer structure, and the capsule filling liquid may be stably included in the capsule. These can be manufactured in the same manner as in the above method using multiple nozzles as required.
• the capsule of the present invention is usually used in a state where water is contained in the capsule coat at 80% by weight or more.
• the capsule of the present invention can be washed with water, heat-sterilized, and heat-sterilized as necessary depending on the use conditions.
• the capsule of the present invention can be dried by a conventional drying method to obtain a heat-resistant dried capsule.
• Vitamin E was mixed with medium-chain fatty acid triglyceride (MCT) to prepare a capsule filling solution, and a seamless capsule was prepared in which the contents were wrapped in a capsule coating using curdlan as a coating matrix.
• MCT medium-chain fatty acid triglyceride
• a seamless capsule was prepared in which the contents were wrapped in a capsule coating using curdlan as a coating matrix.
• vitamin E acetic acid d 1—
• MCT medium chain fatty acid triglyceride
• curdlan 0.1 part by weight of xanthan gum as a viscosity modifier
• 95.9 parts by weight of purified water were uniformly mixed to prepare a liquid doran dispersion, which was used as a capsule coating liquid.
• a capsule filling liquid was prepared by mixing 20 parts by weight of MCT (medium-chain fatty acid triglyceride) with 80 parts by weight of vitamin E (dl-hydroxytocopherol acetate) to make 100 parts by weight. Next, 2 parts by weight of agar and 98 parts by weight of purified water were mixed and dissolved by heating at 100 ° C. to obtain a capsule coating liquid. Using a concentric double nozzle, the capsule filling liquid is simultaneously extruded from the inner nozzle (No. 1 nozzle), and the capsule coating liquid is extruded from the outer nozzle (No. 2 nozzle) into 10 ° C vegetable oil (MCT) flowing down. Thus, a seamless capsule having a particle size of 2 mm and a two-layer structure was obtained.
• MCT medium-chain fatty acid triglyceride
• vitamin E dl-hydroxytocopherol acetate
• Example 2 As in Example 1, these capsules were dispersed and immersed in purified water, an aqueous solution of citric acid (pH 3) and an aqueous solution of NaOH (pH 11) and sealed in glass bottles, and these glass bottles were autoclaved. Sterilization was performed at 121 ° C for 15 minutes. The state of the capsule after the treatment was evaluated. The results are shown in Table 1. Cuenoic acid aqueous solution (PH3) NaOH aqueous solution (pHll) Sample Purified water immersion
• the capsule of the present invention is excellent in heat resistance, and is also excellent in acid resistance and alkali resistance. In addition, it has excellent elasticity because it has sufficient elasticity. In addition, it has excellent freezing resistance and transparency, which are the characteristics of curdlan. Industrial potential
• the capsule of the present invention is a capsule having a non-protein coating excellent in heat resistance and excellent in physical strength, transparency, acid resistance, alkali resistance and freezing resistance.
• the capsule of the present invention containing a capsule filling liquid can be added to liquid foods such as beverages, processed foods such as retort foods, and baked confectionery.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Dispersion Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Polymers & Plastics (AREA)
• General Preparation And Processing Of Foods (AREA)
• Jellies, Jams, And Syrups (AREA)
• Medicinal Preparation (AREA)
• Formation And Processing Of Food Products (AREA)

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Citations (8)

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• 2003
  • 2003-08-01 JP JP2003284952A patent/JP3688279B2/ja not_active Expired - Fee Related
• 2004
  • 2004-06-14 TW TW093117048A patent/TW200507824A/zh not_active IP Right Cessation
  • 2004-07-22 CA CA2533471A patent/CA2533471C/en not_active Expired - Fee Related
  • 2004-07-22 AU AU2004261092A patent/AU2004261092B2/en not_active Ceased
  • 2004-07-22 US US10/565,911 patent/US7842384B2/en active Active
  • 2004-07-22 EP EP04748027.2A patent/EP1649763B1/en not_active Expired - Lifetime
  • 2004-07-22 KR KR1020067002274A patent/KR101114607B1/ko not_active Expired - Fee Related
  • 2004-07-22 CN CNB2004800280721A patent/CN100506093C/zh not_active Expired - Fee Related
  • 2004-07-22 WO PCT/JP2004/010762 patent/WO2005011411A1/ja not_active Ceased

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