CN112167598A - Preparation method of microcapsule particle slow-release coating essence - Google Patents
Preparation method of microcapsule particle slow-release coating essence Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 64
- 239000011259 mixed solution Substances 0.000 claims abstract description 51
- 238000010008 shearing Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 25
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- 239000001785 acacia senegal l. willd gum Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 11
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 66
- 239000000839 emulsion Substances 0.000 claims description 40
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- 229920000881 Modified starch Polymers 0.000 claims description 18
- 239000004368 Modified starch Substances 0.000 claims description 18
- 235000019426 modified starch Nutrition 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
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- 239000000049 pigment Substances 0.000 claims description 8
- 238000012216 screening Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- GUOCOOQWZHQBJI-UHFFFAOYSA-N 4-oct-7-enoxy-4-oxobutanoic acid Chemical compound OC(=O)CCC(=O)OCCCCCCC=C GUOCOOQWZHQBJI-UHFFFAOYSA-N 0.000 claims description 7
- 229940080313 sodium starch Drugs 0.000 claims description 7
- 229920000084 Gum arabic Polymers 0.000 claims description 4
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- 239000000205 acacia gum Substances 0.000 claims description 4
- 239000000796 flavoring agent Substances 0.000 claims description 4
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- 229940032147 starch Drugs 0.000 claims description 4
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- 239000008107 starch Substances 0.000 claims description 4
- 244000215068 Acacia senegal Species 0.000 claims description 3
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- 239000007788 liquid Substances 0.000 abstract description 11
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- 239000002304 perfume Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
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- 244000269722 Thea sinensis Species 0.000 description 1
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- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
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- 229910052956 cinnabar Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
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- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
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- 229920001277 pectin Polymers 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229960000292 pectin Drugs 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 235000019710 soybean protein Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 235000021119 whey protein Nutrition 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000005019 zein Substances 0.000 description 1
- 229940093612 zein Drugs 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/20—Synthetic spices, flavouring agents or condiments
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/70—Fixation, conservation, or encapsulation of flavouring agents
-
- 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
- A23P10/40—Shaping or working of foodstuffs characterised by the products free-flowing powder or instant powder, i.e. powder which is reconstituted rapidly when liquid is added
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Seasonings (AREA)
- Cosmetics (AREA)
- General Preparation And Processing Of Foods (AREA)
Abstract
The invention relates to the technical field of essence and spice treatment, in particular to a preparation method of microcapsule particle slow-release coating essence. According to the invention, by improving the granularity of the solid in the preparation process and adopting the processes of solid multi-dimensional mixing, solid-liquid mixing, emulsifying, shearing and the like, the temperature in the embedding process is low, the fragrance loss is less, and the fragrance among batches is more stable, so that the product realizes the characteristics of stable fragrance, high embedding rate, uniform particle size and good fluidity. According to the invention, the mixture is prepared into the superfine powder with the particle size of below 10 microns, so that the mixed material in the formula has better solubility, particularly, the Arabic gum is more fully dissolved, the content of the superfine powder in the mixed solution at 45-60 ℃ can reach 75%, and meanwhile, a spray gun of the fluidized bed adopts a three-head two-fluid nozzle, so that the low-temperature embedding process at 45-50 ℃ can be realized, the fragrance loss is reduced, the stable fragrance among batches is realized, and the characteristics of uniform particle size and good fluidity are realized.
Description
Technical Field
The invention relates to the technical field of essence and spice treatment, in particular to a preparation method of microcapsule particle slow-release coating essence.
Background
The edible essence is edible fragrant substances with natural flavors of melons and fruits, and can endow food raw materials with fragrance, make up for the deficiency of the fragrance in food, improve and optimize the flavor of the food, so that the edible essence is widely applied to the modern food industry. The essence can be divided into top note, body note and base note according to the sense of olfactory organ. The water-soluble essence is prepared by blending natural perfume and synthetic perfume, and dissolving with ethanol water solution (or other water-soluble solvent such as propylene glycol), and is mainly used for soft beverage, wine, etc.
The common essences are mostly composed of substances such as alcohol, aldehyde, ketone, acid, ester and the like, the substances have lower boiling points, and many substances contain unsaturated bonds, so that the substances are sensitive to damp and heat, easy to volatilize, easy to oxidize, easy to react with other components and the like. Common microcapsule-embedded essence in the market is prepared by using starch, starch syrup dry powder, maltodextrin, chitosan, micromolecular saccharides, sodium alginate, various vegetable gums (such as arabic gum, carrageenan, xanthan gum, pectin and the like), proteins (such as soybean protein, gelatin, zein, whey protein and the like), wax and lipid substances (such as beeswax, paraffin, grease, liposome and the like) as microcapsule wall materials and preparing the microcapsule-embedded essence into microcapsule powder by a spray drying method. In recent years, many patents and articles for embedding essence in various microcapsule wall materials are reported, and mainly focus on improving the slow release property, embedding rate and the like.
Because the microcapsule powder embedded essence has higher mesh number, poorer liquidity, easy moisture absorption and lighter specific gravity, the microcapsule powder embedded essence is difficult to be suitable for granular food, food with higher water content, food with strong liquidity and tea bag products, and simultaneously the slow release effect of the essence fragrance is also influenced. Because the temperature in the spray drying process is usually higher, the loss of the fragrance of the essence is larger, the fragrance of the product is unstable, and the fragrance of the product is greatly different among batches.
Disclosure of Invention
The invention provides a preparation method of microcapsule particle slow-release coating essence, which aims at solving the problems of high temperature, large essence fragrance loss, unstable product fragrance, poor particle uniformity and the like in the existing preparation process of microcapsule powder embedded essence and has the advantages of low temperature, less fragrance loss, stable fragrance, uniform essence particle size, good fluidity and good slow-release effect in the embedding process.
In order to achieve the purpose, the invention adopts the following technical scheme.
A preparation method of microcapsule particle slow-release coating essence comprises the following steps:
s1, respectively weighing Arabic gum, edible modified starch and maltodextrin according to the weight ratio, and uniformly mixing to obtain a mixture; the weight ratio of the Arabic gum to the edible modified starch to the maltodextrin is 1 (20-30) to (45-55).
Preferably, the weight ratio of the gum arabic to the edible modified starch to the maltodextrin in the step S1 is 1:2: 50.
Preferably, the gum arabic, the edible modified starch and the maltodextrin are uniformly mixed by using a three-dimensional mixer, and the mixing time is more than or equal to 45 min.
S2, crushing the mixture to obtain superfine powder with the particle size of below 10 mu m.
Preferably, the mix is crushed using a jet mill.
S3, dissolving the superfine powder in water at 45-60 ℃ according to the concentration of 75% by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 10-15% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.1-0.5 wt%, antioxidant 0.02-0.03 wt% and essence 1-5 wt% into the total mixed solution, and shearing the mixed solution with a high-speed shearing machine until the particle size of the mixed solution is less than 5 μm to obtain emulsion.
Preferably, the mixed solution is sheared at a speed of 15000-.
Preferably, the essence is oil-soluble essence.
More preferably, the essence is oil-soluble fruity essence.
S4, transferring the emulsion to a material tank connected with the fluidized bed within 30min after the shearing of the high-speed shearing machine in the step S3 is stopped, and continuously stirring the emulsion in the material tank.
Preferably, the emulsion is stored in the material tank at the temperature of 35 ℃.
S5, setting the air inlet temperature of the fluidized bed to be 85-90 ℃; putting 40-60 mesh citric acid particles into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain a coating essence material; the initial feed rate was 700 mL/min; the temperature in the fluidized bed is controlled between 45 ℃ and 50 ℃ by the feeding amount in the feeding process, and the maximum feeding amount is less than or equal to 1500 mL/min.
Preferably, the maximum flow rate of the peristaltic pump of the fluidized bed is greater than or equal to 2000 mL/min.
Preferably, the spray guns of the fluidized bed use three-head two-fluid spray heads.
More preferably, the three-head two-fluid spray head is selected to be at a higher position.
S6, naturally cooling the coating essence materials to room temperature, screening, and granulating particles larger than 12 meshes to obtain the microcapsule particle slow-release coating essence.
Preferably, granules larger than 12 meshes are granulated with 12 meshes by using a swing granulator.
Preferably, step S5 is followed by the following steps: after the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by improving the granularity of the solid in the preparation process and adopting the processes of solid multi-dimensional mixing, solid-liquid mixing, emulsifying, shearing and the like, the temperature in the embedding process is low, the fragrance loss is less, and the fragrance among batches is more stable, so that the product realizes the characteristics of stable fragrance, high embedding rate, good slow release effect, uniform granularity and good fluidity.
The invention prepares the mixture into the superfine powder with the granularity of less than 10 mu m, so that the mixture in the formula has better solubility, particularly, the Arabic gum is more fully dissolved, the content of the superfine powder in the mixed solution at 45-60 ℃ can reach 75 percent, and meanwhile, a spray gun of the fluidized bed adopts a three-head two-fluid spray head, so that the low-temperature embedding process at 45-50 ℃ can be realized, the fragrance loss is reduced, the stable fragrance among batches is realized, and the characteristics of uniform granularity and good fluidity are realized.
The microcapsule particle slow-release coating essence prepared by the method takes citric acid as a core material and the essence is loaded on a wall material, the content of the citric acid in the core material is 45-50%, the embedding rate is more than 98%, and the microcapsule particle slow-release coating essence has the advantages of good slow-release effect, stable fragrance, good particle uniformity and good fluidity.
Detailed Description
In order to more fully understand the technical contents of the present invention, the technical solutions of the present invention will be further described and illustrated with reference to the following specific embodiments.
Example 1
The embodiment provides a preparation method of a microcapsule particle slow-release coating essence, which takes citric acid as a core material, and the essence is loaded in a wall material.
The preparation method comprises the following steps:
(1) respectively weighing Arabic gum, edible modified starch (common name: sodium starch octenyl succinate; product model: CAPSUL), and maltodextrin at a weight ratio of 1:20: 50.
Uniformly mixing the Arabic gum, the edible modified starch and the maltodextrin by using a three-dimensional mixer for more than or equal to 45min to obtain a mixture.
(2) And (3) crushing the mixture into superfine powder with the particle size of below 10 microns by using an airflow crusher.
(3) Dissolving the superfine powder in water at 45 ℃ according to the concentration of 75 percent by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 15% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.5 wt%, antioxidant 0.03 wt% and oil soluble strawberry essence 5 wt% into the mixed liquid, and shearing the mixed liquid at 20000r/min with a high speed shearing machine until the particle size of the mixed liquid is less than 5 μm to obtain emulsion.
(4) And (4) within 30min after the shearing of the high-speed shearing machine in the step (3) is stopped, transferring the emulsion into a material tank for connecting with the fluidized bed, keeping the temperature of the material tank at 35 ℃, namely keeping the emulsion in the material tank at the temperature of 35 ℃, and continuously stirring the emulsion in the material tank.
(5) And (3) putting the citric acid particles of 40-60 meshes into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain the coating essence material.
The maximum flow of a peristaltic pump of the fluidized bed is 2000mL/min, and a spray gun of the fluidized bed adopts a three-head double-fluid spray head and selects a higher position. The inlet air temperature of the fluidized bed is kept between 85 ℃ and 90 ℃, and the initial feeding speed is set to be 700 mL/min.
The temperature in the fluidized bed is controlled between 45 ℃ and 50 ℃ by the feeding amount in the feeding process, and the maximum feeding amount is not more than 1500 mL/min.
(6) After the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
(7) And naturally cooling the coating essence materials to room temperature, screening, and granulating granules with the granularity of more than 12 meshes by using a swing type granulator to obtain the microcapsule granule slow-release coating essence.
In the coating process of the embodiment, the temperature in the fluidized bed is 45-50 ℃, the temperature in the coating process is lower, the loss of the fragrance of the essence is less, and the stability of the fragrance of the product is good.
The embedding rate of the microcapsule particle slow-release coating essence prepared in the embodiment is determined by referring to a comparison analysis [ J ] of 4 physical methods for preparing vanilla essential oil microcapsules such as cinnabar, Yangjun, Xufei and the like, 2017, 38(21): 106-. And observing and detecting the particle condition by a particle size analyzer, and observing the oil drop distribution condition on the coating surface by an electron microscope.
100% of the microcapsule particle slow-release coating essence prepared by the embodiment passes through a 12-mesh sieve, the particle uniformity is good, the fluidity is good, oil drops on the surface of a coating are fine and are uniformly distributed, the content of citric acid is 45%, the embedding rate is 99.1%, and the slow-release effect is good.
Example 2
The embodiment provides a preparation method of a microcapsule particle slow-release coating essence, which takes citric acid as a core material, and the essence is loaded in a wall material.
The preparation method comprises the following steps:
(1) respectively weighing Arabic gum, edible modified starch (common name: sodium starch octenyl succinate; product model: CAPSUL), and maltodextrin at a weight ratio of 1:30: 55.
Uniformly mixing the Arabic gum, the edible modified starch and the maltodextrin by using a three-dimensional mixer for more than or equal to 45min to obtain a mixture.
(2) And (3) crushing the mixture into superfine powder with the particle size of below 10 microns by using an airflow crusher.
(3) Dissolving the superfine powder in water at 60 ℃ according to the concentration of 75 percent by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 10% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.3 wt%, antioxidant 0.02 wt% and oil soluble strawberry essence 1 wt% into the total mixed solution, and shearing the mixed solution at 15000r/min with a high speed shearing machine until the particle diameter of the mixed solution is less than 5 μm to obtain emulsion.
(4) And (4) within 30min after the shearing of the high-speed shearing machine in the step (3) is stopped, transferring the emulsion into a material tank for connecting with the fluidized bed, keeping the temperature of the material tank at 35 ℃, namely keeping the emulsion in the material tank at the temperature of 35 ℃, and continuously stirring the emulsion in the material tank.
(5) And (3) putting the citric acid particles of 40-60 meshes into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain the coating essence material.
The maximum flow of a peristaltic pump of the fluidized bed is 2000mL/min, and a spray gun of the fluidized bed adopts a three-head double-fluid spray head and selects a higher position. The inlet air temperature of the fluidized bed is kept between 85 ℃ and 90 ℃, and the initial feeding speed is set to be 700 mL/min.
The temperature in the fluidized bed is controlled between 45 ℃ and 50 ℃ by the feeding amount in the feeding process, and the maximum feeding amount is not more than 1500 mL/min.
(6) After the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
(7) And naturally cooling the coating essence materials to room temperature, screening, and granulating granules with the granularity of more than 12 meshes by using a swing type granulator to obtain the microcapsule granule slow-release coating essence.
In the coating process of the embodiment, the temperature in the fluidized bed is 45-50 ℃, the temperature in the coating process is lower, the loss of the fragrance of the essence is less, and the stability of the fragrance of the product is good.
For the microcapsule granule controlled-release coated essence prepared in this example, the embedding rate, the granule condition and the oil droplet distribution were measured by the same method as in example 1. 100% of the microcapsule particle slow-release coating essence prepared by the embodiment passes through a 12-mesh sieve, the particle uniformity is good, the fluidity is good, oil drops on the surface of a coating are fine and are uniformly distributed, the content of citric acid is 47%, the embedding rate is 98.9%, and the slow-release effect is good.
Example 3
The embodiment provides a preparation method of a microcapsule particle slow-release coating essence, which takes citric acid as a core material, and the essence is loaded in a wall material.
The preparation method comprises the following steps:
(1) respectively weighing Arabic gum, edible modified starch (common name: sodium starch octenyl succinate; product model: CAPSUL), and maltodextrin at a weight ratio of 1:25: 45.
Uniformly mixing the Arabic gum, the edible modified starch and the maltodextrin by using a three-dimensional mixer for more than or equal to 45min to obtain a mixture.
(2) And (3) crushing the mixture into superfine powder with the particle size of below 10 microns by using an airflow crusher.
(3) Dissolving the superfine powder in water at 60 ℃ according to the concentration of 75 percent by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 15% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.3 wt%, antioxidant 0.03 wt% and oil soluble strawberry essence 5 wt% into the mixed solution, and shearing the mixed solution at 15000r/min with a high speed shearing machine until the particle size of the mixed solution is less than 5 μm to obtain emulsion.
(4) And (4) within 30min after the shearing of the high-speed shearing machine in the step (3) is stopped, transferring the emulsion into a material tank for connecting with the fluidized bed, keeping the temperature of the material tank at 35 ℃, namely keeping the emulsion in the material tank at the temperature of 35 ℃, and continuously stirring the emulsion in the material tank.
(5) And (3) putting the citric acid particles of 40-60 meshes into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain the coating essence material.
The maximum flow of a peristaltic pump of the fluidized bed is 2000mL/min, and a spray gun of the fluidized bed adopts a three-head double-fluid spray head and selects a higher position. The inlet air temperature of the fluidized bed is kept between 85 ℃ and 90 ℃, and the initial feeding speed is set to be 700 mL/min.
The temperature in the fluidized bed is controlled between 45 ℃ and 50 ℃ by the feeding amount in the feeding process, and the maximum feeding amount is not more than 1500 mL/min.
(6) After the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
(7) And naturally cooling the coating essence materials to room temperature, screening, and granulating granules with the granularity of more than 12 meshes by using a swing type granulator to obtain the microcapsule granule slow-release coating essence.
In the coating process of the embodiment, the temperature in the fluidized bed is 45-50 ℃, the temperature in the coating process is lower, the loss of the fragrance of the essence is less, and the stability of the fragrance of the product is good.
For the microcapsule granule controlled-release coated essence prepared in this example, the embedding rate, the granule condition and the oil droplet distribution were measured by the same method as in example 1. 100% of the microcapsule particle slow-release coating essence prepared by the embodiment passes through a 12-mesh sieve, the particle uniformity is good, the fluidity is good, oil drops on the surface of the coating are fine and are uniformly distributed, the content of citric acid is 50%, the embedding rate is 98.0%, and the slow-release effect is good.
Example 4
The embodiment provides a preparation method of a microcapsule particle slow-release coating essence, which takes citric acid as a core material, and the essence is loaded in a wall material.
The preparation method comprises the following steps:
(1) respectively weighing Arabic gum, edible modified starch (common name: sodium starch octenyl succinate; product model: CAPSUL), and maltodextrin at a weight ratio of 1:25: 50.
Uniformly mixing the Arabic gum, the edible modified starch and the maltodextrin by using a three-dimensional mixer for more than or equal to 45min to obtain a mixture.
(2) And (3) crushing the mixture into superfine powder with the particle size of below 10 microns by using an airflow crusher.
(3) Dissolving the superfine powder in water at 60 ℃ according to the concentration of 75 percent by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 15% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.3 wt%, antioxidant 0.02 wt% and oil soluble strawberry essence 5 wt% into the mixed solution, and shearing the mixed solution at 15000r/min with a high speed shearing machine until the particle size of the mixed solution is less than 5 μm to obtain emulsion.
(4) And (4) within 30min after the shearing of the high-speed shearing machine in the step (3) is stopped, transferring the emulsion into a material tank for connecting with the fluidized bed, keeping the temperature of the material tank at 35 ℃, namely keeping the emulsion in the material tank at the temperature of 35 ℃, and continuously stirring the emulsion in the material tank.
(5) And (3) putting the citric acid particles of 40-60 meshes into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain the coating essence material.
The maximum flow of a peristaltic pump of the fluidized bed is 2000mL/min, and a spray gun of the fluidized bed adopts a three-head double-fluid spray head and selects a higher position. The inlet air temperature of the fluidized bed is kept between 85 ℃ and 90 ℃, and the initial feeding speed is set to be 700 mL/min.
The temperature in the fluidized bed is controlled between 45 ℃ and 50 ℃ by the feeding amount in the feeding process, and the maximum feeding amount is not more than 1500 mL/min.
(6) After the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
(7) And naturally cooling the coating essence materials to room temperature, screening, and granulating granules with the granularity of more than 12 meshes by using a swing type granulator to obtain the microcapsule granule slow-release coating essence.
In the coating process of the embodiment, the temperature in the fluidized bed is 45-50 ℃, the temperature in the coating process is lower, the loss of the fragrance of the essence is less, and the stability of the fragrance of the product is good.
For the microcapsule granule controlled-release coated essence prepared in this example, the embedding rate, the granule condition and the oil droplet distribution were measured by the same method as in example 1. 100% of the microcapsule particle slow-release coating essence prepared by the embodiment passes through a 12-mesh sieve, the particle uniformity is good, the fluidity is good, oil drops on the surface of a coating are fine and are uniformly distributed, the content of citric acid is 48%, the embedding rate is 98.7%, and the slow-release effect is good.
Example 5
The embodiment provides a preparation method of a microcapsule particle slow-release coating essence, which takes citric acid as a core material, and the essence is loaded in a wall material.
The preparation method comprises the following steps:
(1) respectively weighing Arabic gum, edible modified starch (common name: sodium starch octenyl succinate; product model: CAPSUL), and maltodextrin at a weight ratio of 1:20: 50.
Uniformly mixing the Arabic gum, the edible modified starch and the maltodextrin by using a three-dimensional mixer for more than or equal to 45min to obtain a mixture.
(2) And (3) crushing the mixture into superfine powder with the particle size of 80-100 mu m by using an airflow crusher.
(3) Dissolving the superfine powder in water at 60 ℃ according to the concentration of 75 percent by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 15% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.5 wt%, antioxidant 0.03 wt% and oil soluble strawberry essence 5 wt% into the mixed liquid, and shearing the mixed liquid at 20000r/min with a high speed shearing machine until the particle size of the mixed liquid is less than 5 μm to obtain emulsion.
(4) And (4) within 30min after the shearing of the high-speed shearing machine in the step (3) is stopped, transferring the emulsion into a material tank for connecting with the fluidized bed, keeping the temperature of the material tank at 35 ℃, namely keeping the emulsion in the material tank at the temperature of 35 ℃, and continuously stirring the emulsion in the material tank.
(5) And (3) putting the citric acid particles of 40-60 meshes into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain the coating essence material.
The maximum flow of a peristaltic pump of the fluidized bed is 2000mL/min, and a spray gun of the fluidized bed adopts a three-head double-fluid spray head and selects a higher position. The inlet air temperature of the fluidized bed is kept between 85 ℃ and 90 ℃, and the initial feeding speed is set to be 700 mL/min.
The temperature in the fluidized bed is controlled between 45 ℃ and 50 ℃ by the feeding amount in the feeding process, and the maximum feeding amount is not more than 1500 mL/min.
(6) After the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
(7) And naturally cooling the coating essence materials to room temperature, screening, and granulating granules with the granularity of more than 12 meshes by using a swing type granulator to obtain the microcapsule granule slow-release coating essence.
In the coating process of the embodiment, the temperature in the fluidized bed is 45-50 ℃, the temperature in the coating process is lower, and the loss of the fragrance of the essence is less.
For the microcapsule granule controlled-release coated essence prepared in this example, the embedding rate, the granule condition and the oil droplet distribution were measured by the same method as in example 1. The microcapsule particle slow-release coating essence prepared by the embodiment has the advantages that 100% of the microcapsule particle slow-release coating essence passes through a 12-mesh sieve, the particle uniformity is good, the fluidity is good, but oil drops on the coating surface are large, the distribution is not uniform, the content of citric acid is 40%, and the embedding rate is 95.3%.
Example 6
The embodiment provides a preparation method of a microcapsule particle slow-release coating essence, which takes citric acid as a core material, and the essence is loaded in a wall material.
The preparation method comprises the following steps:
(1) respectively weighing Arabic gum, edible modified starch (common name: sodium starch octenyl succinate; product model: CAPSUL), and maltodextrin at a weight ratio of 1:20: 50.
Uniformly mixing the Arabic gum, the edible modified starch and the maltodextrin by using a three-dimensional mixer for more than or equal to 45min to obtain a mixture.
(2) And (3) crushing the mixture into superfine powder with the particle size of 50-70 mu m by using an airflow crusher.
(3) Dissolving the superfine powder in water at 60 ℃ according to the concentration of 75 percent by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 15% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.5 wt%, antioxidant 0.03 wt% and oil soluble strawberry essence 5 wt% into the mixed liquid, and shearing the mixed liquid at 20000r/min with a high speed shearing machine until the particle size of the mixed liquid is less than 5 μm to obtain emulsion.
(4) And (4) within 30min after the shearing of the high-speed shearing machine in the step (3) is stopped, transferring the emulsion into a material tank for connecting with the fluidized bed, keeping the temperature of the material tank at 35 ℃, namely keeping the emulsion in the material tank at the temperature of 35 ℃, and continuously stirring the emulsion in the material tank.
(5) And (3) putting the citric acid particles of 40-60 meshes into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain the coating essence material.
The maximum flow of a peristaltic pump of the fluidized bed is 2000mL/min, and a spray gun of the fluidized bed adopts a three-head double-fluid spray head and selects a higher position. The inlet air temperature of the fluidized bed is kept between 85 ℃ and 90 ℃, and the initial feeding speed is set to be 700 mL/min.
The temperature in the fluidized bed is controlled between 45 ℃ and 50 ℃ by the feeding amount in the feeding process, and the maximum feeding amount is not more than 1500 mL/min.
(6) After the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
(7) And naturally cooling the coating essence materials to room temperature, screening, and granulating granules with the granularity of more than 12 meshes by using a swing type granulator to obtain the microcapsule granule slow-release coating essence.
In the coating process of the embodiment, the temperature in the fluidized bed is 45-50 ℃, the temperature in the coating process is lower, and the loss of the fragrance of the essence is less.
For the microcapsule granule controlled-release coated essence prepared in this example, the embedding rate, the granule condition and the oil droplet distribution were measured by the same method as in example 1. The microcapsule particle slow-release coating essence prepared by the embodiment has the advantages that 100% of the microcapsule particle slow-release coating essence passes through a 12-mesh sieve, the particle uniformity is good, the fluidity is good, but oil drops on the coating surface are large and are not uniformly distributed, the content of citric acid is 42%, and the embedding rate is 95.9%.
The technical contents of the present invention are further illustrated by the examples, so as to facilitate the understanding of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention.
Claims (10)
1. A preparation method of microcapsule particle slow-release coating essence is characterized by comprising the following steps:
s1, respectively weighing Arabic gum, edible modified starch (common name: sodium starch octenyl succinate; product model: CAPSUL) and maltodextrin according to the weight ratio, and uniformly mixing to obtain a mixture; the weight ratio of the Arabic gum to the edible modified starch to the maltodextrin is 1 (20-30) to (45-55);
s2, crushing the mixture to obtain superfine powder with the particle size below 10 mu m;
s3, dissolving the superfine powder in water at 45-60 ℃ according to the concentration of 75% by mass, and uniformly stirring to obtain a mixed solution;
adding caprylic capric acid glyceride into the mixed solution, wherein the addition amount of the caprylic capric acid glyceride is 10-15% of the mixed solution, and obtaining a total mixed solution;
adding pigment 0.1-0.5 wt%, antioxidant 0.02-0.03 wt% and essence 1-5 wt% into the total mixed solution, and shearing the mixed solution with a high-speed shearing machine until the particle size of the mixed solution is less than 5 μm to obtain emulsion;
s4, transferring the emulsion to a material tank connected with the fluidized bed within 30min after the shearing of the high-speed shearing machine in the step S3 is stopped, and continuously stirring the emulsion in the material tank;
s5, setting the air inlet temperature of the fluidized bed to be 85-90 ℃; putting 40-60 mesh citric acid particles into a fluidized bed, then heating the fluidized bed to 65 ℃ and maintaining for 15min, starting feeding and spraying by a spray gun to obtain a coating essence material; the initial feed rate was 700 mL/min; controlling the temperature in the fluidized bed to be 45-50 ℃ through the feeding amount in the feeding process, wherein the maximum feeding amount is less than or equal to 1500 mL/min;
s6, naturally cooling the coating essence materials to room temperature, screening, and granulating particles larger than 12 meshes to obtain the microcapsule particle slow-release coating essence.
2. The method for preparing the microcapsule granule slow-release coated essence according to claim 1, wherein the weight ratio of the acacia gum, the modified edible starch and the maltodextrin in the step S1 is 1:2: 50.
3. The method for preparing the microcapsule granule slow-release coated essence according to claim 1, wherein in step S1, the gum arabic, the modified edible starch and the maltodextrin are uniformly mixed by a three-dimensional mixer, and the mixing time is greater than or equal to 45 min.
4. The method for preparing the microcapsule particle slow-release coated essence according to claim 1, wherein in step S2, the mixture is pulverized by a jet mill.
5. The method for preparing the microcapsule granule slow-release coated essence according to claim 1, wherein in the step S3, the mixed solution is sheared at a speed of 15000-.
6. The method for preparing the microcapsule particle slow-release coated essence according to claim 1, wherein in step S4, the emulsion is stored in a material tank with a temperature of 35 ℃.
7. The method for preparing the microcapsule particle slow-release coated essence according to claim 1, wherein in step S5, the maximum flow rate of a peristaltic pump of the fluidized bed is greater than or equal to 2000 mL/min.
8. The method for preparing the microcapsule particle slow-release coated flavor according to claim 7, wherein in the step S5, the fluidized bed spray gun uses a three-head two-fluid nozzle.
9. The method for preparing the microcapsule particle slow-release coated flavor according to claim 1, wherein in step S6, granules larger than 12 meshes are granulated with 12 meshes by using a rocking granulator.
10. The method for preparing the microcapsule particle slow-release coated essence according to any one of claims 1 to 9, further comprising the following steps after the step S5: after the emulsion in the material tank is sprayed, the temperature in the fluidized bed is maintained between 45 ℃ and 50 ℃ for more than 30min, then the hot air is closed, and the fluidized bed is stopped after the temperature in the fluidized bed is reduced to below 30 ℃ by using cold air.
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