Hydrophobic double-coating microcapsule and preparation method thereof

A microcapsule and coating technology is applied in the field of water-repellent double-coated microcapsules and the preparation thereof, and can solve the problems of poor fluidity, easy friction and falling off of microcapsule shells, large differences in starch entrapment rates, and the like.

Active Publication Date: 2018-05-25
XIAMEN KINGDOMWAY VI TAMIN INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The common practice of domestic manufacturers to prepare water-dispersible microcapsules into water-repellent microcapsules is to use partition heating crosslinking; however, the partition heating crosslinking method has uneven heating, and the microcapsule shell is easy to rub off during the crosslinking process , The core material migrates to the surface of the microcapsules through the gaps in the shell; the above problems will lead to poor product quality, such as irregular particles, poor fluidity, and poor surface oil indicators, which will affect the product microencapsulation yield and product shelf life.
[0004] In view of this, low-temperature multi-coating spray technology has also been studied; for example, in the sixth issue of "China Food Additives" in 2011, "Application Research of Condensation Spray Drying in Microencapsulated Carotenoids", Zhou Di et al. The application of double-coating technology is mentioned; starch is used as the secondary coating wall material, which is also a common method for do

Method used

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  • Hydrophobic double-coating microcapsule and preparation method thereof
  • Hydrophobic double-coating microcapsule and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0088] Preparation of water-repellent double-coated vitamin A acetate microcapsules

[0089] Weigh 250g of vitamin A acetate oil (2.4 million iu / g), 50g of corn oil, and 40g of BHT to prepare an oil phase by dissolving in an oil-dissolving pot, weigh 350g of casein, 300g of glucose, 150g of white granulated sugar and 1000g of purified water in The emulsification stirring tank is prepared as a water phase, and the above oil phase is added into the emulsification tank, and the two are emulsified by high-speed shearing, and then homogenized twice by a high-pressure homogenizer at 40-60 MPa to prepare a stable emulsion. The emulsion is transported to the high-speed rotating spray ring through an emulsification pump, and is fully embedded by cornstarch in the granulation tower forming a starch bath. By weighing the weight of cornstarch before and after embedding, the consumption of cornstarch is obtained, that is, the coating amount It is 285g, and then enters the fluidized bed dri...

Embodiment 2

[0093] Preparation of water-repellent double-coated vitamin D3 microcapsules

[0094] Weigh 250g of vitamin D3 oil (20 million iu / g), 50g of peanut oil, and 40g of TBHQ to prepare an oil phase by dissolving in an oil-dissolving pot, weigh 350g of casein, 300g of glucose, 150g of white sugar and 1000g of purified water in an emulsifying stirring tank It is prepared as a water phase, and the above oil phase is added into an emulsification kettle, and the two are emulsified by high-speed shearing, and then homogenized twice by a high-pressure homogenizer at 40-60 MPa to prepare a stable emulsion. The emulsion is transported to the high-speed rotating spray ring through an emulsification pump, and is fully embedded by cornstarch in the granulation tower forming a starch bath. By weighing the weight of cornstarch before and after embedding, the consumption of cornstarch is obtained, that is, the coating amount It is 285g, and then enters the fluidized bed drier through the hot air ...

Embodiment 3

[0098] Preparation of water-repellent double-coated β-carotene microcapsules

[0099] Weigh 60g of β-carotene crystals (mass fraction 99%), 158g of sunflower oil, 8g of rosemary extract (mass fraction of carnosic acid 25%), and 16g of ascorbyl palmitate, and prepare by dissolving in an oil-dissolving pot. For the oil phase, weigh 424g of whey protein, 254g of maltodextrin, 170g of white sugar and 1335g of purified water to prepare the water phase in an emulsification stirring tank. lotion. The water-soluble beta-carotene microcapsule inner core with a water content of 5% or less is prepared from the emulsion by a spray drying method (inlet air temperature of the spray tower is 185 DEG C, and air outlet temperature is 85 DEG C).

[0100] Weigh 1800g of casein, 120g of transglutaminase (1000U / g), 30g of calcium phosphate, and 1050g of purified water and add them to the stirring tank to stir and dissolve to prepare a secondary coating wall material solution. A spraying liquid c...

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Abstract

The invention discloses a hydrophobic double-coating microcapsule and a preparation method thereof. The hydrophobic double-coating microcapsule comprises a water-soluble microcapsule core and an enteric-soluble hydrophobic layer coating on the outer surface of the water-soluble microcapsule core. The weight ratio of the water-soluble microcapsule core and the hydrophobic layer is 1:0.05-0.1. The beneficial effect of the hydrophobic double-coating microcapsule is that the hydrophobic double-coating microcapsule is capable of effectively embedding active ingredients of a core material, and preventing the core material from being migrated and oxidized, thereby improving the stability of the microcapsule, and the hydrophobic double-coating microcapsule has the good dissolution rate in an enteric solubility environment, and is beneficial for the biological absorption.

Description

technical field [0001] The invention relates to microcapsules, in particular to a water-repellent double-coated microcapsule and a preparation method thereof. Background technique [0002] Microencapsulation technology refers to the technology of embedding solids, liquids or gases in tiny and sealed capsules so that they can only be released under specific conditions; among them, the embedded material is called the core material, and the embedded core material The material that achieves microencapsulation is called wall material. Microencapsulation methods are divided into chemical method, physical chemical method and physical method, and people can choose the appropriate method according to their needs; the spray drying method in the physical method is currently the most commonly used and cheapest microencapsulation method. The product prepared by spray drying method has good dispersibility and solubility, simple production process and convenient operation, but there are c...

Claims

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Application Information

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IPC IPC(8): A23P10/30A23P10/35A23L29/00A23L29/281
CPCA23L29/015A23L29/045A23L29/06A23L29/281A23P10/30A23P10/35A23V2002/00A23V2250/0644A23V2250/1842A23V2250/187A23V2250/21A23V2250/211A23V2250/213A23V2250/5028A23V2250/5114A23V2250/54246A23V2250/54252A23V2250/5482A23V2250/5486A23V2250/5488A23V2250/60A23V2250/61A23V2250/636A23V2250/70
Inventor 肖亮何剑洋陈世豪钟星光高鸿鹏
Owner XIAMEN KINGDOMWAY VI TAMIN INC
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