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Preparation technology for polyunsaturated fatty acid oil microcapsule

An unsaturated fatty acid and preparation process technology, applied in the field of preparation of polyunsaturated fatty acid oil microcapsules, can solve the problems of easy inactivation of active ingredients, high temperature required for drying, easy gaps in the capsule wall, etc., and achieves good fluidity. , The effect of high oil embedding rate and simple process

Active Publication Date: 2010-10-13
CABIO BIOTECH WUHAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the microencapsulation of polyunsaturated fatty acid oils generally adopts high-temperature spray drying method, which is low in cost, simple in process, and easy for large-scale industrial production. There are gaps and poor compactness

Method used

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  • Preparation technology for polyunsaturated fatty acid oil microcapsule

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Table 1

[0023] Arachidonic acid content is

[0024] After mixing the ingredients described in Table 1 at 40°C, homogenize under a homogeneous pressure of 20 MPa to obtain a uniform emulsion; then use a high-pressure pump to atomize the emulsion into droplets through an atomizing spray gun and spray it into the preheated In the boiling drying device, the atomization pressure of the pressure atomization is 0.5MPa, the temperature in the boiling drying device is 90°C, 5000g of starch is installed at the bottom of the boiling drying device, and the temperature in the boiling drying device is maintained by blasting at the same time Not lower than 70°C, so that the atomized droplets are partially dried and wrapped by a layer of starch blown from the bottom, after the emulsion is completely sprayed into the boiling drying device; then increase the temperature of the boiling drying device to 80°C, Further dry for 3min, sieve, and separate the excess powder embedding...

Embodiment 2

[0029] Table 2

[0030] Arachidonic acid content is

[0031] After mixing the ingredients in Table 2 at 60°C, homogenize under a homogeneous pressure of 40MPa to obtain a uniform emulsion; then keep warm at 90°C for 3 minutes and sterilize; then use a high-pressure pump to pass the emulsion through an atomizing spray gun Atomized into droplets and sprayed into the preheated ebullient drying device. The atomization pressure of the pressure atomization is 2MPa, the temperature inside the ebullient drying device is 80°C, and 100Kg microcrystalline cellulose is installed at the bottom of the ebullient drying device. At the same time, air is blown to maintain the temperature in the boiling drying device not lower than 50°C, so that the atomized liquid droplets are partially dried and wrapped by a layer of microcrystalline cellulose blown from the bottom. At the same time, vacuum feeding equipment is used to continuously Supplement 600kg of microcrystalline cellulose into ...

Embodiment 3

[0036] table 3

[0037] Docosahexaenoic acid contains

[0038] After mixing the ingredients described in Table 3 at 80°C, homogenize under a homogeneous pressure of 60MPa to obtain a uniform emulsion; then keep warm at 90°C for 3 minutes and sterilize; then send the emulsion into the boiling drying device through a delivery pump In the centrifugal disc above, the emulsion is atomized into droplets under the high-speed centrifugal action of the centrifugal disc and dispersed into the preheated boiling drying device. The centrifugal disc rotating speed of the centrifugal atomization is 2000-3500r / min , the temperature in the boiling drying device is 90°C, 100Kg of tricalcium phosphate is installed at the bottom of the boiling drying device, and at the same time blowing air is used to maintain the temperature in the boiling drying device not lower than 50°C, so that the atomized droplets are partially dried, And it is wrapped by the tricalcium phosphate blown from the b...

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Abstract

The invention relates to a preparation technology for polyunsaturated fatty acid oil microcapsules, which comprises the following technological steps: mixing oil containing polyunsaturated fatty acid with emulsifier and water to obtain mixture; homogenizing the mixture to obtain emulsion; atomizing the emulsion into liquid drops which are sprayed into a preheated fluidized drying device, wherein the temperature in the fluidized drying device is 30-90 DEG C and powder embedding materials are contained at the bottom part of the fluidized drying device, and blasting air for drying to keep the temperature in the fluidized drying device to be 30-90 DEG C; and further drying and screening to obtain polyunsaturated fatty acid oil microcapsule products. The invention has the advantages that the temperature of the preparation technology is low and the nutritional ingredients are not apt to be damaged; the technology is simple and the automatic mass production is facilitated; and the oil embedding rate of the obtained independent polyunsaturated fatty acid oil microcapsule particles is high, the embedding performance is good, the product shelf life is long and the stability is good.

Description

technical field [0001] The invention relates to a preparation process of polyunsaturated fatty acid oil microcapsules. Background technique [0002] Polyunsaturated fatty acids (PUFA) refer to straight-chain fatty acids containing two or more double bonds and a carbon chain length of 18 to 22 carbon atoms, mainly including linoleic acid (LA), γ-linseed acid (GLA), arachidonic acid (AA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), among them, n-3 and n-6 ​​series polyunsaturated fatty acids as Human essential fatty acids play a very critical role in human physiology, mainly in the prevention of cardiovascular disease, cancer and other diseases, and the promotion of physiological cell growth and immune regulation. Due to its structure, polyunsaturated fatty acids are easily oxidized. Once oxidized, they will produce a rancid smell, which will affect the taste of oil products. Therefore, polyunsaturated fatty acids are effectively embedded and added to food. b...

Claims

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Application Information

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IPC IPC(8): A23L1/30A23L1/305A23L33/12A23L33/17
Inventor 杨金涛汪志明唐孝鹏肖敏余道政肖子豪易华荣李翔宇
Owner CABIO BIOTECH WUHAN CO LTD
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