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Spray freeze-drying preparation technology for polyunsaturated fatty acid oil microcapsule

An unsaturated fatty acid, spray freeze-drying technology, applied in the field of spray freeze-drying preparation technology, can solve the problems of affecting the yield of drying effect, easy inactivation of active ingredients, and high temperature required for evaporation, so as to improve product shelf life and stability. , The effect of improving oil embedding performance and improving product quality

Inactive 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

[0005] At present, polyunsaturated fatty acid microencapsulation generally adopts high-temperature spray-drying method, which is low in cost, simple in process, and easy for large-scale industrial production. gaps, poor density
The patent application No. 200810195187.X involves a spray freeze-drying process for preparing powder. During the drying process, the drying temperature needs to be strictly controlled, otherwise the product will stick together after melting, which will affect the drying effect and final yield.

Method used

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  • Spray freeze-drying preparation technology for polyunsaturated fatty acid oil microcapsule

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] After mixing the ingredients in the above table at 60°C, use a homogeneous pressure of 40MPa to homogenize to form 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 cooled spray drying equipment , wherein the atomization pressure of the pressure atomization is 1MPa, the temperature inside the spray drying equipment is -20°C, the bottom of the spray drying equipment is pre-installed with 2000g of maltodextrin, and at the same time blowing low-temperature gas to maintain the spray drying equipment The temperature inside is the set temperature -20°C, so that the atomized liquid droplets are frozen into solid particles in the spray drying equipment, and are covered by maltodextrin. After the emulsion is completely pressed into the spray drying equipment; Transfer the material to the vacuum freeze-drying equipment, adjust the absolute pressure in the vacuum drying equipment below...

Embodiment 2

[0032] After mixing the ingredients in the above table at 40°C, homogenize with a homogeneous pressure of 60MPa to form 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 cooled spray drying equipment Among them, the atomization pressure of the pressure atomization is 1.5MPa, the temperature in the spray drying equipment is -30°C, and 100Kg of starch is pre-installed in the spray drying equipment, and low-temperature gas is blown in at the same time to maintain the temperature in the spray drying equipment. The temperature is set at -30°C, so that the atomized liquid droplets are frozen into solid particles in the spray drying equipment and covered by starch; at the same time, the solidified materials are continuously sent to the external fluidized bed In the process, the dry air at -30℃~-10℃ is used for boiling drying until the drying is completed. At the same time, 200kg of starch...

Embodiment 3

[0037]After mixing and emulsifying the ingredients in the above table at 80°C, homogenize under a homogeneous pressure of 80MPa to form a uniform emulsion; then use a pump to centrifugally atomize the emulsion into droplets and enter it into the cooled spray drying equipment , wherein the rotational speed of the centrifugal disc of the centrifugal atomization is 3000-4500rpm / min, the temperature in the spray drying equipment is -40°C, 150Kg of tricalcium phosphate is pre-added in the spray drying equipment, and low-temperature gas is blown in at the same time to maintain The temperature in the spray drying equipment is set at -40°C, so that the atomized liquid droplets are frozen into solid particles in the spray drying equipment and covered by tricalcium phosphate; at the same time, the solidified material is continuously sent to into the continuous vacuum freeze-drying equipment, vacuum freeze-drying for 10 hours, and at the same time, 200kg tricalcium phosphate is con...

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Abstract

The invention relates to a spray freeze-drying preparation technology for a polyunsaturated fatty acid oil microcapsule, 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 spray drying device with temperature of negative 60 DEG C to negative 10 DEG C, wherein powder embedding materials are contained at the bottom part of the spray drying device, and blasting low-temperature gas to fully mix the materials in the spray drying device and to keep the temperature in the spray drying device to be the set temperature; and further drying and screening to obtain polyunsaturated fatty acid oil microcapsule products. The invention has the advantages that the drying temperature of the preparation technology is low, the speed is fast and the nutritional ingredients are not apt to be damaged; the technology is simple and convenient and the automatic mass production can be realized; 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 spray freeze-drying preparation process of polyunsaturated fatty acid oil microcapsules. Background technique [0002] Research in recent years has shown that polyunsaturated fatty acids are very important to human health, so a large number of companies have developed products of various unsaturated fatty acids. [0003] 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. For example, gamma-linole...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/30A23L1/305A23L33/12
Inventor 唐孝鹏汪志明杨金涛肖敏余道政肖子豪易华荣李翔宇
Owner CABIO BIOTECH WUHAN CO LTD
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