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Nanoscale fish oil microcapsule as well as preparation method and application thereof

A microcapsule and nanoscale technology, which is applied to nanoscale fish oil microcapsules and a preparation method and application field thereof, can solve the problems of reducing the oxidation rate of omega-3 unsaturated fatty acids, long homogenization time, etc., and achieves breakthroughs in application barriers and increases Shelf life, easy to accept effect

Pending Publication Date: 2020-01-24
GUANGZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The microcapsules embedded by this technology can reduce the oxidation rate of omega-3 unsaturated fatty acids, but cannot completely prevent
The reason is: the homogeneous embedding method can only reduce the particle size of the embedded microcapsules to the micron level, and at the micron level, the ratio of the embedding material on the outer wall of the particles to the fish oil embedded in the interior is not enough to completely prevent the fish oil from being released. Oxidation, and the homogenization time required for homogeneous embedding is long, about 30 minutes

Method used

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  • Nanoscale fish oil microcapsule as well as preparation method and application thereof
  • Nanoscale fish oil microcapsule as well as preparation method and application thereof
  • Nanoscale fish oil microcapsule as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039]This example is a method for preparing nano-scale fish oil microcapsules according to the present invention. The microwave catalytic homogenization method is used to prepare the nano Grade fish oil microcapsules; Described preparation method specifically comprises the steps:

[0040] (1) 1g of surfactant Tween 20 (Tween20) is mixed with fish oil in a mass ratio of 1:1, and then mixed with 8ml of water to obtain a mixture with a concentration of 0.2g / ml;

[0041] (2) Put the mixture described in step (1) into microwave catalysis equipment, then put the homogenizer made of plastic into the mixture described in step (1) from the microwave catalysis equipment upper end, then carry out microwave catalysis and homogenization quality, the microwave power of microwave catalytic equipment is 100Hz, the speed of homogenization is 9000r / min, the time of microwave catalysis and homogenization is 5min, and the mixed solution is obtained;

[0042] (3) freeze-drying the mixed solution...

experiment example 1

[0049] The fish oil microcapsules obtained by adopting the preparation method of Example 1 of the present invention and Comparative Example 1 are compared, and the comparison results are as follows: figure 1 shown.

[0050] (1), observe the fish oil microcapsules that adopt the preparation method of embodiment 1 of the present invention and comparative example 1 to obtain, and just prepare and obtain the result of immediate observation as follows figure 1 Shown in (A), the result observed after placing 48h after preparation is as follows figure 1 (B) shown.

[0051] Observation results: figure 1 (A) The appearance of the fish oil microcapsules prepared by the preparation method described in H Comparative Example 1, figure 1 M in (A) is the appearance of the nanoscale fish oil microcapsules prepared by the preparation method described in Example 1; figure 1 The appearance of the fish oil microcapsules prepared by the preparation method described in H Comparative Example 1 i...

experiment example 2

[0059] This experimental example is the detection of the content of omega-3 unsaturated fatty acids in fish oil microcapsules / nanoscale fish oil microcapsules. The detection method includes the following steps:

[0060] (1) Extract the fat in the fish oil microcapsules / nanoscale fish oil microcapsules, convert the fat into fatty acid methyl esters according to conventional methods, and then separate the fatty acid methyl esters;

[0061] (2) detect the content of fatty acid methyl ester described in step (1) in gas chromatography equipment, the content of described fatty acid methyl ester is the content of described omega-3 unsaturated fatty acid; The content of described fatty acid methyl ester The detection conditions in the gas chromatography equipment are: the surface of the capillary column is coated with cyanopropylpolysilylphenylsiloxane with a thickness of 0.25mm and a mass concentration of 70%, and the length of the capillary column is 50cm and the inner diameter is 0....

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Abstract

The invention relates to a nanoscale fish oil microcapsule as well as a preparation method and application thereof and belongs to the technical field of food processing. The preparation method for thenanoscale fish oil microcapsule comprises the following steps of mixing a surfactant with fish oil by adopting a microwave catalytic homogenization method, then uniformly mixing a mixture with waterto obtain a mixture, performing microwave catalysis and homogenization on the mixture, and performing freeze drying to obtain the nanoscale fish oil microcapsule. In the preparation method disclosed by the invention, by adopting the microwave catalytic homogenization method, a proportion of an outer wall embedding material and internally embedded fish oil of the fish oil microcapsule is greatly increased, the fish oil after being embedded is thoroughly prevented from being oxidized, a nutritional value of the fish oil is guaranteed, the storage period of the fish oil is prolonged, and the limitation of the traditional fish oil on the aspect of sense is overcome, so that the time of the traditional homogenization method is greatly shortened, and the sizes of homogenized fish oil embedded particles are reduced from a micron level to a nanometer level.

Description

technical field [0001] The invention relates to a nanoscale fish oil microcapsule, a preparation method and application thereof, and belongs to the technical field of food processing. Background technique [0002] Fish oil is a general term for all oily substances in fish, which are obtained by steaming, pressing and separating. No toxic substances such as mercury, arsenic, and lead were detected in the fish body of marine fish, while potassium, copper, aluminum, cadmium, etc. were all lower than the hygienic allowable value, and the pesticide residue was almost zero. The quality of processed fish oil used as oil is reliable. Fish oil is rich in omega-3 unsaturated fatty acids, which have anti-inflammatory and blood lipid regulation health benefits, and also have an important impact on the intellectual development of infants and young children. It is the health product of choice for patients with high blood pressure, coronary heart disease, stroke, diabetes, rheumatoid art...

Claims

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Application Information

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IPC IPC(8): A23L33/115A23L33/105A23L19/00A23L5/30A23P10/30
CPCA23L33/115A23L33/105A23L19/09A23L5/34A23P10/30A23V2002/00
Inventor 何山李思莹
Owner GUANGZHOU UNIVERSITY
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