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 micro

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

Example Embodiment

[0038] Example 1

[0039] This embodiment is a method for preparing nanometer fish oil microcapsules according to the present invention. The microwave catalytic homogenization method is adopted, and the high shear force of the homogenization method is combined with the vibration and mixing force of the microwave particles to prepare the nanometer Grade fish oil microcapsules; the preparation method specifically includes the following steps:

[0040] (1) Mix 1g of surfactant Tween 20 (Tween 20) and fish oil at a mass ratio of 1:1, and then mix 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 the microwave catalytic equipment, and then put a plastic homogenizer from the upper end of the microwave catalytic equipment into the mixture described in step (1), and then perform microwave catalysis and homogenization. The microwave power of the microwave catalysis equipment is 100Hz, the homogenization speed is 900...

Example Embodiment

[0048] Experimental example 1

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

[0050] (1) Observe the fish oil microcapsules obtained by the preparation methods of Example 1 and Comparative Example 1 of the present invention, and the results of immediate observation are as follows: figure 1 As shown in (A), the results observed after being placed for 48 hours after preparation are as follows figure 1 (B) shown.

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

Example Embodiment

[0058] Experimental example 2

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

[0060] (1) Extract the fat in fish oil microcapsules / nano-scale 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 the fatty acid methyl ester described in step (1) in the gas chromatography equipment, the content of the fatty acid methyl ester is the content of the omega-3 unsaturated fatty acid; the content of the fatty acid methyl ester The detection conditions in the gas chromatography equipment are: the capillary column is coated with cyanopropyl polysilicophenylsiloxane with a thickness of 0.25mm and a mass concentration of 70%, the capillary column is 50cm long and has an inner diameter of 0.32mm ; The carri...

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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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