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A kind of microemulsion that delays the oxidation of feed oil and its preparation method

A microemulsion and feeding technology, which is applied in application, animal feed, and the use of additives to preserve fatty substances, etc., can solve the problems of limited use range, achieve thermodynamic and dynamic stability, low viscosity, and extend the shelf life.

Active Publication Date: 2020-12-08
ZHONGKAI UNIV OF AGRI & ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ascorbic acid, citric acid, tea extracts (tea polyphenols), grape seed extracts (oligomeric proanthocyanidins), etc. are all water-soluble and hardly soluble in oils, so the solubility characteristics of these antioxidant ingredients make their application range restricted. big limit

Method used

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  • A kind of microemulsion that delays the oxidation of feed oil and its preparation method
  • A kind of microemulsion that delays the oxidation of feed oil and its preparation method
  • A kind of microemulsion that delays the oxidation of feed oil and its preparation method

Examples

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Embodiment 1

[0026] An embodiment of a microemulsion that delays the oxidation of fish oil for feeding according to the present invention, the microemulsion includes the following components in mass percentage: BHT 10%, 98% tea polyphenols 2%, paraffin oil 40%, lemon Acid 1%, Span80 21%, Tween80 7%, absolute ethanol 9%, water 10%.

[0027] The preparation method of microemulsion of the present invention is:

[0028] a) adding the synergist into water, stirring and dissolving, adding a co-emulsifier and a water-soluble antioxidant, stirring and dissolving at 40-50°C, and preparing the water phase of the microemulsion;

[0029] b) adding the fat-soluble antioxidant to the oil and heating and stirring to prepare the oil phase of the microemulsion;

[0030] c) adding an emulsifier to the water phase of the microemulsion prepared in step a), emulsifying at a speed of 300 to 600 r / min, adding the oil phase of the microemulsion prepared in step b) after emulsification, and stirring evenly at 40 ...

Embodiment 2

[0032] An embodiment of a microemulsion that delays the oxidation of fish oil for feeding according to the present invention, the microemulsion includes the following components in mass percentage: BHT 10%, 95% oligomeric proanthocyanidins 2%, paraffin oil 40%, lemon Acid 1%, Span80 21%, Tween80 7%, absolute ethanol 9%, water 10%.

[0033] The preparation method of microemulsion of the present invention is with embodiment 1.

Embodiment 3

[0035] An embodiment of a microemulsion that delays the oxidation of fish oil for feeding according to the present invention, the microemulsion includes the following components in mass percentage: DLTP 10%, 98% tea polyphenols 2%, paraffin oil 40%, ascorbic acid 1%, Span80 22%, Tween80 7%, absolute ethanol 8%, water 10%.

[0036] The preparation method of microemulsion of the present invention is with embodiment 1.

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Abstract

The invention discloses a microemulsion for delaying oxidizztion of feed oil and a preparation method thereof. The microemulsion is prepared from the following components in percentage by mass: 5 to 15% of fat-soluble antioxidant, 1.5 to 4% of water-soluble antioxidant, 30 to 50% of oil grease, 0.5 to 2% of synergist, 20 to 40% of emulsifier, 5 to 15% of co-emulsifier, and 5 to 15% of water, wherein the fat-soluble antioxidant is selected from at least one of BHT (butylated hydroxytoluene), DLTP (dilauryl thiodipropionate) or TBHQ (tert-butyl hydroquinone); the water-soluble antioxidant is selected from at least one of tea polyphenol or grape seed extract; the effective ingredient of the grape seed extract is oligomeric proanthocyanidins. The microemulsion has the advantages that the water-soluble antioxidant, the fat-soluble antioxidant and the synergist are prepared into the microemulsion, the problem of use limitation of the water-soluble antioxidant in feed oil is solved, and the oxidization of the feed oil is delayed by the synergistic action of water-soluble antioxidant and fat-soluble antioxidant.

Description

technical field [0001] The invention belongs to the technical field of feed processing, and in particular relates to a microemulsion for delaying the oxidation of feed oil and a preparation method thereof. Background technique [0002] Feed oil is a high-quality high-energy feed, and feed oil is mainly divided into animal fats and vegetable fats. Feed fish oil is a kind of animal fat, which is mainly a by-product of fish meal processing, rich in a large amount of polyunsaturated fatty acids EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid). Since fish oil for feeding contains many pro-oxidative components, such as trace amounts of metal ions and oxidation products of fish oil, compared with other oils, fish oil for feeding is more likely to induce oxidation and rancidity. Animal feed contains a variety of pro-oxidation factors that promote the oxidation of fish oil for feed, thereby deteriorating the feed, producing a special hala taste, affecting the palatability ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B5/00A23K20/10A23K20/111A23K20/105
CPCC11B5/0092
Inventor 周凯舒绪刚邱桂雄胡洪超周新华田允波
Owner ZHONGKAI UNIV OF AGRI & ENG
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