Preparation method of linseed oil and compound emulsion and high internal phase emulsion thereof

A high-internal-phase emulsion and compound technology, applied in the field of oil processing, can solve the problems of unstable emulsion system and easy to be affected by the environment, and achieve the effects of preventing demulsification, good dispersibility, and good storage stability

Pending Publication Date: 2021-03-19
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thickness of the emulsion interface film is relatively thin, which is easily affected by the environment, such as acid, alkali, heat, etc., causing the emulsion system to be unstable.

Method used

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  • Preparation method of linseed oil and compound emulsion and high internal phase emulsion thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1, preparation linseed oil emulsion and high internal phase emulsion

[0040] 1) Preparation of wall material and core material

[0041] Carrageenan and egg white protein are used as emulsified wall materials, and linseed oil is used as core materials;

[0042] Prepare a carrageenan aqueous solution with a mass concentration of 0.6%, and the solution presents a negative charge;

[0043] An egg white protein aqueous solution with a mass concentration of 0.4% is prepared, and the solution presents a negative charge.

[0044] 2) Preparation of coarse emulsion

[0045] Take the 100mL carrageenan aqueous solution and 100mL egg white protein aqueous solution prepared in step 1) and add them to 100mL linseed oil (wherein the mass ratio of carrageenan to egg white protein is 6:4). Adopt high-speed shearing machine to obtain coarse emulsion after the mixture is sheared at a high speed of 10000rpm for 2min.

[0046] 3) Preparation of emulsion

[0047] A high-press...

Embodiment 2

[0055] Embodiment 2, preparation linseed oil emulsion and high internal phase emulsion

[0056] 1) Preparation of wall material and core material

[0057] Chondroitin sulfate and whey protein are used as emulsified wall materials, and linseed oil is used as core materials;

[0058] Prepare an aqueous solution of chondroitin sulfate with a mass concentration of 0.7%, and the solution is negatively charged;

[0059] A whey protein aqueous solution with a mass concentration of 0.3% is prepared, and the solution presents a negative charge.

[0060] 2) Preparation of coarse emulsion

[0061] Take the 100mL chondroitin sulfate aqueous solution and 100mL whey protein aqueous solution prepared in step 1), and add them to 100 mL linseed oil (wherein the mass ratio of chondroitin sulfate and whey protein is 7:3). Adopt high-speed shearing machine to obtain coarse emulsion after the mixture is sheared at a high speed of 15000rpm for 1.5min.

[0062] 3) Preparation of emulsion

[006...

Embodiment 3

[0071] Embodiment 3, preparation linseed oil emulsion and high internal phase emulsion

[0072] 1) Preparation of wall material and core material

[0073] Carrageenan and egg white protein are used as emulsified wall materials, and linseed oil is used as core materials;

[0074] Prepare a carrageenan aqueous solution with a mass concentration of 1.2%, and the solution presents a negative charge;

[0075] An egg white protein aqueous solution with a mass concentration of 0.8% is prepared, and the solution presents a negative charge.

[0076] 2) Preparation of coarse emulsion

[0077] Take the 100mL carrageenan aqueous solution and 100mL egg white protein aqueous solution prepared in step 1) and add them to 150mL linseed oil (wherein the mass ratio of carrageenan to egg white protein is 6:4). Adopt high-speed shearing machine to obtain coarse emulsion after the mixture is sheared at a high speed of 20000rpm for 1min.

[0078] 3) Preparation of emulsion

[0079] A high-press...

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Abstract

The invention discloses a preparation method of linseed oil and a compound emulsion and a high internal phase emulsion thereof. The preparation method of the linseed oil and the compound emulsion thereof comprises the following steps: taking polysaccharides and proteins as an emulsifying wall material and grease or a compound of the grease and fat-soluble components as a core material; adding a polysaccharide solution and a protein solution into the grease or the compound, and carrying out high-speed shearing or ultrasonic emulsification to obtain a crude emulsion; carrying out high-pressure homogenization on the crude emulsion, and adjusting a pH value of a system to 3-4; and centrifuging the emulsion to obtain the high internal phase emulsion. The prepared linseed oil and the compound emulsion and the high internal phase emulsion can keep better stability in process treatment such as a wider pH range, a higher ionic strength, sterilization and the like. The linseed oil and the compound emulsion and the high internal phase emulsion thereof have a good storage stability, and the compound formed by the polysaccharides and proteins can prevent demulsification, and can better protectthe the flaxseed oil and the compound of the linseed oil and the compound thereof.

Description

technical field [0001] The invention belongs to the field of oil processing, and in particular relates to a preparation method of linseed oil and its compound emulsion and high internal phase emulsion. Background technique [0002] The content of unsaturated fatty acids in linseed oil is as high as 90%, among which α-linolenic acid has the highest content (some varieties exceed 54%). α-linolenic acid is an n-3 series of essential fatty acids, which can be converted into EPA and DHA has physiological functions such as promoting the growth and development of fetal and infant brains, enhancing memory, improving immunity, improving and maintaining vision, and preventing cerebral thrombosis and myocardial infarction. Linseed oil is an excellent n-3 series unsaturated fatty acid raw material, because the unsaturated fatty acid content is too high, causing the linseed oil to be easily oxidized, thereby producing bad flavor and even harmful substances, affecting the shelf life of li...

Claims

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Application Information

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IPC IPC(8): A23L33/115A23L29/00A23L29/30A23P10/30A23L3/3499A23L3/3562A23D9/04A23D9/06A23D9/007
CPCA23L33/115A23L29/045A23L29/30A23P10/30A23L3/3499A23L3/3562A23D9/04A23D9/06A23D9/007A23V2002/00A23V2200/30A23V2250/5036A23V2250/5428A23V2300/26A23V2250/022A23V2250/032A23V2250/54252A23V2300/48
Inventor 倪元颖王宇晓岳宝温馨李茉傅娆杨紫恒
Owner CHINA AGRI UNIV
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