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Preparation method of water-in-oil nano-emulsion

A nanoemulsion and water-in-oil technology, which is applied in the field of preparation of water-in-oil nanoemulsion, can solve the problems of insoluble antioxidants and limited applications, and achieve the effects of low cost, simple preparation method, and increased added value

Inactive Publication Date: 2013-07-24
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these water-soluble antioxidants cannot dissolve in oils, thus limiting their application in oils

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Add 5g of polyglycerol polyricinoleate to 985g of liquid walnut oil, stir rapidly to dissolve polyglycerol polyricinoleate in liquid walnut oil to obtain oil, then add 10g of polyricinoleate to the oil Deionized water was stirred with a mixer at 2000r / min for 2min to obtain mixed coarse milk; the mixed coarse milk was pre-cooled to 0°C and ultrasonically treated with ultrasonic power of 500W for 2min; the ultrasonicated emulsion was subjected to high pressure under ice bath conditions Micro-jet homogenization treatment, the processing pressure is 80MPa, high-pressure micro-jet homogenization 3 times, to obtain walnut oil-in-water nanoemulsion.

Embodiment 2

[0022] Add 3g polyglycerol polyricinoleate to 992g liquid herring oil, stir rapidly to dissolve polyglycerol polyricinoleate in liquid herring oil to obtain oil, then add 5g polyricinoleate to the oil Deionized water was stirred with a mixer at 2000r / min for 2min to obtain mixed coarse milk; the mixed coarse milk was pre-cooled to 3°C and ultrasonically treated with ultrasonic power of 500W for 2min; the ultrasonicated emulsion was subjected to high pressure under ice bath conditions Micro-jet homogenization treatment, the treatment pressure is 70MPa, high-pressure micro-jet homogenization 3 times, and the herring oil-in-water nanoemulsion is obtained.

Embodiment 3

[0024] Add 6g of polyglycerol polyricinoleate to 979g of liquid corn oil, and stir rapidly to dissolve polyglycerol polyricinoleate in liquid corn oil to obtain an oil, then add 15g of polyricinoleate to the oil Deionized water was stirred with a mixer at 2000r / min for 2min to obtain mixed coarse milk; the mixed coarse milk was pre-cooled to 5°C and ultrasonically treated with ultrasonic power of 500W for 2min; Micro-jet homogenization treatment, the treatment pressure is 60MPa, high-pressure micro-jet homogenization 3 times to obtain the water-in-corn oil nanoemulsion.

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Abstract

The invention provides a preparation method of water-in-oil nano-emulsion. The preparation method comprises the following steps of: adding polyglycerol polyricinoleate to liquid raw oil; uniformly stirring to obtain oil; adding water to the oil; stirring through a stirring machine, thus obtaining mixed coarse emulsion; and then processing the mixed coarse emulsion in a way of ultrasonic high-pressure micro-jet homogenizing, so as to obtain the water-in-oil nano-emulsion. By adopting the preparation method, the basic physical characteristics of grease are remained, such as transparency and viscosity; simultaneously, a condition is created for using a water-soluble antioxidant in the grease. The water-in-oil nano-emulsion, prepared through a food surface active agent which is the polyglycerol polyricinoleate, is suitable for being applied to the industries of foundational foods, drugs, high-level cosmetics, biological products, etc. The preparation method is simple, free of pollution and low in cost, can improve the additional value of the grease processing industry, and is beneficial for prompting the healthy development of industries related to the grease.

Description

technical field [0001] The invention relates to a method for preparing an emulsion, in particular to a method for preparing a water-in-oil nanoemulsion. Background technique [0002] Polyunsaturated fatty acids (PUFA) in oils and fats are also called polyene fatty acids, which refer to fatty acids with a chain length of more than 18 carbon atoms and containing two or more unsaturated double bonds. Among them, fatty acids containing two and three unsaturated double bonds are octadecyl linoleic acid and linolenic acid, which are mostly distributed in vegetable oils; polyunsaturated fatty acids with more than four double bonds are mostly found in the fat of marine animals middle. Their long chains and multiple cis double bonds positioned at intervals endow them with special structural and physiological functions. In vivo, they are not only components of cell structure, but also important in regulating physiological functions. In recent years, people have found that eating mo...

Claims

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Application Information

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IPC IPC(8): C11B3/00
Inventor 易建华朱振宝曾桥刘梦颖卢洋程菁菁王留续
Owner SHAANXI UNIV OF SCI & TECH
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