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Method of preparing polysaccharide emulsion gel from Pickering emulsion

A technology of emulsion gel and emulsion, which is applied in the fields of application, edible oil/fat, food science, etc., can solve the problems that Kedelan has no surface activity and cannot form stable emulsion, and achieves the effect of high emulsion stability

Inactive Publication Date: 2018-05-25
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since curdlan has no surface activity, it cannot form a stable emulsion, so the application of curdlan in emulsion gel is limited

Method used

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  • Method of preparing polysaccharide emulsion gel from Pickering emulsion
  • Method of preparing polysaccharide emulsion gel from Pickering emulsion
  • Method of preparing polysaccharide emulsion gel from Pickering emulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Add 2g of wood pulp board into a three-necked flask, add 6mL of deionized water, add 100mL of 85% phosphoric acid, stir at 0°C for 24h, add the cellulose solution to 500mL of deionized water to form flocculent cellulose, and centrifuge until The pH is constant, and a regenerated cellulose suspension with a mass fraction of 0.5-5% is obtained.

[0027] (2) Take 5 g of the regenerated cellulose suspension of step (1) with a mass fraction of 0.5%, add 5 g of sunflower oil, and homogeneously disperse for 3 minutes at a speed of 10,000 rpm in a homogenizer to obtain stable sunflower oil / fiber Vegan Pickering Lotion.

[0028] (3) Add 2wt% curdran to the Pickering emulsion obtained in step (2), stir to obtain a stable polysaccharide emulsion.

[0029] (4) Take 5 g of curdlan suspension with a mass fraction of 2%, add 5 g of sunflower oil, and homogeneously disperse in a homogenizer at a speed of 10,000 rpm for 3 minutes to obtain a sunflower oil / curdan mixture.

[0030] ...

Embodiment 2

[0033] (1) Add 2g of wood pulp board into a three-necked flask, add 6mL of deionized water, add 100mL of 85% phosphoric acid, stir at 0°C for 24h, add the cellulose solution to 500mL of deionized water to form flocculent cellulose, and centrifuge until The pH is constant, and a regenerated cellulose suspension with a mass fraction of 0.5-5% is obtained.

[0034] (2) Take 5 g of the regenerated cellulose suspension of step (1) with a mass fraction of 0.5%, add 5 g of sunflower oil, and homogeneously disperse for 3 minutes at a speed of 10,000 rpm in a homogenizer to obtain stable sunflower oil / fiber Vegan Pickering Lotion.

[0035] (3) Add 1wt%, 2wt%, 3wt%, 4wt% of curdlan to the Pickering emulsion obtained in step (2), stir, heat at 70°C, keep warm for 1h, and then cool at 10°C to obtain polysaccharide emulsion gel .

[0036] In order to study the stability of the emulsion and emulsion gel prepared in this example, the samples with different available content were left stand...

Embodiment 3

[0039] (1) Add 2g of wood pulp board into a three-necked flask, add 6mL of deionized water, add 100mL of 85% phosphoric acid, stir at 0°C for 24h, add the cellulose solution to 500mL of deionized water to form flocculent cellulose, and centrifuge until The pH is constant, and a regenerated cellulose suspension with a mass fraction of 0.5-5% is obtained.

[0040] (2) Take 5 g of the regenerated cellulose suspension of step (1) whose mass fraction is 0.3%, 0.5%, and 1%, respectively, add 5 g of sunflower oil, and homogeneously disperse for 3 min at a speed of 10,000 rpm in a homogenizer to obtain Stabilized Sunflower Oil / Cellulose Pickering Emulsion.

[0041] (3) Add 2wt% curdlan to the three Pickering emulsions obtained in step (2), stir, heat at 70°C, keep warm for 1h, and then cool at 10°C to obtain polysaccharide emulsion gel.

[0042] In order to study the stability of the emulsion and emulsion gel prepared in this example, the Pickering emulsion samples with different reg...

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Abstract

The invention relates to a method of preparing polysaccharide emulsion gel from Pickering emulsion. The method comprises the steps of taking a regenerated cellulose suspension with a mass percentage of 0.5-5% as a water phase, and edible oil as an oil phase for homogenization to form the edible oil / cellulose Pickering emulsion, adding curdlan into the Pickering emulsion and performing stirring, heating and cooling to form the polysaccharide emulsion gel. The Pickering emulsion is high in stability and has biocompatibility and biodegradability; and the polysaccharide emulsion gel contains dietary fibers conductive to good health and has potential application values in the fields of food, cosmetics, medicines and the like.

Description

technical field [0001] The invention belongs to the technical field of polysaccharide emulsion gels, in particular to a method for preparing polysaccharide emulsion gels using Pickering emulsions. Background technique [0002] In recent years, the use of biomass materials to prepare emulsion gels has attracted increasing attention. On the one hand, biomass material emulsion gel can be used as a functional food delivery carrier for bioactive substances and nutrients, especially protein and polysaccharide emulsion gel, which has been proven to be used for carotenoids, plant sterols, etc. Delivery system for poorly soluble nutrients. Because the functional factor is solidified by the gel structure, it can significantly maintain the biological activity of the bioactive substance and improve the stability of the nutrient substance, so the biomass carrier has the advantages of safety, portability, and high nutritional value (Yang Miao. South China University of Technology, 2012. ...

Claims

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Application Information

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IPC IPC(8): A23D9/007A23D9/04
CPCA23D9/007A23D9/04
Inventor 隋晓锋蒋阳王碧佳毛志平徐红钟毅张琳萍
Owner DONGHUA UNIV
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