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Nano-selenium composite gel and preparation method thereof, and selenium supplement

A composite gel and nano-selenium technology, which is applied in the direction of anti-toxic agents, drug combinations, pharmaceutical formulations, etc., can solve the problems of low stability and biological activity of nano-selenium products, improve stability and anti-oxidation performance, and improve stability Sexuality, the effect of good market competitiveness

Active Publication Date: 2021-08-03
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to propose a nano-selenium composite gel and its preparation method, as well as selenium supplements, aiming to solve the problem of low stability and biological activity of existing nano-selenium products

Method used

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  • Nano-selenium composite gel and preparation method thereof, and selenium supplement
  • Nano-selenium composite gel and preparation method thereof, and selenium supplement
  • Nano-selenium composite gel and preparation method thereof, and selenium supplement

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preparation example Construction

[0052] The present invention also proposes a preparation method of the above-mentioned nano-selenium composite gel, in one embodiment, the preparation method of the nano-selenium composite gel comprises the following steps:

[0053] Step S10, under stirring, sequentially add sodium hydroxide and sodium trimetaphosphate to the oxidized starch solution to obtain a solution A, and continue stirring until the solution A solidifies to obtain a starch gel.

[0054] The present invention does not limit the specific concentration and type of the oxidized starch solution, it can be a routinely used oxidized starch solution, in the present embodiment, the ratio of the quality of the oxidized starch in the oxidized starch solution to the volume of deionized water is (1-7) g: (50-200) mL, that is, 1 g: 50 mL, 3 g: 100 mL, 4 g: 100 mL, 5 g: 150 mL, 7 g: 100 mL, 7 g: 200 mL, etc. The oxidized starch may be corn oxidized starch, potato oxidized starch, etc. In one embodiment, corn oxidized s...

Embodiment 1

[0069] (1) Add 4 g of corn oxidized starch with a degree of oxidation of 30% into a beaker filled with 100 mL of deionized water, and stir to completely disperse the oxidized starch to obtain an oxidized starch solution; while stirring, add 0.8g of sodium hydroxide and 1.2g of sodium trimetaphosphate were used to obtain a solution A, and the stirring was continued until the solution A was solidified to obtain a starch gel, and then the starch microgel was refrigerated at 4°C for 12 hours for later use.

[0070] (2) The above-mentioned starch gel was passed through a 200-mesh sieve, washed with deionized water until neutral, redissolved in 100 mL of deionized water, and freeze-dried at -20°C for 12 hours to obtain starch microgel.

[0071] (3) 0.27 g of the above-mentioned starch microgel was dissolved in 300 mL of deionized water, and subjected to a high-pressure homogenization treatment at a pressure of 600 bar for 30 minutes to obtain a starch microgel solution.

[0072] (4)...

Embodiment 2

[0075] (1) Add 4 g of corn oxidized starch with a degree of oxidation of 30% into a beaker filled with 100 mL of deionized water, and stir to completely disperse the oxidized starch to obtain an oxidized starch solution; while stirring, add 0.8g of sodium hydroxide and 1.2g of sodium trimetaphosphate were used to obtain a solution A, and the stirring was continued until the solution A was solidified to obtain a starch gel, and then the starch microgel was refrigerated at 4°C for 12 hours for later use.

[0076] (2) The above-mentioned starch gel was passed through a 200-mesh sieve, washed with deionized water until neutral, redissolved in 100 mL of deionized water, and freeze-dried at -20°C for 12 hours to obtain starch microgel.

[0077] (3) 0.27 g of the above-mentioned starch microgel was dissolved in 300 mL of deionized water, and subjected to a high-pressure homogenization treatment at a pressure of 600 bar for 30 minutes to obtain a starch microgel solution.

[0078] (4)...

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Abstract

The invention discloses nano-selenium composite gel and a preparation method thereof, and a selenium supplement, and relates to the technical field of selenium supplements. The nano-selenium composite gel comprises starch microgel, EGCG and nano-selenium, the starch microgel has good biocompatibility, the EGCG is water-soluble polyphenol, so that the nano-selenium can be uniformly dispersed in the starch microgel and the EGCG, the stability of the nano-selenium is improved, and the nano-selenium, the EGCG and the starch microgel generate a synergistic effect, the stability and oxidation resistance of nano-selenium are greatly improved, and a selenium supplement prepared from the nano-selenium composite gel has good effects and good market competitiveness.

Description

technical field [0001] The invention relates to the technical field of selenium supplements, in particular to a nano-selenium composite gel, a preparation method thereof, and a selenium supplement. Background technique [0002] Selenium (Se) is a multifunctional element that not only has unique physical properties, but also is an essential trace element for humans, plants, and animals for the biosynthesis of selenoproteins, as well as several selenium-containing enzymes with oxidoreductase functions . Appropriate intake of selenium is important for a healthy immune response. It is an important component of several major metabolic pathways, including thyroid hormone metabolism, antioxidant defense system and immune function. There is also evidence that selenium has a role in various cancers. inhibition. [0003] Traditional selenium supplements can be divided into inorganic selenium (mainly selenite) and organic selenium (including yeast selenium, amino acid selenium, etc.)...

Claims

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Application Information

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IPC IPC(8): A61K33/04A61K31/353A61K9/06A61K47/36A61K47/22A61P3/02A61P39/06A61P35/00A23L33/16A23L29/219A23L3/3544
CPCA61K33/04A61K31/353A61K9/06A61K47/36A61K47/22A61P3/02A61P39/06A61P35/00A23L33/16A23L29/219A23L3/3544A23V2002/00A61K2300/00A23V2200/02A23V2200/30A23V2250/1626A23V2250/214A23V2250/5118
Inventor 蔡杰程水源徐威
Owner WUHAN POLYTECHNIC UNIVERSITY
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