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Preparation method of gel additives with controllable slow release

The technology of a gel auxiliary agent and a production method is applied in the field of preparation of a slow-release and controllable gel auxiliary agent, which can solve problems such as hindering application, and achieve wide application value, good slow-release effect and controllable gel time. Effect

Active Publication Date: 2012-11-14
青岛德慧海洋生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the moment when the alginate aqueous solution meets the gel agent and the characteristics of the gel, it seriously hinders its application in different production processes and fields.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Take 50g agar and 10g CaCO 3 Disperse in 1000g of water, mix evenly, heat and boil until completely dissolved; process the completely dissolved mixed solution with an ultra-high pressure homogenizer at a pressure of 110Mpa; spray dry the treated colloid to obtain a controllable slow-release gel Finished glue additives.

[0023] According to the needs, add the finished product of the controlled-release gel auxiliary agent to 500g of 1% sodium alginate aqueous solution, heat to 90°C, and the gel agent CaCO 3 At the beginning, with the extension of time and the increase of temperature, it will gradually release and react with sodium alginate to form a weak gel until it is completely condensed into a solid.

Embodiment 2

[0025] Take 20g carrageenan and 8g CaCO 3 Disperse in 500g of water, mix evenly, heat and boil until completely dissolved; process the completely dissolved mixed solution with an ultra-high pressure homogenizer at a pressure of 40Mpa; spray dry the treated colloid to obtain a controllable, slow-release Finished Gel Aid.

[0026] Weigh 1.8g of the finished product of the controlled-release gelling aid, add it to 150g of 1% sodium alginate aqueous solution, heat to 70°C, and the gelling agent CaCO 3 At the beginning, with the extension of time and the increase of temperature, it will gradually release and react with sodium alginate to form a weak gel until it is completely condensed into a solid.

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Abstract

The invention discloses a preparation method of gel additives with controllable slow release. The preparation method comprises the steps of adding water in seaweed glue and gel additives to boil until the seaweed glue and the gel additives are completely dissolved, treating through high-pressure or super-pressure plants, atomizing and drying for prilling to obtain end products or treating through the high-pressure or super-pressure plants, quickly freezing through a single freezing machine, quickly thawing through microwave, conducting filter pressing on freeze thawing mixed liquor to be dewatered through a plate-and-frame filter press, extruding films obtained by filter pressing through a twin-screw extruder, conducting microwave drying on extrusive colloid, airing or stoving, smashing and sieving to obtain the end products. The preparation method has the advantages that prepared gel additives of alginate have good slow release effects, achieve controllable time and speed of gel and greatly expand application field and production process of the alginate.

Description

technical field [0001] The invention relates to a preparation method of an auxiliary agent which is necessary in food industry, daily chemical industry, bioengineering, pharmacy and scientific research, and which can control the gel temperature and time of alginate. technical background: [0002] Alginate is a polysaccharide extracted from marine brown algae, which is a hydrophilic colloid; it has good thickening, gel and water retention properties, especially its thermally irreversible gel, and is widely used in food industry, daily chemical industry, bioengineering , Pharmaceuticals have been widely used. However, due to the moment when the alginate aqueous solution meets the gel agent and the characteristics of the gel, its application in different production processes and fields is seriously hindered. [0003] Both marine red alginate carrageenan and agar have the characteristics of dissolving in hot water above 70°C; therefore, gels treated with its inlay and nano-enca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/02C09C3/10C08J3/075C08L5/04
Inventor 董瑞娜杨松涛
Owner 青岛德慧海洋生物科技有限公司
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