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Preparation method of instant potassium alginate

A potassium alginate and instant technology, applied in the field of preparation of instant potassium alginate, can solve the problems of lack of micropores, shape improvement, improvement, etc., and achieve the effects of improving clumping phenomenon, high product purity, and increasing specific surface area.

Inactive Publication Date: 2018-01-05
青岛海之林生物科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technology is also improved by introducing foreign substances, without essentially improving the micropores and morphology of the product itself.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Add 10g of 220-mesh potassium alginate powder to 100ml of 90% ethanol, wherein potassium alginate is insoluble in this organic medium and all settles at the bottom;

[0020] (2) Turn on the stirrer, adjust the rotating speed to the range of 1200rpm, and distribute the settled potassium alginate at the bottom evenly in the alcohol medium by stirring;

[0021] (3) In the state of stirring, spray into the water of 45ml volume in above-mentioned organic medium,

[0022] (4) After the water spraying is completed, the precipitated potassium alginate is taken out by centrifugation, and the moisture content of the material after centrifugation is 32%;

[0023] (5) Freeze-drying the centrifugal material, the material moisture after drying is 10.2%;

[0024] (6) Pulverize to obtain the finished product of instant potassium alginate.

[0025] Comparison of dissolution time: 6g product dissolved in 600ml water: 25min for conventional product and 10min for instant product.

Embodiment 2

[0027] (1) Add 10 g of 100 mesh potassium alginate powder to an organic medium mixed with 50 ml of 90% methanol and 50 ml of 90% ethanol, wherein potassium alginate is insoluble in the organic medium and all settles at the bottom;

[0028] (2) Turn on the stirrer, adjust the rotating speed to the range of 1100rpm, and distribute the settled potassium alginate at the bottom evenly in the alcohol medium by stirring;

[0029] (3) In the state of stirring, spray into the water of 45ml volume in above-mentioned organic medium,

[0030] (4) After the water spraying is completed, the precipitated potassium alginate is taken out by centrifugation, and the moisture content of the material after centrifugation is 32%;

[0031] (5) Freeze-drying the centrifuged material, the material moisture after drying is 12.5%;

[0032] (6) Pulverize to obtain the finished product of instant potassium alginate.

[0033] Comparison of dissolution time: 6g product dissolved in 600ml water: 20min for ...

Embodiment 3

[0035] (1) Add 10g of 80-mesh potassium alginate powder to 100ml of 95% ethanol, wherein potassium alginate is insoluble in this organic medium and all settles at the bottom;

[0036] (2) Turn on the stirrer, adjust the rotating speed to the range of 1500rpm, and distribute the settled potassium alginate at the bottom evenly in the alcohol medium by stirring;

[0037] (3) in the state of stirring, spray into the water of 55ml volume in above-mentioned organic medium,

[0038] (4) After the water spraying is completed, the precipitated potassium alginate is taken out by centrifugation, and the moisture content of the material after centrifugation is 35%;

[0039] (5) Freeze-drying the centrifuged material, the material moisture after drying is 15%;

[0040] (6) Pulverize to obtain the finished product of instant potassium alginate.

[0041] Comparison of dissolution time: 6g product dissolved in 600ml water: 18min for conventional product and 6min for instant product.

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PUM

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Abstract

The invention discloses a preparation method of instant potassium alginate. The preparation method is characterized by comprising the following steps: adding potassium alginate powder with a convectional specification into an organic medium solvent of a micropore modifier; spraying a certain amount of a water solution into the solution under a stirring state; centrifuging, carrying out freeze drying at low temperature and crushing to obtain the instant potassium alginate. According to the preparation method disclosed by the invention, potassium alginate micropores are increased through the micropore modifier and the structural form of the potassium alginate is converted into a porous fluffy shape from a compact powder shape, so that the specific surface area of the potassium alginate is greatly enlarged and the dissolubility of the instant potassium alginate in water is increased; meanwhile, the micropores are increased and the hydration effect of micro-particles is greatly reduced, and the agglomeration phenomenon of the potassium alginate in a dissolving process is remarkably improved.

Description

technical field [0001] The invention relates to a preparation method of instant potassium alginate. Background technique [0002] Potassium alginate is a natural polymer material extracted from seaweed. It has good thickening, emulsifying, stabilizing and gelling functions, and is widely used in medicine, food, industry, daily chemical and other fields. Potassium alginate of existing common specifications exists in the form of compact granular powder, which makes it easy to absorb moisture and form clusters. At the same time, it takes about 15-25 minutes for a 1% concentration of colloid to completely dissolve under the condition of agitator. The dissolution time is relatively long. This limits the application advantages of potassium alginate to a certain extent. [0003] Therefore, need to develop the preparation method of a kind of instant potassium alginate, be used for improving the dissolubility of product. [0004] Patented a preparation method of instant sodium alg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J3/12C08L5/04
Inventor 陈宏时慧刘兴勇刘晶营刘双双孙暖暖崔冰陈翔孙彤崔福承付德珍
Owner 青岛海之林生物科技开发有限公司