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Processing process for increasing yield of corn starch

A corn starch and processing technology, which is applied in the field of processing technology for improving the yield of corn starch, can solve the problems that green health cannot be achieved, the yield is not maximized, and the material is wasted, so as to improve the comprehensive utilization rate and retain Starch ingredient, low cost effect

Inactive Publication Date: 2020-01-21
安徽金玉米农业科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although there are many new methods of corn starch production, there are still some problems that the output rate has not been brought into full play, resulting in waste of materials, and the blind pursuit of output rate during processing, which increases the complexity of the process, and cannot Realize the goal of green health

Method used

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  • Processing process for increasing yield of corn starch
  • Processing process for increasing yield of corn starch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A processing technology for improving the yield of corn starch, including cleaning and removing impurities, softening treatment, extrusion coarse grinding, enzymatic separation, dehydration and air drying;

[0025] The cleaning and impurity removal process is as follows: the harvested corn is sun-dried for 7 days, and then cleaned to remove impurities and moldy corn, and then soaked in a 70ppm sodium bicarbonate aqueous solution for 12 minutes, shaken for 4 minutes, and taken out. Rinse 2 times with clean water, then send it to the blast drying box, set the temperature at 52℃, and quickly dry to the moisture content between 10-12%;

[0026] The amount of the sodium bicarbonate aqueous solution is 2.2 times the quality of corn;

[0027] Softening treatment: Put the pretreated corn in a softening treatment liquid with a material-to-liquid ratio of 1:3, stir evenly, and perform softening treatment. The treatment temperature is 52°C and the softening time is 25 minutes. The soften...

Embodiment 2

[0034] A processing technology for improving the yield of corn starch, including cleaning and removing impurities, softening treatment, extrusion coarse grinding, enzymatic separation, dehydration and air drying;

[0035] The cleaning and impurity removal process is as follows: the harvested corn is sun-dried for 7 days, and then cleaned to remove impurities and moldy corn, and then soaked in a 70ppm sodium bicarbonate aqueous solution for 12 minutes, shaken for 4 minutes, and taken out. Rinse 2 times with clean water, then send it to the blast drying box, set the temperature at 52℃, and quickly dry to the moisture content between 10-12%;

[0036] The amount of the sodium bicarbonate aqueous solution is 2.2 times the quality of corn;

[0037] Softening treatment: Put the pretreated corn in a softening treatment liquid with a material-to-liquid ratio of 1:4, stir evenly, and perform softening treatment. The treatment temperature is 52°C and the softening time is 25 minutes. The soften...

Embodiment 3

[0044] A processing technology for improving the yield of corn starch, including cleaning and removing impurities, softening treatment, extrusion coarse grinding, enzymatic separation, dehydration and air drying;

[0045] The cleaning and impurity removal process is as follows: the harvested corn is sun-dried for 7 days, and then cleaned to remove impurities and moldy corn, and then soaked in a 70ppm sodium bicarbonate aqueous solution for 12 minutes, shaken for 4 minutes, and taken out. Rinse 2 times with clean water, then send it to the blast drying box, set the temperature at 52℃, and quickly dry to the moisture content between 10-12%;

[0046] The amount of the sodium bicarbonate aqueous solution is 2.2 times the quality of corn;

[0047] Softening treatment: Put the pretreated corn in a softening treatment liquid with a material-to-liquid ratio of 1:4.5, stir evenly, and perform softening treatment. The treatment temperature is 52°C and the softening time is 25 minutes. The soft...

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Abstract

The invention relates to the technical field of agricultural and sideline product processing. The invention discloses a processing process for increasing the yield of corn starch. Through researchinga starch structure and an enzymolysis separation principle, the problems in the prior art that starch purity is not high due to incomplete fiber separation caused by excessive grinding, and the problem of a low powder yield caused by starch residues in slag due to too light grinding are solved. The method comprises the steps of cleaning and impurity removal, softening treatment, extrusion and coarse grinding, enzymolysis separation, and dehydration and air drying. Corn subjected to softening treatment has a loose cell tissue structure; the better the cell wall separation effect is, the more thorough various substances are released, enzymolysis is facilitated, the corn pulping rate and the starch conversion rate can be increased, starch components are kept to a great extent, and corn starchobtained is high in purity. The process can solve the disadvantages in the existing corn starch processing extraction process, improves the corn comprehensive utilization rate, reduces the cost, andincreases the yield of the corn starch.

Description

Technical field [0001] The invention belongs to the technical field of agricultural and sideline products processing, and specifically relates to a processing technique for improving the yield of corn starch. Background technique [0002] Corn is the world's recognized "golden crop", and its fat, phosphorus, and vitamin B2 content ranks first among cereals. Modern medical research has shown that corn flour is rich in glutathione, which is an anti-cancer factor, which can combine with a variety of foreign chemical carcinogens in the human body to make it detox, and then excreted through the digestive tract. The coarsely ground corn meal contains a lot of lysine, which can inhibit tumor growth. In the traditional process, the production process of corn starch is: after the corn is soaked with 0.3% sulfurous acid, it is made through the processes of crushing, sieving, precipitation, drying, and grinding. Common corn starch products contain a small amount of fat and protein. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B30/04
CPCC08B30/044
Inventor 孙玉政王建张学亮
Owner 安徽金玉米农业科技开发有限公司
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