Corn starch sugar production method

A technology for corn starch sugar and a production method, which is applied in the direction of fermentation and the like, can solve the problems of adverse effects on the quality of finished starch sugar products, reduce the added value of sugar residue, and have no practical application value, so as to avoid the quality fluctuation of sugar residue and low residual sugar content. , The effect of solving the drying difficulty

Active Publication Date: 2018-05-29
双桥(厦门)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the production continues, the sugar residue will combine with dextrin, oligosaccharides and other substances. If it cannot be separated and removed in time, it will have an adverse effect on the subsequent saccharification, refining and other processes and the quality of the finished starch sugar.
In addition, as the main by-product of starch sugar production, sugar residue is rich in organic nitrogen and can be used to make soy sauce, animal feed, etc. Difficult to separate inorganic filter aids, activated carbon, etc., and sugar residue containing filter aids or activated carbon can only be discharged as solid waste, and the protein content in sugar residue is low, which has basically no practical application value, resulting in a serious waste of resources
[0004] CN 102337316 A discloses a production process of starch sugar, and CN 104862428 A discloses a device and method for enriching and separating sugar residues of starch sugar by enzymatic method. The problem of filter aids avoids the problem of difficult separation of filter aids, but due to the high sugar content in sugar residues, drying is difficult and the processing cost is high, which greatly reduces the added value of sugar residues

Method used

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  • Corn starch sugar production method

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Effect test

Embodiment 1

[0047] A kind of production method of corn starch sugar, comprises the following steps:

[0048] 1) Liquefaction: Add 60-62°C process water to cornstarch to form starch milk at 19°Bé, adjust the pH value to 5.6, add Liquozyme supraα-amylase (the amount added is 0.03% of the cornstarch mass), and then Continuous jet liquefaction of starch milk at 107-108°C, after flash cooling, add Liquozyme supraα-amylase (addition amount is 0.03% of the mass of corn starch), and keep the liquefied solution at 92-94°C for 100 minutes;

[0049] 2) Primary centrifugation: cool down the liquefied liquid in step 1) to 65-66°C and then transfer it to a decanter centrifuge (model: Flottweg DECANTER Z6EF-4 / 441) for centrifugation to obtain clear liquid and sugar residue. The liquid is saccharified, refined and concentrated to obtain corn starch syrup;

[0050] 3) Washing sugar residue: add process water at 65-66°C to the sugar residue in step 2) and then transfer to a stirring disperser for homogeni...

Embodiment 2

[0055] A kind of production method of corn starch sugar, comprises the following steps:

[0056] 1) Liquefaction: Add 63-65°C process water to the cornstarch to make starch milk at 20°Bé, adjust the pH value to 5.9, add Liquozyme supraα-amylase (the amount added is 0.02% of the cornstarch mass), and then Continuous jet liquefaction of starch milk at 105-106°C, after flash cooling, add Liquozyme supraα-amylase (addition amount is 0.01% of the mass of corn starch), and keep the liquefied solution at 96-97°C for 110 minutes;

[0057] 2) Primary centrifugation: cool down the liquefied liquid in step 1) to 72-73°C and then transfer it to a decanter centrifuge (model: Flottweg DECANTER Z6EF-4 / 441) for centrifugation to obtain clear liquid and sugar residue. The liquid is saccharified, refined and concentrated to obtain corn starch syrup;

[0058] 3) Washing sugar residue: add process water at 72-73°C to the sugar residue in step 2) and transfer to a stirring disperser for homogeniz...

Embodiment 3

[0063] A kind of production method of corn starch sugar, comprises the following steps:

[0064] 1) Liquefaction: Add 62-63°C process water to cornstarch to make starch milk at 21°Bé, adjust the pH value to 5.8, add Liquozyme 2.2Xα-amylase (addition amount is 0.02% of the mass of cornstarch), Continuous spray liquefaction of starch milk at 108-109°C, after flash cooling, add Liquozyme 2.2Xα-amylase (addition amount is 0.02% of the mass of corn starch), and keep the liquefied solution at 98-99°C for 115 minutes;

[0065] 2) Primary centrifugation: cool down the liquefied liquid in step 1) to 70-71°C and then transfer it to a decanter centrifuge (model: Flottweg DECANTER Z6EF-4 / 441) for centrifugation to obtain clear liquid and sugar residue. The liquid is saccharified, refined and concentrated to obtain corn starch syrup;

[0066] 3) Washing sugar residue: add process water at 70-71°C to the sugar residue in step 2) and transfer to a stirring disperser for homogenization to ob...

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Abstract

The invention discloses a corn starch sugar production method which includes the steps: 1) liquidation; 2) primary centrifugal separation, sugar residue discharge, saccharification, refining and starch syrup preparation by concentrated clear liquid; 3) sugar residue washing; 4) secondary centrifugation; 5) deep sugar elimination; 6) sugar residue post-treatment. The yield and the quality of a starch sugar product can be improved, high-purity corn starch syrup is obtained, high-quality sugar residues can be obtained, the sugar residues are low in residual sugar content, low in water content andgood in quality stability, and waste of the sugar residues is turned into wealth.

Description

technical field [0001] The invention relates to a method for producing cornstarch sugar, which belongs to the technical field of cornstarch deep processing. Background technique [0002] Starch sugar is made from starch or starch by acid method and enzymatic method, including maltose, glucose, fructose syrup, etc. It is used in food industry such as beverage, candy, pastry, beer, chewing gum, soy sauce, etc. The field has great application prospects. With the gradual improvement of people's consumption concept and consumption level, the demand for starch sugar continues to increase, and the quality requirements for starch sugar are also further improved. [0003] The production process of traditional starch sugar mainly includes liquefaction, saccharification, decolorization, plate and frame filter press or vacuum drum filter filtration, ion exchange, concentration and other steps. The protein, fat, ash, fiber, etc. Impurities cannot be decomposed by amylase, and under the...

Claims

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Application Information

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IPC IPC(8): C12P19/02C12P19/12C12P19/14
CPCC12P19/02C12P19/12C12P19/14
Inventor 徐正康周彦斌罗建勇冯炳洪郭峰叶晓蕾李碧珠李惠安
Owner 双桥(厦门)有限公司
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