Compound enzyme special for processing of corn starch

A corn starch and compound enzyme technology, applied in the directions of enzymes, lyases, enzymes, etc., can solve the problems of high content of corn starch impurities, complex corn components, and high production costs, shortening production and processing cycles, improving equipment utilization, and separating Efficiency improvement effect

Inactive Publication Date: 2012-09-12
宁夏夏盛实业集团有限公司
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  • Summary
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AI Technical Summary

Problems solved by technology

At present, the production and processing of corn starch in my country still has the problems of low starch yield and high production cost.
In addition, the composition of corn is complex, in addition to 70%-75% of starch, it also contains 10% of protein, especially the existence of non-starch polysaccharides and the low separation efficiency of germ, fiber, gluten, etc. will also easily make the content of corn starch impurities too high , low quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1) Weigh the special compound enzyme for corn starch processing at the ratios of 0% and 0.02% respectively.

[0017] 2) Respectively mix with the corn flour slurry of pH 5.0 and homogenize.

[0018] 3) Enzymatic hydrolysis at 40°C.

[0019] 4) Separating, washing and drying according to the corn starch production process to obtain corn starch and corn gluten powder.

[0020] After testing the following items, and drawing conclusions:

[0021] 1. Electricity consumption per ton: the electricity required for a ton of starch is reduced from 114 degrees to 108 degrees, saving 6 degrees per ton of starch.

[0022] 2. Water consumption per ton: the amount of water needed for a ton of starch is reduced from 1.5 tons to 1.45 tons, and a ton of starch saves 0.05 tons of water.

[0023] 3. Steam consumption per ton of starch: the amount of steam required for one ton of starch is reduced from 0.76 ton to 0.72 ton, saving 0.04 ton of steam per ton of starch.

[0024] 4. Starch yield: the starch...

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PUM

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Abstract

The invention discloses a novel enzyme preparation for improving the separation efficiency of starch and protein in the processing of corn starch. The preparation is characterized by comprising ingredients such as endocellulase, exocellulase, endoxylanase, exoxylanase, pectinase and mannose. The preparation can quickly and efficiently degrade non-starch polysaccharides in corn slurry, so that the viscosity of the slurry is reduced, and the separation efficiency of the starch and the protein in corn kernels can be remarkably improved; therefore, the yield of the corn starch and corn protein powder is increased; and the washing and drying efficiencies of fiber can be improved, the utilization rate of equipment can be improved, and the energy consumption can be reduced.

Description

Technical field [0001] The present invention relates to the technical field of biological enzyme preparations, in particular to a novel enzyme preparation for corn starch processing. Background technique [0002] Corn is a high-yield food crop and one of the main crops in my country. It has a large processing space and a long industrial chain. In particular, corn starch processing is the main basic raw material for deep corn processing. It is not only widely used in various industries, but also To a certain extent, it represents the future of the corn processing industry. At present, the production and processing of corn starch in my country still has the problems of low starch yield and high production cost. In addition, the composition of corn is complex. In addition to 70%-75% starch, it also contains 10% protein, especially the presence of non-starch polysaccharides and the low separation efficiency of germ, fiber, gluten, etc., which tends to increase the impurity content of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N9/00C12N9/42C12N9/88C07K1/14C08B30/00
Inventor 赵迎春谢合群杜仲平
Owner 宁夏夏盛实业集团有限公司
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