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A kind of liquefaction device and liquefaction method for preparing starch sugar

A technology for liquefaction device and starch sugar, which is applied in the directions of biochemical cleaning device, biochemical equipment and method, biological material sampling method, etc., can solve the problems of insufficient protein flocculation, inability to remove, and quality reduction of starch sugar products.

Active Publication Date: 2017-05-03
COFCO RONGS BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the existing liquefaction method, the protein flocculation is insufficient and cannot be completely removed in the filtration process, which will affect the subsequent processes such as decolorization and ion exchange, and reduce the quality of starch sugar products

Method used

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  • A kind of liquefaction device and liquefaction method for preparing starch sugar
  • A kind of liquefaction device and liquefaction method for preparing starch sugar
  • A kind of liquefaction device and liquefaction method for preparing starch sugar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Transport the starch milk with a temperature of 35°C, a pH value of 5.8, and a mass concentration of 33% to the liquefaction injector, and hydrolyze it at 116°C and 0.28MPa for 2 minutes to obtain hydrolyzed starch milk;

[0052] Transfer the hydrolyzed starch milk to the flash tank, then add Novozymes 2X high-temperature-resistant amylase at 0.28kg per ton of dry starch, and flash at 101kPa and 98°C for 5min to obtain the flashed starch milk;

[0053] The flashed starch milk is transported to the liquefaction device described in the above technical solution. The liquefaction device is used in series with four liquefaction columns, and liquefied at 95°C for 100 minutes to obtain starch liquefaction liquid.

[0054] The present invention titrates the obtained starch liquefaction liquid, and tests its titration speed. The results are shown in Table 1. Table 1 shows the liquefaction effect data of the starch liquefaction liquid obtained in Examples 1-3 and Comparative Examp...

Embodiment 2

[0063] Transport the starch milk with a temperature of 40°C, a pH value of 6.0, and a mass concentration of 31% to the liquefaction injector, and hydrolyze it at 118°C and 0.3 MPa for 3 minutes to obtain hydrolyzed starch milk;

[0064] Transfer the hydrolyzed starch milk to the flash tank, then add Novozymes 2X high-temperature-resistant amylase at 0.26kg per ton of dry starch, and flash at 101kPa and 95°C for 5 minutes to obtain the flashed starch milk;

[0065] The flashed starch milk is transported to the liquefaction device described in the above technical solution. The liquefaction device is used in series with 6 liquefaction columns and liquefied at 98°C for 90 minutes to obtain starch liquefaction liquid.

[0066] The present invention titrates the obtained starch liquefaction liquid, and tests its titration speed, and the results are shown in Table 1.

[0067] In the present invention, the iodine reagent is added dropwise into the starch liquefaction liquid obtained i...

Embodiment 3

[0075] Transport the starch milk with a temperature of 45°C, a pH value of 6.0, and a mass concentration of 32% to the liquefaction injector, and hydrolyze it at 116°C and 0.3 MPa for 3 minutes to obtain hydrolyzed starch milk;

[0076] Transfer the hydrolyzed starch milk to the flash tank, then add Novozymes 2X high-temperature-resistant amylase at 0.27kg per kg of dry starch, and flash at 98kPa and 95°C for 5min to obtain the flashed starch milk;

[0077] The flashed starch milk is transported to the liquefaction device described in the above technical solution. The liquefaction device is used in series with five liquefaction columns, and is liquefied at 98° C. for 120 minutes to obtain starch liquefaction liquid.

[0078] The present invention titrates the obtained starch liquefaction liquid, and tests its titration speed, and the results are shown in Table 1.

[0079] In the present invention, the iodine reagent is added dropwise into the starch liquefaction liquid obtaine...

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Abstract

The invention provides a liquefaction device for preparing starch sugar. The liquefaction device for preparing starch sugar comprises a liquefaction column, a material inlet tube connected with a material inlet of the liquefaction column, and a discharge tube connected with a discharge opening of the liquefaction column, wherein the material inlet is formed in the lower part of the liquefaction column, a material outlet is formed in the top of the liquefaction column, and the discharge opening is formed in the bottom of the liquefaction column. The bottom of the liquefaction device provided by the invention is of a conical structure, the direction of the material inlet tube is the direction of a tangent line of the material inlet, and starch liquefaction solution enters the liquefaction device and is uniformly and rotatably fed, thus proteins in starch are adequately flocculated and removed. The invention further provides a liquefaction method for preparing starch sugar. According to the liquefaction method provided by the invention, a hydrolysis temperature is increased and hydrolysis time is shortened; meanwhile, the liquefaction device is used for liquefaction to achieve the purpose of adequately flocculating proteins, thus proteins can be removed better in the filter procedure and further the quality of the starch sugar product is improved.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to a liquefaction device and a liquefaction method for preparing starch sugar. Background technique [0002] Sugar is an indispensable raw material in food processing. Sugar mainly includes sucrose and starch sugar. Among them, starch sugar is a general term for sugar products produced by hydrolysis reaction catalyzed by acid or enzyme as raw material. Starch sugar has low production cost and high yield, and has been widely used in the food processing industry for a long time. In recent years, with the development of starch deep processing industry and food industry and the change of people's consumption structure, my country's starch sugar industry has achieved remarkable development and plays an important role in the development of my country's national economy. [0003] The main raw material for the production of starch sugar is starch, and the methods for producing st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/00C12P19/14C12P19/02
CPCC12M23/02C12M23/58C12M33/16
Inventor 张德鑫吕大鹏储境伯
Owner COFCO RONGS BIOTECH
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