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Optimization method for crystallization of glucose

An optimization method, glucose technology, applied in the field of food processing, can solve the problems of high environmental pollution, etc., and achieve the effect of good quality and optimized crystallization process

Inactive Publication Date: 2016-08-03
HULUNBEIER NORTHEAST FUFENG BIOTECHNOLOGIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, both plate and frame filtration and vacuum drum filtration require the addition of filter aids such as diatomaceous earth, which is more polluting to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In the embodiment of the present invention, the method for optimizing glucose crystallization, the method includes the following steps:

[0025] (1) In the batching tank, adjust the concentration of starch milk to 22°Bé, adjust the pH value to 5.5, add high-temperature-resistant α-amylase, feed the liquid through a high-pressure injection of the liquefaction injector, and add the enzyme for a second continuous liquefaction reaction, Hydrolyze into liquefied starch liquid; keep the temperature at 80°C; the amount of the high-temperature-resistant α-amylase added is: add 600mL α-amylase per ton of starch dry matter.

[0026] (2) The liquefied starch liquid enters the vacuum flash cooling system and cools down to 55°C for heat preservation, and at the same time lowers the pH value to 4.5, then adds glucoamylase, and enters the saccharification tank for saccharification. Inactivate enzyme; the addition amount of described glucoamylase is: add 500mL alpha-amylase per ton of ...

Embodiment 2

[0033] In the embodiment of the present invention, the method for optimizing glucose crystallization, the method includes the following steps:

[0034] (1) In the batching tank, adjust the concentration of starch milk to 25°Bé, adjust the pH value to 5.9, add high-temperature-resistant α-amylase, feed the liquid through a high-pressure injection of the liquefaction injector, and add the enzyme for a second continuous liquefaction reaction, Hydrolyze into a liquefied starch liquid; keep the temperature at 90°C; add 700mL of α-amylase per ton of starch dry matter.

[0035] (2) The liquefied starch liquid enters the vacuum flash cooling system to cool down to 65°C and keep it warm, and at the same time lower the pH value to 5.3, add glucoamylase, and enter the saccharification tank for saccharification. Inactivate enzyme; the addition amount of described glucoamylase is: add 600mL α-amylase per ton of starch dry matter.

[0036](3) After saccharification, the discharge enters th...

Embodiment 3

[0042] In the embodiment of the present invention, the method for optimizing glucose crystallization, the method includes the following steps:

[0043] (1) In the batching tank, adjust the concentration of starch milk to 24°Bé, adjust the pH value to 5.6, add high-temperature-resistant α-amylase, feed the liquid through a high-pressure injection of the liquefaction injector, and add the enzyme for the second continuous liquefaction reaction, Hydrolyze into a liquefied starch liquid; keep the temperature at 85°C; the amount of the high-temperature resistant α-amylase added is: 650mL α-amylase per ton of starch dry matter.

[0044] (2) The liquefied starch liquid enters the vacuum flash cooling system and cools down to 60°C for heat preservation, and at the same time lowers the pH value to 4.9, adds glucoamylase, and enters the saccharification tank for saccharification. Inactivate enzyme; the addition amount of described glucoamylase is: add 550mL α-amylase per ton of starch dr...

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PUM

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Abstract

The invention discloses an optimization method for crystallization of glucose. The optimization method comprises the following steps: adjusting the concentration and pH value of starch milk in a material blending tank, adding high-temperature-resistant alpha-amylase and carrying out primary high-pressure injection and secondary enzymatic continuous liquefaction reaction via a liquefaction injector so as to hydrolyze starch milk into liquefied starch liquid; allowing the liquefied starch liquid to enter a vacuum flash evaporation cooling system, adding glucoamylase, allowing the obtained mixture to enter a saccharification tank for saccharification, carrying out microfiltration, ultrafiltration and decoloring on a saccharified material, and then successively carrying out removal of peculiar smell via a deodorization adsorption resin, concentration and crystallization; and adding purified water to dissolve crystal and successively carrying out nanofiltration, recrystallization, centrifugation, drying, screening and packaging. The optimization method enables a glucose crystallization process to be further optimized, does not cause the environmental protection problems like waste water and residues in the whole process and has the characteristics conservation of energy, reduction in consumption and environmental protection.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to an optimization method for glucose crystallization. Background technique [0002] Glucose (C 6 h 12 0 6 ), also known as dextrose, is an important nutrient, an important energy source for living organisms, the most common monosaccharide and an important basic chemical medicine, and is a component of many sugar compounds. Organic alcohols and sugary raw materials for antibiotics. The production of glucose has gone through the development process of acid method, acid enzyme method and double enzyme method. The production of crystalline glucose in aqueous solution by static crystallization method began in 1921, the production of kinematic crystallization method began in 1924, and the industrial production of oral sugar and crystalline glucose for injection began after 1942. In 1940, the United States began to combine saccharification with acid enzymes to produce high-sw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P19/14C12P19/02
Inventor 严纪文刘永国雷小娟徐勤富许传高
Owner HULUNBEIER NORTHEAST FUFENG BIOTECHNOLOGIES CO LTD
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