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Isomerization method for glucose in fructose production process

A production process and glucose technology are applied in the field of medical fructose production technology and equipment to achieve the effects of increased stability, simplified purification and separation, and improved yield of finished products

Inactive Publication Date: 2016-01-20
邓和超 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In the above third fructose production method, it is mentioned that when liquid glucose syrup is used as raw material, crystalline fructose can only be produced after purification and enzymatic isomerization; however, there is no public literature on the isomerase and process it uses to report

Method used

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  • Isomerization method for glucose in fructose production process
  • Isomerization method for glucose in fructose production process
  • Isomerization method for glucose in fructose production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The isomerization method of glucose in the fructose production process, the process steps are as follows: the glucose enriched liquid obtained in the fructose syrup separation process is first evaporated and concentrated, then isomerized, and then the subsequent treatment of glucose liquid isomerization is carried out, and finally 42% fructose was recovered.

[0055] The fructose syrup is separated by chromatographic separation to obtain fructose-enriched liquid and glucose-enriched liquid, the type of chromatographic separation resin is PCR-642; wet basis volume exchange capacity: 1.5; ion form: calcium type; separation The obtained glucose: the fructose content is 4%; the dry matter concentration is 18%; the material is clear, bright and free of impurities.

[0056] The evaporation and concentration of the glucose enriched liquid adopts thermal steam recompression and three-stage downstream plate evaporation. The feed concentration of the plate evaporation system is 2...

Embodiment 2

[0061] The isomerization method of glucose in the fructose production process, the process steps are as follows: the glucose enriched liquid obtained in the fructose syrup separation process is first evaporated and concentrated, then isomerized, and then the subsequent treatment of glucose liquid isomerization is carried out, and finally 42% fructose was recovered.

[0062] The fructose syrup is separated by chromatographic separation to obtain fructose-enriched liquid and glucose-enriched liquid, the type of chromatographic separation resin is PCR-642; wet basis volume exchange capacity: 1.5; ion form: calcium type; separation The obtained glucose: the fructose content is 5%; the dry matter concentration is 22%; the material is clear, bright and free of impurities.

[0063] The evaporation and concentration of the glucose enriched liquid adopts thermal steam recompression and three-stage downstream plate evaporation. The feed concentration of the plate evaporation system is 4...

Embodiment 3

[0068] The isomerization method of glucose in the fructose production process, the process steps are as follows: the glucose enriched liquid obtained in the fructose syrup separation process is first evaporated and concentrated, then isomerized, and then the subsequent treatment of glucose liquid isomerization is carried out, and finally 42% fructose was recovered.

[0069] The fructose syrup is separated by chromatographic separation to obtain fructose-enriched liquid and glucose-enriched liquid, the type of chromatographic separation resin is PCR-642; wet basis volume exchange capacity: 1.5; ion form: calcium type; separation The obtained glucose: the fructose content is 5%; the dry matter concentration is 22%; the material is clear, bright and free of impurities.

[0070] The evaporation and concentration of the glucose enriched liquid adopts thermal steam recompression and three-stage downstream plate evaporation. The feed concentration of the plate evaporation system is 4...

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Abstract

An isomerization method for glucose in a fructose production process is characterized by comprising technological steps as follows: a glucose rich liquid obtained in a high fructose corn syrup separation process is subjected to evaporation and concentration firstly and then is isomerized, the glucose liquid is subjected to follow-up treatment after isomerization, and 42% of fructose is recovered finally. The glucose rich liquid after evaporation and concentration is subjected to isomeric transformation with glucose isomerase, about 42% of fructose is recovered, and accordingly, the yield of finished products is increased.

Description

technical field [0001] The invention belongs to the field of medical fructose production technology and equipment, in particular to a glucose isomerization method in the fructose production process. Background technique [0002] Fructose, also known as dextrose, is a monosaccharide, the full name is D-arabinoketohexose, and the molecular formula is C 5 h 12 o 5 CO, whose biochemical name is abbreviated as F, is a prismatic crystal with a melting point of 103-105°C and a sweetness of 1.3-1.8 times that of sucrose (better eaten in cold storage). It is the sweetest natural sweetener and exists in large quantities in free form In honey and fruit juice, it combines with glucose to form sucrose for daily consumption. Pure fructose is a white crystal, easy to absorb moisture, not easy to crystallize, usually viscous liquid, soluble in water and ethanol, insoluble in ether. [0003] Fructose products are usually divided into two categories: anhydrous crystalline fructose contain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P19/02
Inventor 邓和超林树仁
Owner 邓和超
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