Method for extracting high purity glucose and functional oligose from crystalline glucose mother liquid

A technology of functional oligosaccharides and crystallized glucose, which is applied in the direction of glucose production, sugar production, sugar production, etc., can solve the problems of oligosaccharides not being utilized and recycling, and achieve small production sites and low production costs , The effect of high resin utilization

Inactive Publication Date: 2006-01-04
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Concentrated acid and concentrated alkali are used as catalysts in many production processes, and their recovery is generally problematic; and the oligosaccharides in the mother liquor are not utilized

Method used

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  • Method for extracting high purity glucose and functional oligose from crystalline glucose mother liquid
  • Method for extracting high purity glucose and functional oligose from crystalline glucose mother liquid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The feed liquid is crystallized glucose mother liquor, its concentration is about 64.6%, of which glucose content is 74.48%, mannose 5.17%, disaccharide 11.76%, trisaccharide 4.70%, tetrasaccharide and above 3.62%; in addition, fructose 0.27% , the mother liquor is passed through the simulated moving bed, and the operating conditions of the simulated moving bed are as follows: separation temperature 65°C, system pressure 1.1Mpa, feeding amount of feed liquid is 1L / h, feeding amount of eluting water is 3.5L / h, feeding Equilibrium was reached after 24 hours. The output obtained is as follows:

[0026] 1) Glucose part: the product sugar liquid concentration ~ 42%, wherein the glucose content is 95.8%.

[0027] 2) Functional oligosaccharides: the concentration of the product's sugar solution is ~9.5%, the content of polysaccharides is ~60%, and the content of glucose is 35.8%.

Embodiment 2

[0029] The feed liquid is crystallized glucose mother liquor, its concentration is about 48.3%; the content of glucose is 78.1%, disaccharide 12.7%, trisaccharide and above 5.8%, fructose etc. 3.5%, this mother liquor is passed through the simulated moving bed, simulated moving bed operation The conditions are as follows: the separation temperature is 70°C, the system pressure is 1.1Mpa, the feeding amount of the feed liquid is 1L / h, the feeding amount of the eluting water is 3.5L / h, and the feed reaches equilibrium after 24 hours. The output is as follows:

[0030] 1) Glucose part: the concentration of the product sugar solution is ~27%, of which the glucose content is 97.1%,

[0031] 2) Functional oligosaccharides: product sugar solution concentration 5.3%, of which glucose 17.52%; maltose 21.60%; isomaltose 20.58%; maltotriose 4.07%; panose 16.11%; tetrasaccharides and above 20.00%.

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Abstract

The present invention provides a method of extracting high purity glucose and functional oligose form crystalline glucose mother liquid, and relates to the preparation technology of high purity glucose and functional oligose. By means of synthesizing special resin and analog mobile bed technology, the present invention separates and prepares high purity glucose and functional oligose form crystalline glucose mother liquid. The specific process is that crystalline glucose mother liquid is made to pass through chromatographic analog mobile bed system to separate glucose from functional oligose completely with water as elutent and at the operation temperature of 35-95 deg c to obtain the component with rich glucose and the component with rich functional oligose.

Description

technical field [0001] The invention relates to a method for preparing high-purity glucose and functional oligosaccharides. Specifically, it relates to the clever use of special resin and simulated moving bed technology to separate and prepare high-purity glucose and functional oligosaccharides from crystallized glucose mother liquor. Background technique [0002] Glucose is the most common monosaccharide substance and an important basic chemical medicine, and one of the main energy substances of the human body and animals. The industrial production of glucose is based on starch as raw material, which is hydrolyzed by acid method, acid enzyme method or double enzyme method. That is, after the saccharification reaction, it is obtained by crystallization, separation and drying. Every 100,000 tons of crystallized glucose will produce 30,000 tons of glucose mother liquor (which has been crystallized many times). In the mother liquor of glucose, it generally contains ~50% dry m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13K1/10
Inventor 彭奇均
Owner JIANGNAN UNIV
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