Sequential simulated moving chromatographic purification method for resistant dextrin

A technology for simulating mobile chromatography and resistant dextrin, which is applied in the field of sequential simulated mobile chromatography for purifying resistant dextrin, can solve the problems of inability to efficiently and continuously purify resistant dextrin, increase resin utilization and improve production efficiency , Reduce the effect of equipment investment

Active Publication Date: 2019-03-08
HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The object of the present invention is to provide a method for purifying resistant dextrin by sequential simulated mobile chromatography,

Method used

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  • Sequential simulated moving chromatographic purification method for resistant dextrin

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Embodiment 1

[0024] This sequential simulated mobile chromatography method for the purification of resistant dextrins:

[0025] Using resistant dextrin preparation solution as raw material, the mass content of resistant dextrin in the resistant dextrin preparation solution is 40%, and the mass content of miscellaneous sugars is 40%; the quality of resistant dextrin preparation solution is The percentage concentration is adjusted to 60%, and the eluent is deionized water; the pretreated resistant dextrin preparation solution is sent to the sequential simulated mobile chromatography;

[0026] The pretreated resistant dextrin preparation solution is purified by sequential simulated mobile chromatography, the sequential simulated mobile chromatography includes 6 chromatographic columns, with 1 inlet, 1 inlet for eluent, and the first outlet 1, 1 second outlet, the eluent inlet is at the front end of the corresponding chromatographic column at the first outlet, and the feed inlet is at the fron...

Embodiment 2

[0034] This sequential simulated mobile chromatography method for the purification of resistant dextrins:

[0035] Using resistant dextrin preparation solution as raw material, the mass content of resistant dextrin in the resistant dextrin preparation solution is 40%, and the mass content of miscellaneous sugars is 40%; the quality of resistant dextrin preparation solution is The percentage concentration is adjusted to 60%, and the eluent is deionized water; the pretreated resistant dextrin preparation solution is sent to the sequential simulated mobile chromatography;

[0036] Sequential simulated mobile chromatography for purifying the pretreated resistant dextrin preparation, the sequential simulated mobile chromatography is the same as in Example 1, the process of sequentially simulated mobile chromatography for continuous purification of spectrum resistant dextrin:

[0037]The first stage: feeding material, eluent and discharging at the same time. Column 1 enters eluent ...

Embodiment 3

[0044] This sequential simulated mobile chromatography method for the purification of resistant dextrins:

[0045] Using resistant dextrin preparation solution as raw material, the mass content of resistant dextrin in the resistant dextrin preparation solution is 40%, and the mass content of miscellaneous sugars is 40%; the quality of resistant dextrin preparation solution is The percentage concentration is adjusted to 60%, and the eluent is deionized water; the pretreated resistant dextrin preparation solution is sent to the sequential simulated mobile chromatography;

[0046] Sequential simulated mobile chromatography for purifying the pretreated resistant dextrin preparation, the sequential simulated mobile chromatography is the same as in Example 1, the process of sequentially simulated mobile chromatography for continuous purification of spectrum resistant dextrin:

[0047] The first stage: feeding material, eluent and discharging at the same time. Column 1 enters eluent...

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Abstract

The invention relates to a sequential simulated moving chromatographic purification method for resistant dextrin. According to the method, a resistant dextrin preparation liquid is taken as a raw material and contains 40% of resistant dextrin and 40% by mass of impurity sugars; concentration of the pretreated resistant dextrin preparation liquid is regulated to be 60%, and deionized water is usedas an eluent; for sequential simulated moving chromatographic purification of the resistant dextrin preparation liquid, in a first stage, the resistant dextrin preparation liquid and the eluent are fed into a system simultaneously, and discharge is performed at the same time; in a second stage, materials are not fed or discharged, large cycle is performed, and liquid flows from column 1 to column6; in a third stage, only the deionized water as the eluent is fed from the column 1, and part of resistant dextrin components is discharged from a discharge port in the lower end of column 5; a feedport, an eluent feed port, a first discharge port and a second discharge port are moved to next column from the column 1 to the column 6 sequentially to repeat purification cycle until purification isended. The process has low operation cost, and continuous production can be realized.

Description

1. Technical field: [0001] The invention relates to a sequential simulated mobile chromatography separation and purification technology in the field of food industry, in particular to a sequential simulated mobile chromatography purification method for resistant dextrin. 2. Background technology: [0002] Due to changes in social structure, eating habits and food composition have changed, and the intake of dietary fiber is also decreasing year by year. However, with the deepening understanding of the relationship between dietary fiber and human body functions, the importance of dietary fiber is also increasing. It has been recognized by the world, and the demand for it has also continued to increase. [0003] Resistant dextrin is a low-viscosity water-soluble dietary fiber, which has the characteristics of low sweetness, low calorie, heat resistance, acid resistance, and difficult fermentation. It can regulate human intestinal flora, improve blood sugar and fat metabolism, a...

Claims

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Application Information

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IPC IPC(8): C08B30/18
CPCC08B30/18
Inventor 李良玉李朝阳刁静静贾鹏禹曹龙奎
Owner HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
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