A method for purifying resistant dextrin by sequential simulated mobile chromatography

A technology for simulating mobile chromatography and resistant dextrin, which is applied in the field of sequential simulated mobile chromatography separation and purification, can solve problems such as inability to efficiently and continuously purify resistant dextrin, and achieves increased resin utilization, production efficiency, and operating costs. low effect

Active Publication Date: 2021-07-13
HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The purpose of the present invention is to provide a method for purifying resistant dextrin by sequential simulated mobile chromatography, which is used to solve the problem of inability to efficiently and continuously purify resistant dextrin in the prior art. The Dextrin Conundrum

Method used

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  • A method for purifying resistant dextrin by sequential simulated mobile chromatography

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Embodiment 1

[0029] This sequential simulated mobile chromatography method for the purification of resistant dextrins:

[0030] 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;

[0031] 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

[0039] This sequential simulated mobile chromatography method for the purification of resistant dextrins:

[0040] 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;

[0041]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:

[0042] The first stage: feeding material, eluent and discharging at the same time. Column 1 enters eluent ...

Embodiment 3

[0049] This sequential simulated mobile chromatography method for the purification of resistant dextrins:

[0050] 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;

[0051] 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:

[0052] 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 method for purifying resistant dextrin by sequential simulated mobile chromatography. The method uses a preparation solution of resistant dextrin as a raw material, wherein the content of resistant dextrin is 40%, and the mass content of miscellaneous sugars is 40%. After pretreatment, the concentration of the resistant dextrin preparation solution is adjusted to 60%, and the eluent is deionized water; the pretreated resistant dextrin preparation solution is purified by sequential simulated mobile chromatography, the first stage: the system simultaneously enters the resistant dextrin preparation solution Dextrin preparation liquid, enter eluent, and discharge; second stage: the material does not enter and exit, and a large cycle is carried out, and the direction of liquid flow is from column 1 to column 6; third stage: only enter eluent for deionization Water, eluent deionized water into column 1, part of the resistant dextrin component from the outlet at the lower end of column 5; feed inlet, eluent inlet, first outlet, and second outlet Move to the next column sequentially along the direction of column 1 to column 6, and repeat the purification cycle until the purification is completed. The process of the invention has low operating cost and can be continuously produced.

Description

[0001] 1. Technical field: [0002] 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. [0003] 2. Background technology: [0004] 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. [0005] 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 fa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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