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A kind of preparation method of saponin-derived galactomannan

A technology of galactomannan and saponins, which is applied in the field of preparation of galactomannans derived from saponins, can solve the problems of waste of reagents, low yield of galactomannan, complicated extraction steps, etc., and achieve water-soluble Good performance, high polarity, and the effect of increasing yield

Active Publication Date: 2022-07-01
承德康尔润食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a preparation method of galactomannan derived from saponins, to at least solve the technical problems of low galactomannan yield, complicated extraction steps and serious waste of reagents in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The preparation method of the saponin-derived galactomannan of the present embodiment comprises the following steps:

[0030] (1) Take the endosperm of the saponin seeds, and after drying it, pulverize the endosperm of the saponin seeds into particles with a particle diameter of less than or equal to 0.12 mm to obtain a raw material coarse powder. It should be noted that the drying of the endosperm of the saponin seeds can be any one of vacuum freeze drying, microwave drying, and drying drying.

[0031] (2) Disperse the raw material coarse powder in step (1) in 2 L of alcohol extraction liquid per 1 kg of raw material coarse powder, stir evenly, and then stand for 1 h to obtain an alcohol extraction mixed liquid.

[0032] Each 100ml of the alcohol extract contains the following components: 40ml of ethanol with a volume percentage of 30%; 40ml of isopropanol with a volume percentage of 10%; 10ml of n-amyl alcohol with a volume percentage of 5%; The remainder is water. ...

Embodiment 2

[0035] The preparation method of the saponin-derived galactomannan of the present embodiment comprises the following steps:

[0036] (1) Take the endosperm of the saponin seeds, and after drying it, pulverize the endosperm of the saponin seeds into particles with a particle diameter of less than or equal to 0.12 mm to obtain a raw material coarse powder. It should be noted that the drying of the endosperm of the saponin seeds can be any one of vacuum freeze drying, microwave drying, and drying drying.

[0037] (2) Disperse the raw material coarse powder in step (1) in 3 L of alcohol extraction liquid per 1 kg of raw material coarse powder, stir evenly, and then stand for 3 hours to obtain an alcohol extraction mixed liquid.

[0038] Each 100ml of the alcohol extract includes the following components: 40ml of ethanol with a volume percentage of 25%; 40ml of isopropanol with a volume percentage of 15%; 10ml of n-amyl alcohol with a volume percentage of 2%; The remainder is wate...

Embodiment 3

[0041] The preparation method of the saponin-derived galactomannan of the present embodiment comprises the following steps:

[0042] (1) Take the endosperm of the saponin seeds, and after drying it, pulverize the endosperm of the saponin seeds into particles with a particle diameter of less than or equal to 0.12 mm to obtain a raw material coarse powder. It should be noted that the drying of the endosperm of the saponin seeds can be any one of vacuum freeze drying, microwave drying, and drying drying.

[0043] (2) Disperse the raw material coarse powder in step (1) in 2.5 L of alcohol extraction liquid per 1 kg of raw material coarse powder, stir evenly, and then stand for 2 hours to obtain an alcohol extraction mixed liquid.

[0044] Each 100ml of the alcohol extract contains the following components: 40ml of ethanol with a volume percentage of 27%; 40ml of isopropanol with a volume percentage of 12%; 10ml of n-amyl alcohol with a volume percentage of 3%; The remainder is wa...

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Abstract

The invention provides a preparation method of saponin-derived galactomannan, comprising the steps of: taking the endosperm of saponin seeds, drying it and pulverizing it to obtain raw material coarse powder; dispersing the raw material coarse powder in an alcohol extract , to obtain an alcohol extraction mixture; centrifuge the alcohol extraction mixture to obtain a precipitate, which is galactomannan. In the preparation method of saponin-derived galactomannan according to the present invention, the raw material coarse powder obtained by pulverizing the endosperm of saponin seeds is used as a raw material, the raw material coarse powder is dispersed in an alcohol extraction liquid, and the alcohol extraction mixed liquid is centrifuged , the precipitate obtained is galactomannan. The one-step extraction of galactomannan is realized, and the yield of lactomannan is high, and the waste of galactomannan will not be caused.

Description

technical field [0001] The invention belongs to the technical field of polysaccharide preparation, in particular to a preparation method of saponin-derived galactomannan. Background technique [0002] Saponin is one of the unique Hematoxylinaceae acacia species in my country, which has a sticky substance. The main component of the mucilage is galactomannan, which is abundantly present in the endosperm. In the prior art, the method for preparing galactomannan with saponin as raw material mainly adopts alcohol precipitation method. However, due to the different polarities of galactomannans with different molecular weights, the traditional alcohol precipitation method is difficult to extract and purify galactomannans with different molecular weights together, resulting in a low yield of galactomannans. However, the method of using reagents of different concentrations and different polarities to perform alcohol precipitation to extract galactomannan is not only complicated in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/00
CPCC08B37/0087C08B37/0003
Inventor 曹毅张伟苏珊张鲁江崔澜鹤武建
Owner 承德康尔润食品有限公司