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Method for extracting and enriching chiral inositol from buckwheat brans

A technology of chiral inositol and buckwheat bran is applied in the separation/purification and fermentation of hydroxyl compounds, which can solve the problems of severe reaction conditions and low extraction purity.

Inactive Publication Date: 2013-03-20
内蒙古清谷新禾有机食品集团有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for producing D-chiro-inositol using buckwheat bran as raw material to solve the problems of low extraction purity and severe reaction conditions in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Weigh 150 kg of buckwheat bran, add it to an extraction tank, add 350 liters of 20% ethanol, stir at 40°C (rotating speed 150r.p.m), and extract for 2 hours. The extract was filtered and concentrated under reduced pressure at 55°C. Adjust the pH of the above concentrated solution to 4.5, shake for 6 hours in a water bath at 35°C, pump it into a 500-liter storage tank, centrifuge, filter with 150 mesh, filter out the clear liquid, and discard the residue. Apply the concentrate to the pre-loaded macroporous resin. Wait until the concentrated solution is all adsorbed on the tree, washed with water, and then eluted with ethanol to collect the ethanol eluate. The collected ethanol eluate was concentrated. The concentrated liquid is spray-dried, the air inlet temperature is 180-185°C, and the air outlet temperature is 85±2°C to obtain the dry powder of buckwheat chiral inositol extract.

Embodiment 2

[0015] Weigh 150 kg of buckwheat bran, add it to an extraction tank, add 350 liters of 30% ethanol, stir at 50°C (rotating speed 150r.p.m), and extract for 1.5 hours. The extract was filtered and concentrated under reduced pressure at 60°C. Adjust the pH of the concentrated solution to 5.5, shake for 10 hours in a water bath at 45°C, pump it into a 500-liter storage tank, centrifuge, filter cloth with 150 mesh, filter out the clear liquid, and discard the residue. Apply the concentrate to the pre-loaded macroporous resin. Wait until the concentrated solution is all adsorbed on the tree, washed with water, and then eluted with ethanol to collect the ethanol eluate. The collected ethanol eluate was concentrated. The concentrated liquid was spray-dried with an inlet air temperature of 185°C and an outlet temperature of 85±2°C to obtain a dry powder of buckwheat chiral inositol extract.

Embodiment 3

[0017] Weigh 150 kg of buckwheat bran, add it to an extraction tank, add 350 liters of 40% ethanol, stir at 60°C (rotating speed 150r.p.m), and extract for 2 hours. The extract was filtered and concentrated under reduced pressure at 60°C. Adjust the pH of the above concentrated solution to 7, shake for 15 hours in a water bath at 60°C, pump it into a 500-liter storage tank, centrifuge, filter with 150 mesh, filter out the clear liquid, and discard the residue. Apply the concentrate to the pre-loaded macroporous resin. Wait until the concentrated solution is all adsorbed on the tree, washed with water, and then eluted with ethanol to collect the ethanol eluate. The collected ethanol eluate was concentrated. The concentrated liquid was spray-dried with an inlet air temperature of 180°C and an outlet temperature of 85±2°C to obtain a dry powder of buckwheat chiral inositol extract.

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Abstract

The invention provides a method for extracting and enriching chiral inositol from buckwheat brans. D-chiral inositol and D-chiral inositol derivatives are extracted from the buckwheat brans by using a 20%-40% ethanol water solution as an extracting agent; the D-chiral inositol derivatives are translated into D-chiral inositol by adjusting the pH value to an appropriate value and shaking in a water bath after an extracting solution is concentrated; and a product of D-chiral inositol extract is obtained after enrichment via macroporous resin chromatography and condensation.

Description

Technical field [0001] The present invention relates to a production method for extracting D-chiral inositol from buckwheat. Specifically, the present invention relates to a method for extracting D-chiral inositol and its derivatives from buckwheat bran and using buckwheat bran. A method in which the enzyme contained in the skin converts its derivatives into D-chiral inositol. Background technique [0002] With the improvement of people's living standards, faster work pace, and changes in dietary structure, the number of people suffering from diabetes and hyperlipidemia in my country is increasing. At present, it is estimated that there are about 40 million people with diabetes. The effect of Chinese medicine treatment on diabetes is not obvious, and the mechanism of action Unclear, the efficacy is unstable and the side effects are serious. In December 2003, Canadian scientists published their findings: Buckwheat extract can significantly reduce the blood sugar of diabetic rats. ...

Claims

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Application Information

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IPC IPC(8): C07C35/16C07C29/76C12P7/02
Inventor 董建国崔志丰郭金龙
Owner 内蒙古清谷新禾有机食品集团有限责任公司
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