Method for extracting D-chiro-inositol from buckwheat husks

A technology for chiral inositol and buckwheat bran, which is applied in the field of D-chiro-inositol, extraction of D-chiro-inositol and derivatives thereof, can solve the problems of poor resource utilization, low extraction purity, etc. safe effect

Inactive Publication Date: 2007-11-28
RES INST OF AGRO PROD PROCESSING SHANXI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method for producing D-chiro-inositol monomer with buckwheat bran as raw material, so as to solve the problems of low extraction purity and poor resource utilization in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Weigh 3Kg tartary buckwheat bran, put it in a stainless steel bucket after removing impurities, add 30L 60% ethanol aqueous solution, stir at 50°C for 30min, centrifugally filter, add 30L 60% ethanol aqueous solution to the filter residue for extraction once, and discard residue, the two filtrates were combined, concentrated under reduced pressure and the solvent was recovered and left standing overnight, and the flavonoids were separated and further refined. The filtrate was further concentrated to 1 / 3 of the original volume, placed in an autoclave, and hydrolyzed at 2.0MPa, 217.7°C for 60min. After the hydrolyzate was decolorized by 10% (V / W) activated carbon, it passed through a 201×7 type strongly basic anion exchange resin column and a 001×7 type strongly acidic cation exchange resin column at a speed of 5mL / min, and used 3 times the column volume The resin column was eluted with distilled water. The eluate is concentrated under reduced pressure to produce a finis...

Embodiment 2

[0020] Weigh 3kg tartary buckwheat bran, remove impurities, add 60L of distilled water, stir and extract at 25°C for 24h, centrifuge to discard the residue, concentrate under reduced pressure to 1 / 5 of the original volume, and hydrolyze at 2.6Mpa, 231°C for 30min. The hydrolyzate was decolorized by 10% (V / W) activated carbon, passed through a 201×7 type strongly basic anion exchange resin column and a 001×7 type strongly acidic cation exchange resin column at a speed of 5mL / min, and washed with 3 times the column volume of distilled water Elute the resin column. The eluate is concentrated under reduced pressure to produce a finished product of D-chiro-inositol extract.

Embodiment 3

[0022] Weigh 3kg of sweet buckwheat bran, after removing impurities, add 45L of distilled water, stir and extract at 30°C for 24h, centrifuge to discard the residue, concentrate the extract under reduced pressure to 1 / 5 of the original volume, and hydrolyze at 2.0Mpa, 217.7°C for 60min . After the hydrolyzate was decolorized by 10% (V / W) activated carbon, it passed through a 201×7 type strongly basic anion exchange resin column and a 001×7 type strongly acidic cation exchange resin column at a speed of 5mL / min, and used 3 times the column volume The resin column was eluted with distilled water. The eluate is concentrated under reduced pressure to produce a finished product of D-chiro-inositol extract.

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Abstract

The process of extracting D-chiral inositol from buckwheat bran includes: extracting D-chiral inositol and its derivative from buckwheat bran with water or water solution of alcohol in the concentration up to 60 %, filtering the extracted liquid and concentrating, hydrolyzing to convert the D-chiral inositol derivative into D-chiral inositol, decolorizing with active carbon, separating and refining in ion exchange resin, and concentrating to obtain D-chiral inositol product. The present invention extracts D-chiral inositol from buckwheat bran as the side product of buckwheat powder and has high resource utilizing rate, and the extract has D-chiral inositol content as high as 40 %.

Description

technical field [0001] The present invention relates to a kind of production method of extracting D-chiro-inositol from buckwheat, specifically, the present invention relates to a kind of extracting D-chiro-inositol and derivative thereof from buckwheat bran, and its derivative Method for conversion to D-chiro-inositol. Background technique [0002] Diabetes is a lifelong disease caused by the lack of insulin in the human body or the inability of insulin to function effectively. Impaired glucose tolerance is an early change in blood sugar homeostasis, with early damage to β cells, accompanied by insulin resistance syndrome, reflecting transition from normoglycemia to diabetes. Studies have found that impaired glucose tolerance is also a risk factor for cardiovascular disease, obesity, hypertension, dyslipidemia, hyperinsulinemia, microalbuminuria, and an independent risk factor for cancer mortality. [0003] Scientific research has proved that D-chiro-inositol (DCI) plays ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C35/16C07C29/74
Inventor 边俊生陕方任贵兴李红梅胡俊君孙秋雁邓晓燕李云龙
Owner RES INST OF AGRO PROD PROCESSING SHANXI ACADEMY OF AGRI SCI
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