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Oolysaccharide extracted from groundnut meal and extracting method thereof

A peanut meal and polysaccharide technology, applied in the field of biochemistry, can solve the problems that the effective components of peanut meal are not effectively utilized, and the comprehensive economic benefits of peanuts cannot be improved, and achieve good promotion and application prospects, simple and convenient extraction conditions, and increased added value Effect

Inactive Publication Date: 2008-01-16
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the large annual output of peanuts, the advantages of peanut oil have gradually been recognized by people, so now a large number of peanuts are used for oil extraction every year, and the remaining peanut meal after oil extraction can only be used as fish or livestock. Many effective ingredients contained in peanut meal have not been effectively utilized. One of the main reasons for this situation is that there is no suitable method for extracting some active ingredients in peanut meal, so that it is impossible to improve the quality of peanut meal. comprehensive economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Add 1g of pretreated peanut meal to 15ml of 0.1mol / L hydrochloric acid, perchloric acid, chloric acid, hypochlorous acid, hydrofluoric acid, nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic iodine Acid, sulfuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium hydrogen sulfate, potassium hydrogen sulfate, sodium hydrogen phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, chlorine Ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium bisulfate, ammonium dihydrogen phosphate or their mixture, placed in a water bath at 100°C for leaching, after leaching for 60 minutes, take it out, centrifuge at 12000r / m, 4°C for 15 minutes, Pour out the supernatant; then add 95% solvent ethanol (or propanol, acetone, etc.) that can precipitate polysaccharides in a ratio of 1:3 to the supernatant, seal and place until complete precip...

Embodiment 2

[0021] Add 1g of pretreated peanut meal to 15ml of 0.01mol / L hydrochloric acid, perchloric acid, chloric acid, hypochlorous acid, hydrofluoric acid, nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic iodine Acid, sulfuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium hydrogen sulfate, potassium hydrogen sulfate, sodium hydrogen phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, chlorine Ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium bisulfate, ammonium dihydrogen phosphate or their mixed solution, placed in 80°C water bath for leaching, leached for 7 hours, taken out, centrifuged at 2000r / m, 4°C for 15min, Pour out the supernatant; then add 95% ethanol to the supernatant at a ratio of 1:3, seal and place until complete precipitation; finally, centrifuge the ethanol precipitation solution at 2000r / m, 4°C for 15min...

Embodiment 3

[0023] Add 1g of pretreated peanut meal to 200ml of 5.0mol / L hydrochloric acid, perchloric acid, chloric acid, hypochlorous acid, hydrofluoric acid, nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic iodine Acid, sulfuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium hydrogen sulfate, potassium hydrogen sulfate, sodium hydrogen phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, chlorine Ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium bisulfate, ammonium dihydrogen phosphate or their mixture, placed in a 1°C water bath for leaching at a stirring speed of 800r / m, extracted after 60min, and passed through 12000r / m, 4 After centrifuging for 15 minutes at ℃, pour out the supernatant; then add 95% ethanol to the supernatant at a ratio of 1:3, seal and place until complete precipitation; finally, centrifuge the ethanol p...

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PUM

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Abstract

The invention discloses a polysaccharide extracted from peanut meal and an extraction method of the polysaccharide, the extraction steps are as follow: the raw material peanut meal is put into strong acid solution with the concentration of 0.01-5.0 mol / 1, weak acid solution of 0.01 percent to 100wet percent, alkaline solution with the concentration of 0.01-5.0 mol / 1 or water as extracting solution in material to liquid ratio of 1: 10-1: 200 g / ml. Then, the peanut meal is extracted for 1 minute to 7 hours under the conditions of 1 to 100 DEG C and the stirring speed of 0 to 800r / / m and is taken out; the separated solution is obtained after the peanut meal is separated and precipitated centrifugally. Enough solvent for precipitating the polysaccharide is put into the solution to make the polysaccharide precipitate. At last, the precipitated solution is treated centrifugally or filtered to obtain precipitates which is then washed with anhydrous alcohol and acetone a plurality of times, and is frozen and dried to obtain crude polysaccharide. The invention adopts a solution extracting method, acid, alkaline solution or water is usually used as the extracting solution with simple and convenient extracting condition. Moreover, the invention also adopts ultrasonic or microwave as an assistant method for the extraction, therefore, the yield of the polysaccharide is higher with the method, which can improve greatly the added value of the production of the peanut, and has good popularization and application prospect in the industry.

Description

technical field [0001] The invention relates to a polysaccharide extracted from peanut dregs and an extraction method thereof, belonging to the field of biochemistry. Background technique [0002] Due to the large annual output of peanuts, the advantages of peanut oil have gradually been recognized by people, so now a large number of peanuts are used for oil extraction every year, and the remaining peanut meal after oil extraction can only be used as fish or livestock. Many effective ingredients contained in peanut meal have not been effectively utilized. One of the main reasons for this situation is that there is no suitable method for extracting some active ingredients in peanut meal, so that it is impossible to improve the quality of peanut meal. comprehensive economic benefits. Many plant polysaccharides have been widely studied and utilized as natural active and beneficial macromolecular substances. Existing research results have shown that polysaccharides have a serie...

Claims

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Application Information

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IPC IPC(8): C08B37/00
Inventor 王承明任初杰吴谋成薛芳高丽姚华杰
Owner HUAZHONG AGRI UNIV