Method for preparing glycitein by taking bean germ as raw material

A technology of glycitein and soybean navel, which is applied to the preparation of sugar derivatives, chemical instruments and methods, sugar derivatives, etc., can solve the problem of no detection of soybean isoflavones, etc., and achieve the effect of low cost and simple method

Active Publication Date: 2019-12-06
SHANDONG YUWANG ECOLOGY FOOD IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And when adopting n-hexane or sherwood oil or 6# gasoline in the prior art to remove the oil in soybean meal and soybean as a solvent, soybean isoflavones are not detected in the oil extracted

Method used

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  • Method for preparing glycitein by taking bean germ as raw material
  • Method for preparing glycitein by taking bean germ as raw material
  • Method for preparing glycitein by taking bean germ as raw material

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Take 100g of bean navel powder of 80-100 mesh, add 550mL of 60% ethanol, stir and extract at 50°C for 1h, and spin-evaporate 400mL of the filtrate until the dry matter is 2g. Add 20 mL of n-hexane to the dry matter, shake and extract for 10 min, centrifuge at 1000-1500 r / min for 5 min, discard the supernatant to obtain residue. Add 20 mL of ethyl acetate to the slag, shake and extract for 15 minutes, centrifuge at 1000-1500 r / min for 10 minutes to obtain the supernatant, remove the ethyl acetate by rotary evaporation to obtain 10.7 mg glycitein, the purity of glycitein is 88%.

Embodiment 2

[0040] Take 100g of bean navel powder of 80-100 mesh, add 600mL of 55% ethanol, stir and extract at 60°C for 1h, and spin-evaporate 450mL of the filtrate until the dry matter is 1.5g. Add 15 mL of n-hexane to the dry substance, shake and extract for 20 minutes, centrifuge at 1000-1500 r / min for 10 minutes, discard the supernatant to obtain residue. Add 15 mL of ethyl acetate to the slag, extract by shaking for 20 min, centrifuge at 1000-1500 r / min for 5 min to obtain the supernatant, remove the ethyl acetate by rotary evaporation to obtain 11 mg of glycitein, the purity of glycitein is 90%.

Embodiment 3

[0042] Take 100g of bean navel powder of 80-100 mesh, add 500mL of 65% ethanol, stir and extract at 55°C for 45 minutes, and spin-evaporate 350mL of the filtrate until the dry matter is 2g. Add 20 mL of n-hexane to the dry substance, shake and extract for 15 minutes, centrifuge at 1000-1500 r / min for 8 minutes, discard the supernatant to obtain residue. Add 20 mL of ethyl acetate to the slag, extract by shaking for 20 min, centrifuge at 1000-1500 r / min for 8 min to obtain the supernatant, remove the ethyl acetate by rotary evaporation to obtain 10.4 mg glycitein, the purity of glycitein is 88%.

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Abstract

The invention discloses a method for preparing glycitein by taking bean germ as a raw material. The method comprises the following steps: conducting extracting on 80-100-mesh bean germ powder in 55-65% ethanol for 45-60 minutes to obtain an extracting solution, wherein 500-600ml of an ethanol solution is added into every 100g of the bean germ powder, and evaporating the extracting solution to dryness to obtain dry residues; adding n-hexane into the dry residues for extraction, and then discarding an n-hexane supernate to obtain residues; and adding ethyl acetate into the residues for extraction, conducting centrifugation to obtain a supernate, and evaporating the supernate to dryness to obtain the glycitein. When the bean germ powder is subjected to extraction by a specific process, single-component isoflavone-glycitein can be extracted, and a glycitein pure product is obtained after n-hexane degreasing and impurity removal by ethyl acetate. The method is simple, rapid, low in cost andsuitable for industrial production.

Description

technical field [0001] The invention specifically relates to a method for preparing glycitein from soybean navel. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Soybean is a traditional food in my country, which contains a large number of physiologically active substances, including oligosaccharides, phospholipids, vitamins, isoflavones and soybean saponins, etc. With the continuous deepening of research on soybean functional components, the comprehensive development and utilization of soybean It is getting more and more attention from all over the world. The soybean navel, also known as the germ, is an important part of the soybean seed. Soy germ contains 28% protein, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H1/08C07H17/07
CPCC07H1/08C07H17/07
Inventor 刘汝萃鲁绪强韩亮刘代成董欣伟时玉强崔玉涛刘杰
Owner SHANDONG YUWANG ECOLOGY FOOD IND
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