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Method for extracting pectin polysaccharides from soybean hulls

The technology of a pectin polysaccharide and an extraction method is applied in the field of extraction of pectin polysaccharide in soybean hulls, which can solve the problems of using toxic reagents, complicated operation process and high extraction cost, and achieves the promotion of flocculation and precipitation, the method is simple and efficient, and the precipitation time is shortened. Effect

Inactive Publication Date: 2017-01-11
邵玉华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented process allows for extraction of pigments like citric acid (Cit) from soymayed crop material that has been previously treated or processed beforehand without affecting its quality. By this new technology, there'll save money on producing these materials while also improving their overall performance compared to existing methods such as chemical treatments. Additionally, the use of specific types of microorganisms helps improve the solubility of certain compounds found naturally occurring within them during processing.

Problems solved by technology

This patented technical problem addressed in this patent involves extracting useful components from soymilks that contain impurities such as phytate or other compounds found naturally within them (plant cells). Current techniques involve complicated operations with harmful solvents like acids for better results.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0020] A method for extracting pectin polysaccharides in soybean hulls, specifically comprising the following steps:

[0021] (1) Homogenization: Grind soybean hulls and pass through a 80-mesh sieve to obtain soybean hull powder. Add distilled water 4 times the weight of soybean hull powder to soybean hull powder, heat to 71°C, and homogenize at 36MPa for 60 seconds. Homogenize at 13MPa for 30 seconds, save soaking and beating time, save water, prevent nutrient loss, cool to 45~50°C, and obtain soybean hull pulp;

[0022] (2) Fermentation: Add lactic acid bacteria to soybean hulls to make the concentration 2% (v / v), mix evenly, and ferment at 40°C for 15 hours to decompose protein in soybean hulls, reduce impurities, slowly adjust pH, and promote Pectin polysaccharides were precipitated, centrifuged at 8000 rpm for 10 minutes, and the sediment was removed to obtain soybean hull fermentation liquid;

[0023] (3) Concentration: heat the fermented soybean hulls to 90°C, keep it ...

Embodiment 2

[0031] A method for extracting pectin polysaccharides in soybean hulls, specifically comprising the following steps:

[0032] (1) Homogenization: Grind green bean hulls and pass through a 100-mesh sieve to obtain soybean hull powder. Add distilled water 5 times the weight of soybean hull powder to soybean hull powder, heat to 72°C, and homogenize at 37MPa for 65 seconds. Homogenize at 14MPa for 35 seconds, save soaking and beating time, save water, prevent nutrient loss, cool to 45~50°C, and obtain soybean hull pulp;

[0033] (2) Fermentation: Add lactic acid bacteria to soybean hulls to make the concentration 2% (v / v), mix evenly, and ferment at a constant temperature of 41°C for 16 hours to decompose protein in soybean hulls, reduce impurities, slowly adjust pH, and promote Precipitate pectin polysaccharide, centrifuge at 8000 rpm for 11 minutes, remove sediment, and obtain soybean hull fermentation liquid;

[0034] (3) Concentration: heat the fermented soybean hulls to 93°...

Embodiment 3

[0042] A method for extracting pectin polysaccharides in soybean hulls, specifically comprising the following steps:

[0043] (1) Homogenization: crush black soybean hulls and pass through a 100-mesh sieve to obtain soybean hull powder. Add distilled water 5 times the weight of soybean hull powder to soybean hull powder, heat to 73°C, and homogenize at 38MPa for 70 seconds. Homogenize at 15MPa for 40 seconds, save soaking and beating time, save water, prevent nutrient loss, cool to 45~50°C, and obtain soybean hull pulp;

[0044] (2) Fermentation: Add lactic acid bacteria to soybean hulls to make the concentration 3% (v / v), mix evenly, and ferment at 42°C for 17 hours to decompose protein in soybean hulls, reduce impurities, slowly adjust pH, and promote Precipitate pectin polysaccharide, centrifuge at 8000 rpm for 12 minutes, remove sediment, and obtain soybean hull fermentation liquid;

[0045] (3) Concentration: heat the fermented soybean hulls to 95°C, keep warm for 25 min...

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PUM

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Abstract

The invention discloses a method for extracting pectin polysaccharides from soybean hulls. The method includes (1) homogenizing, (2) fermenting, (3) concentrating, (4) decoloring, (5) drying and (6) packing. The method for extracting the pectin polysaccharides from the soybean hulls has the advantages that the pectin polysaccharides are faint yellow, the method is simple, efficient and capable of achieving large-scale production, working efficiency is improved by 11.7%, yield reaches 32.83%, purity is 76.43% and production cost is saved by 13.4%; since the soybean hulls are ground and homogenized by direct addition of water, a great amount of soaking time and production cost are saved; through fermentation of multiple kinds of lactic acid bacteria, the pectin polysaccharides separate out more easily under the joint action of multiple kinds of fermentation products, so that the yield is increased fundamentally; soybean hull fermentation liquor only needs to be heated and boiled for a short time prior to concentration, and accordingly energy is saved and ethyl alcohol consumption is reduced; low-temperature precipitation after addition of ethyl alcohol promotes the pectin polysaccharides to generate flocculent precipitate, so that precipitating time is shortened remarkably.

Description

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Claims

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Application Information

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Owner 邵玉华
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