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Method for extracting auricularia polytricha sacc polysaccharide and non-water soluble dietary fibers

A water-insoluble, dietary fiber technology, applied in polysaccharide/gum-containing food ingredients, food preparation, food science, etc., can solve the problem of mulberry fungus, etc., and achieve the effect of good anticoagulant effect and high nutritional value.

Inactive Publication Date: 2015-04-08
广西科学院生物研究所有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the present invention also relates to the extraction of Auricularia auriculae, there is no introduction to the targeted extraction of Auricularia mulberry. At the same time, the extraction method of this invention mainly obtains polysaccharides after protease treatment, and then mixes them with dietary fiber to obtain products. Although the method is feasible , but the fungus also contains a large amount of non-water-soluble dietary fiber, and this invention does not extract and utilize the dietary fiber in the edible fungus

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 Method 1 of Parallel Extraction of Auricularia auricosa Polysaccharides and Water-insoluble Dietary Fiber by Utilizing Auricularia mulberry

[0022] (1) Take fresh Auricularia mulberry stalks and dry them at 40°C for 4.5 hours until the moisture content is less than 12% to obtain dried Auricularia mulberry stalks;

[0023] (2) Superfinely pulverize the dried mulberry fungus and pass through a 500-mesh sieve to obtain superfine powder of the fungus;

[0024] (3) Take the superfine powder of Auricularia auriculae, add pure water, the weight ratio of material to water is 1:30, stir evenly, heat and extract at 85°C for 2 hours, and filter;

[0025] (4) Cool the filtrate to normal temperature, centrifuge at 5000 rpm in a centrifuge, remove the supernatant to obtain a precipitate, and dry the precipitate at 60°C to obtain the Auricularia auricula polysaccharide;

[0026] (5) Treat the filter residue obtained in step (3) with protease. The process parameters are as...

Embodiment 2

[0028] Example 2 Method 2 of extracting Auricularia auricula polysaccharides and water-insoluble dietary fiber in parallel by using Auricularia mulberry

[0029] (1) Take fresh Auricularia mulberry stalks and dry them at 20°C for 4 hours until the moisture content is less than 12% to obtain dried Auricularia mulberry stalks;

[0030] (2) Superfinely pulverize the dried mulberry fungus and pass through a 800-mesh sieve to obtain superfine powder of the fungus;

[0031] (3) Take the superfine powder of Auricularia auriculae, add pure water, the weight ratio of material to water is 1:30, stir evenly, heat and extract at 90°C for 3 hours, and filter;

[0032] (4) Cool the filtrate to room temperature and perform microfiltration membrane filtration. The pore size of the microfiltration membrane is 300nm, and the obtained filter residue is dried at 60°C to obtain the polysaccharide of Auricularia officinalis;

[0033] (5) Treat the filter residue obtained in step (3) with proteas...

Embodiment 3

[0035] Example 3 Method 3 of extracting Auricularia auricula polysaccharides and water-insoluble dietary fiber in parallel by using Auricularia mulberry

[0036] (1) Take fresh Auricularia mulberry stalks and dry them at 10°C for 2 hours until the water content is less than 12% to obtain dried Auricularia mulberry stalks;

[0037] (2) Superfinely pulverize the dried mulberry fungus and pass through a 1000-mesh sieve to obtain superfine powder of the fungus;

[0038] (3) Take the superfine powder of Auricularia auriculae, add pure water, the weight ratio of material to water is 1:30, stir evenly, heat and extract at 90°C for 3 hours, and filter;

[0039] (4) Cool the filtrate to normal temperature, centrifuge at 10,000 rpm in a centrifuge, remove the supernatant to obtain a precipitate, dry the precipitate at 60°C to obtain Auricularia auricula polysaccharide; or cool the filtrate to normal temperature for ultrafiltration membrane filtration, The pore size of the ultrafiltra...

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PUM

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Abstract

The invention discloses a method for extracting auricularia polytricha sacc polysaccharide and non-water soluble dietary fibers. The method comprises the following steps: by taking fresh mulberry auricularia polytricha, carrying out low-temperature drying, ultrafine crushing, insulation and extraction and filtration to obtain a filtrate and a filter residue; centrifugalizing the filtrate to obtain a precipitate (filtering the filtrate by virtue of a micro-filtration membrane or an ultrafiltration membrane) and drying to obtain auricularia polytricha sacc polysaccharide; and treating the filter residue by protease to obtain dietary fibers. The extraction method not only can be used for obtaining polysaccharide and dietary fibers rich in nutritional value, but also can use leftover of waste liquor generated in the extraction process as a liquid fertilizer source in planting industry or a nutrient in the breeding industry, so that basic zero emission of pollutants can be achieved.

Description

technical field [0001] The invention belongs to the technical field of biochemical engineering, and in particular relates to a technique for parallel extraction of polysaccharides and water-insoluble dietary fiber from fungus mulberry. Background technique [0002] Internationally, polysaccharides from edible fungi are called "Biological Response Modulators", or "BRM" for short. Studies have shown that polysaccharides have the characteristics of biological response regulators and can be used as immune enhancers and immune activators. It also has anti-bacterial, anti-viral and anti-coagulation effects, improves liver function and detoxification, improves animal hypoxia resistance and oxygen utilization, reduces blood viscosity, increases myocardial contractility, improves heart rhythm, and lowers blood sugar , sedation, analgesia, asthma, cough, phlegm effect. [0003] Dietary fiber includes cellulose, lignin, wax, chitin, pectin, β-glucan, inulin and oligosaccharides, etc.,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/236A23L1/308A23L33/125A23L33/21
CPCC08B37/00A23V2002/00A23V2250/51A23V2250/5116
Inventor 何达崇黄晓文李发盛黄雪星黄初发
Owner 广西科学院生物研究所有限责任公司
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