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Method for preparing Agaricus blazei Murrill active polysaccharide

A technology of active polysaccharides and production methods, applied in food preparation, food science, applications, etc., can solve problems such as operational safety and environmental problems, and achieve the effects of reducing hydrophobicity, improving utilization rate, and good selectivity

Inactive Publication Date: 2006-11-29
JILIN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the traditional organic solvent method is used to remove the lipids of Agaricus blazei, there are operational safety and environmental problems.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1. Pretreatment of Agaricus Blazei

[0021] Rinse the fresh Agaricus blazei gently with running water at 15°C-20°C, remove inedible impurities, drain, and carry out centrifugal dehydration at 2000 rpm to keep the water content in a natural state, and then dry it at 60°C- Drying with hot air at 80°C to make the water content less than 8%, and crushing the dried Agaricus blazei powder to obtain Agaricus blazei powder with a particle size of less than 1mm.

[0022] 2. Degreasing and deodorizing treatment

[0023] Supercritical CO 2 Fluid extraction, extraction pressure 8MPa, temperature 32°C, time 60 minutes, CO 2 The flow rate is 20L / h. The extracted agaricus blazei powder is light yellow in color, has a pure almond flavor, has no foreign smell, and has a lipid content of less than 0.2%. The extract is a golden yellow lipid substance, and the main component is linoleic acid.

[0024] 3. Extraction of water-soluble Agaricus blazei polysaccharides

[0025] In 1 part (...

Embodiment 2

[0031] 1. Pretreatment of Agaricus Blazei

[0032] Rinse fresh Agaricus blazei with running water at 15°C to 20°C to remove inedible impurities. Drain, and carry out centrifugal dehydration under the condition of 2000 rpm to make the water content in a natural state, then vacuum-dry at 45°C to 60°C and a pressure of less than 0.08MPa to make the water content less than 8%. The dried Agaricus blazei is crushed to obtain Agaricus blazei powder with a particle size of less than 1 mm.

[0033] 2. Degreasing and deodorizing treatment

[0034] Supercritical CO 2 Fluid extraction, extraction pressure 20MPa, temperature 40°C, time 80 minutes, CO 2 The flow rate is 25L / h. The extracted agaricus blazei powder is light yellow in color, has a pure almond flavor, has no foreign smell, and has a lipid content of less than 0.2%. The extract is a golden yellow lipid substance, and the main component is linoleic acid.

[0035] 3. Extraction of water-soluble Agaricus blazei polysaccharide...

Embodiment 3

[0042] 1. Pretreatment of Agaricus Blazei

[0043] With embodiment 1.

[0044] 2. Degreasing and deodorizing treatment

[0045] Supercritical CO 2 Fluid extraction, extraction pressure 30MPa, temperature 50°C, time 90 minutes, CO 2 The flow rate is 30L / h. The extracted agaricus blazei powder is light yellow in color, has a pure almond flavor, has no foreign smell, and has a lipid content of less than 0.2%. The extract is a golden yellow lipid substance, and the main component is linoleic acid.

[0046] 3. Extraction of water-soluble Agaricus blazei polysaccharides

[0047] In 1 part (mass parts) via supercritical CO 2Add 20 parts (parts by mass) of drinking water to the Agaricus blazei powder treated by fluid extraction, stir evenly, and keep it at a temperature of 100°C for 70 minutes to fully dissolve the water-soluble polysaccharide, and the extraction rate of the water-soluble Agaricus blazei polysaccharide is as high as 98%. , and does not destroy the physical and ...

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Abstract

A method for preparing pine mushroom active polysaccharides, which belong to health food process technology. The process comprising removing the foreign matter in the pine mushroom, drying and disintegrating; supercritical extracting the powder with carbon dioxide, which can remove most of the lipid matter and odorant; adding proportional drinking water and extracting water-solubility active polysaccharides under certain temperature and for a certain long time; filtering to get the active polysaccharides solvent; then carrying out the process of vacuum concentration, sediment with alcohol, separation, drying and getting the product, filter residue can be used to prepare high-fiber food if treated properly. The invention is characterized by the increase of the extraction rate and biological active, no denaturation of the raw material in extraction process and no pollution in whole production process, and the full utilization of the raw material.

Description

technical field [0001] The invention belongs to health food processing technology. Background technique [0002] Active polysaccharides refer to polysaccharide compounds with certain special physiological activities, including dietary fiber and edible fungus polysaccharides. Edible fungus polysaccharide has a variety of physiological functions, such as antibacterial, anti-inflammatory, improving the body's immunity; promoting the recovery of the sick body; lowering blood sugar, preventing and treating diabetes caused by elevated blood sugar; and having a good therapeutic effect on gastrointestinal tumors. In addition, medical and nutritional studies have proved that adequate intake of polysaccharides from edible fungi can protect the body from some diseases. Edible fungus polysaccharide is a general term for polysaccharide carbohydrates with similar structures, and the chemical composition of various edible fungus polysaccharide products varies greatly. Therefore, the phys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/00A23L1/00A23L33/125
Inventor 李玉张艳荣王大为
Owner JILIN AGRICULTURAL UNIV
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