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Method for extracting linseed oil by water-enzyme process

A technology of linseed oil and linseed, applied in the direction of fat oil/fat production, fat production, fermentation, etc., to achieve the effects of mild operating conditions, improved safety and economy, and no organic solvent residues

Inactive Publication Date: 2007-03-28
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are no related reports for extracting linseed oil by aqueous enzymatic method

Method used

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  • Method for extracting linseed oil by water-enzyme process

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Effect test

Embodiment 1

[0030] The degummed linseed is dry crushed with a portable traditional Chinese medicine grinder, the crushed linseed and water are mixed at a ratio of 1:5, the pH is adjusted to 9.0, the temperature is 60 ° C, and 1.5% of the raw material mass is added to the alkaline Protease, after enzymatic hydrolysis for 5 hours, adjust the pH to 5.0, lower the temperature to 50°C, add compound cellulase with 1.5% raw material mass, and then enzymatically hydrolyze for 5 hours, obtain free oil after centrifugation, and centrifuge the obtained emulsion again to obtain Total free oil, calculated free oil yield, can reach 82.26%.

Embodiment 2

[0032] The degummed flaxseeds are dry crushed with a portable traditional Chinese medicine grinder, the crushed flaxseeds and water are mixed in a ratio of 1:5, the pH is adjusted to 9.0, the temperature is 60°C, and 1.0% of the raw material mass is added to the alkaline Protease, after enzymatic hydrolysis for 3 hours, adjust the pH to 5.0, lower the temperature to 50°C, add compound cellulase with 1.0% raw material mass, and then enzymolyze for 3 hours, centrifuge to obtain free oil, and centrifuge the obtained emulsion again to obtain Total free oil, calculated free oil yield, can reach 74.42%.

Embodiment 3

[0034] The degummed linseed is dry crushed with a portable traditional Chinese medicine grinder, the crushed linseed and water are mixed in a ratio of 1:4, the pH is adjusted to 9.0, the temperature is 60 ° C, and 1.0% of the mass of the raw material is added. Protease, after enzymatic hydrolysis for 5 hours, adjust the pH to 5.0, lower the temperature to 50°C, add compound cellulase with 1.5% raw material mass, and then enzymolyze for 3 hours, centrifuge to obtain free oil, and centrifuge the obtained emulsion again to obtain Total free oil, calculated free oil yield, can reach 80.20%.

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Abstract

The invention relates to aqueous enzymatic extraction of flax-seed oil. It uses degumming flax-seed as material, processes smashing, enzymolysis, and centrifuging to gain flax-seed oil. It is processed enzymolysis by alkali protease and compound cellulose enzyme to increase free oil yield which has higher quality, easy fining, higher nutritive value and functional performance. Compared with the traditional expression and solvent extraction method, it has the advantages of simple device, safe operation, litter pollution, low energy consumption etc.

Description

technical field [0001] The invention discloses a method for extracting linseed oil by an aqueous enzymatic method, which belongs to the technical field of oil extraction technology by an aqueous enzymatic method. Background technique [0002] With the improvement of people's living standards, there are further requirements for functional and nutritious edible oils. Flaxseed oil has attracted more and more attention because of its high nutritional value and good functional properties. The output of linseed has ranked seventh among the world's top ten oil crops. In my country, its annual output is about 400,000 tons, ranking fourth in the world, and has become an important vegetable oil in my country. [0003] Unsaturated fatty acids in linseed oil are more than 80%, oleic acid is 13% to 29%, linoleic acid is 15% to 30%, linolenic acid is 40% to 60%, of which α-linolenic acid content is very high, α-linolenic acid It is an essential fatty acid for the human body. It can be ...

Claims

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Application Information

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IPC IPC(8): C11B1/00C12P7/64
Inventor 许时婴王璋杨瑞金陈晶袁搏
Owner JIANGNAN UNIV
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