A production method of linseed oil and its vacuum low-temperature pressing device

A technology of linseed oil and production method, which is applied in the direction of fat oil/fat production, press, fat production, etc., can solve the problems of reducing the nutritional and physiological activity of linseed oil, high maintenance cost of extraction technology equipment, and affecting the quality of oil, etc. Achieve the effects of shortening the process, high shelling efficiency and improving oil yield

Active Publication Date: 2022-03-22
北京同仁堂安徽中药材有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional hot pressing process not only destroys the oil plant cells, but also seriously destroys the active substances in linseed α-linolenic acid, vitamin E, sterols, carotenoids, etc., reducing the nutritional and physiological activities of linseed oil; solvent extraction The method causes the residue of organic solvent in linseed oil, which affects the quality of oil; supercritical CO 2 The maintenance cost of extraction technology equipment is high, and factory production is difficult

Method used

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  • A production method of linseed oil and its vacuum low-temperature pressing device

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Effect test

Embodiment 3

[0058] Screening Example 3: Preferred Screening Example 1, the process parameters of the processing process of Example 2 were screened, and the linen of the high pressure pulse electric field, the ultrasonic pulse process was combined, and the flaxseed oil was prepared:

[0059] 2.5kg linen is placed in a high pressure pulse electric field for pretreatment, and the pulse electric field strength is 26 kV / cm. The pulse width is 20 μs, the temperature is 38 ° C, the treatment time is 4 minutes, which is a lamelifted linen; The conveyance to the crusher is broken, the particle size is 0.8 to 1 mm of crude granules; then the crude granular linen is delivered to the ultrasonic chamber for ultrasonic treatment, and the ultrasonic wave is 18 kHz, the temperature is 33 ° C, the treatment time is 8min, get pressing materials; then press the pressing material to vacuum and low-temperature pressed oil, the vacuum is 0.06 MPa, the temperature is 32 ° C, the treatment time is 90 min, and the ...

preparation Embodiment 1

[0063] The production method of the linseed oil of the present preparation includes the following steps:

[0064] A, shell and sheath housing separation: screening lossless, copied, no dry, high quality clean flax seeds, put high-quality flaxseed into the bag, put the ultra high pressure equipment, seal, pressurize to 358MPa, the holding time is 4 minutes Remove the shell, then linen, the linen mixture is separated by high-speed rotating fan, separating linen, linen shell, gaining linen, spare;

[0065] B, high pressure pulse electric field pretreatment: 35kg linen is placed in a high pressure pulse electric field for pretreatment, the pulse electric field strength is 22kV / cm, the pulse width is 17μs, the temperature is 36 ° C, the treatment time is 3 min, and the tiened linen ;

[0066] C, Brave: Transferring the ripening linen to the crusher to break, get the particle size of 0.8 ~ 1 mm, crude granular layer;

[0067] D, ultrasonic reprocessing: convey the crude granular linen...

preparation Embodiment 2

[0075] The production method of the linseed oil of the present preparation includes the following steps:

[0076] A, shell and shell shell separation: screening lossless, copied, no dry, high quality clean flax seeds, put high-quality flaxseed into the bag, put ultra high pressure equipment, seal, pressurize to 482MPa, pressure pressure time is 5 min Remove the shell, then linen, the linen mixture is separated by high-speed rotating fan, separating linen, linen shell, gaining linen, spare;

[0077] B, high pressure pulse electric field pretreatment: 35kg linen is placed in a high pressure pulse electric field for pretreatment, the pulse electric field strength is 25kV / cm, the pulse width is 18 μs, the temperature is 37 ° C, the treatment time is 4 minutes, and the labin is obtained. ;

[0078] C, Brave: Transferring the ripening linen to the crusher to break, get the particle size of 0.8 ~ 1 mm, crude granular layer;

[0079] D, Ultrasonic Regeneration: Transferring the crude gr...

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Abstract

The invention discloses a production method of linseed oil and a vacuum low-temperature pressing device thereof, comprising the following steps: A. linseed is dehulled by ultra-high pressure equipment, separated by a high-speed rotating fan, and B. linseed is pretreated and matured by a high-voltage pulse electric field C, the linseeds are put into the crusher and crushed to obtain coarse-grained linseeds, D, the coarse-grained linseeds are subjected to ultrasonic treatment in an ultrasonic chamber to obtain squeezed raw materials, and E, the squeezed raw materials are subjected to vacuum low-temperature pressing to squeeze out Oil, obtain the linseed oil of refining cleanness, F, adopt inert gas high-purity nitrogen protection storage linseed oil. In the present invention, through physical processes such as ultra-high voltage shelling, high-voltage pulse electric field pretreatment, crushing, ultrasonic reprocessing, vacuum low-temperature pressing, etc., the oil extraction time is shortened, the oil yield is improved, and the obtained linseed oil retains linseed Unique active substances such as linolenic acid and vitamin E are pollution-free, safe and high-quality oil.

Description

Technical field [0001] The present invention relates to a production method of flaxseed oil and a vacuum low temperature pressing device, which belongs to the field of edible grease processing. Background technique [0002] Flax seed is one of the tenth largest oil crops in the world, ranging from the total output of world oil. In my country, the linen is mainly distributed in North China, northwest, is one of the five major oil crops in my country. [0003] Flax seeds rich in flaxseed oil, oil content of up to 45 ~ 55%, even in Inner Mongolia, Gansu, etc., the oil content of more than 56%, the main components of flaxseed oil are unsaturated fatty acid -α-linolenic acid and Liahero acid. Clinical studies have shown that α-linolenic acid has a variety of important physiological functions and pharmacological activity such as regulating blood lipids, reduces cholesterol, anti-inflammatory, anti-cancer, enhancing brain and optic nerve function, preventing certain dermatological disea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/04C11B1/06B30B9/16
CPCC11B1/04C11B1/06B30B9/16
Inventor 胡胜甜鲁大伟周恒吴计划王芬
Owner 北京同仁堂安徽中药材有限公司
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