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Production method for medium-chain and long-chain oil fatty acid

A medium and long-chain fatty acid and production method technology, applied in the field of oil synthesis, to achieve the effects of prolonging the catalytic time, simple and practical production process, and improving reaction efficiency

Inactive Publication Date: 2014-07-02
河北康睿达脂质有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art, to provide a production method of medium and long chain fatty acid oils, to solve the difficult problem that the production process is loaded down with trivial details in the prior art, and the described method has the short reaction time of the reactor, can Features of low consumption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The reaction raw materials are 8-10 carbon medium-chain fatty acid triglycerides extracted from palm kernel oil and 16-24 carbon long-chain fatty acid triglycerides extracted from soybean oil, and the weight fraction of the reactant is 8-10 carbon medium-chain 13 parts of fatty acid triglycerides, 87 parts of long-chain fatty acid triglycerides of 16-24 carbons, the above-mentioned reactants are loaded into a closed reactor with a lipase collection device, and the lipase used is Novozyme 435 of Novozymes Immobilized lipase, the dosage is 1% of raw material quality. The transesterification reaction was carried out by filling nitrogen at 55° C., and the reaction time was 15 hours to terminate the reaction to obtain product A. Sampling was carried out through the outlet at the bottom of the reactor, and the acid value of the test result product A was 2.2 mgKOH / g.

[0028] Put the product A into the deacidification container, add 1.5% potassium hydroxide saturated aqueous ...

Embodiment 2

[0032]Extract 8-10 carbon medium-chain fatty acid triglycerides in coconut oil, extract 16-24 carbon long-chain fatty acid triglycerides in peanut oil, the mass parts of both are 8-10 carbon medium-chain fatty acid triglycerides 11 parts , 80 parts of 16-24 carbon long-chain fatty acid triglycerides, Lipozyme TL IM immobilized lipase accounting for 6% of the raw material mass was added to a reactor with a lipase collection device, and the ester was carried out under 150Pa vacuum at a temperature of 60°C. Exchange reaction, the reaction time is 20 hours to terminate the reaction, to obtain the product A. Its acid value is 2.4 mgKOH / g.

[0033] Recover the reaction product A to the deacidification container, add sodium hydroxide saturated alkaline water, the addition amount is 0.8% of the mass of the product A, add while stirring, the stirring speed is 45r / min, the temperature is 40°C, continue to stir after adding, stir After 0.5 hours, a sample was taken for testing, and the ...

Embodiment 3

[0037] Extract 6-12 carbon medium-chain fatty acid triglycerides from palm kernel oil, extract 16-24 carbon long-chain fatty acid triglycerides from rapeseed oil, wherein the weight fraction of medium-chain fatty acid triglycerides is 15, long-chain fatty acid triglycerides The parts by weight of triglycerides are 90. The above-mentioned raw material oil ester is added in the reactor equipped with Lipozyme RM IM immobilized enzyme collecting device, and the addition amount of lipase is 3% of raw material quality. The transesterification reaction was carried out by filling nitrogen at 65° C., and the reaction time was 24 hours to terminate the reaction to obtain product A. Sampling was carried out through the outlet at the bottom of the reaction, and the acid value was checked to be 1.8 mgKOH / g.

[0038] Recover the reaction product A to the deacidification container, add saturated sodium hydroxide solution, the lye accounts for 2.0% of the mass of the product A, add it while ...

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Abstract

The invention discloses a production method for medium-chain and long-chain oil fatty acid. The production method comprises the following steps: carrying out transesterification reaction, saturated alkaline water neutralization, adsorbent desoaping, vacuum flashing and the like to medium-chain fatty acid triglycerides of C6-C12 and long-chain fatty acid triglycerides of C16-C24 in a reactor filled with lipase, to obtain the long-chain oil fatty acid in the product. The method solves the difficulty that the medium-chain and long-chain oil fatty acid in the prior art is complicated, and has the characteristics of being short in reaction time of the reactor, and low in energy consumption.

Description

technical field [0001] The invention relates to the field of oil synthesis, in particular to a method for producing fatty acid triglycerides. Background technique [0002] Medium- and long-chain fatty acid oils are medium- and long-chain fatty acid triglycerides (MLCT), which are new functional oils obtained by combining medium and long-chain fatty acids on triglycerides. It has the characteristics of being directly absorbed by the human portal vein into the liver to quickly replenish the body with energy and nutrition, without burdening the intestines, and can effectively reduce the concentration of total cholesterol and low-density lipoprotein, and play a role in weight loss, prevention and treatment of diabetes and hyperlipidemia and other metabolic diseases. The prior art generally adopts the transesterification process to produce medium and long-chain fatty acid oils, that is, uses medium-chain fatty acid triglycerides and long-chain fatty acid triglycerides to realize...

Claims

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Application Information

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IPC IPC(8): C11C3/10C11C1/08C11C1/10
Inventor 苑洪德张富红王延荣苑海鹏苑海祥
Owner 河北康睿达脂质有限公司
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