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Method for transforming fatty acid ethyl ester into glyceride

A technology of fatty acid ethyl ester and glyceride, applied in the field of oil processing, can solve the problems of low reaction speed and conversion rate, limit industrial application, etc., and achieve the effects of improving reaction efficiency, solving the encapsulation effect, and improving reaction efficiency.

Active Publication Date: 2013-05-15
XINGYE ZHOUSHAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technology is still not high in reaction speed and conversion rate, which limits the industrial application

Method used

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  • Method for transforming fatty acid ethyl ester into glyceride

Examples

Experimental program
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Effect test

Embodiment 1

[0031] Reactor such as figure 1 shown. 1 ton of fatty acid ethyl ester derived from fish oil and 90 kg of glycerin with EPA content of 30% and DHA content of 20% are added to the material tank 1, and are pumped to flow through the fiber bed phase separator 2, enzyme reactor 3 and packed tower 4. The flow rate of pump 5 is 15m 3 / hr, the consumption of enzyme is 30kg (Novozym 435, Novozymes company product), reaction temperature is 60 ℃, reaction system pressure is 400~600pa, stop reaction after 36 hours, reaction product result is shown in Table 1. The reaction product is distilled to remove the fatty acid ethyl ester to obtain a glyceride-type product.

Embodiment 2

[0033] Replace with the new raw material of the same formula as Example 1, adopt the reclaimed enzyme preparation of Example 1 to react, repeat the operation of Example 1.

Embodiment 3

[0035]Replace with the new raw material of same formula as embodiment 1, adopt embodiment 2 to reclaim the enzyme preparation and carry out reaction, repeat embodiment 1 operation.

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Abstract

The invention discloses a method for transforming fatty acid ethyl ester into glyceride, which comprises the following steps of: mixing the fatty acid ethyl ester and glycerol in a material tank; making the material pass through a glycerol separator by using a pump to separate free glycerin; then putting the material in a reactor in which immobilized lipase is filled; and making the material passthrough a packed tower to remove ethanol; making the material finally flow back to the material tank for performing 6 to 300h circular reaction; then carrying out molecular distillation on the reaction product to remove the unconverted reactant so as to obtain glyceride products. The method can improve the stability and bioavailability of the products, and has high application value for transforming functional fatty acids such as ethyl ester fish oil, algae oil, conjugated linoleic acid, arachidonic acid and the like into glyceride products.

Description

technical field [0001] The invention relates to a method for oil processing, in particular to a method for converting fatty acid ethyl esters into glycerides. Background technique [0002] Polyunsaturated fatty acids (PUFAs, polyunsaturated fatty acids) are a large class of fatty acids with important physiological functions, they mainly include omega-3 and omega-6 series fatty acids, omega-3 series lipases include α-linolenic acid, EPA, DHA and DPA, etc., omega-6 series fatty acids include linoleic acid, γ-linolenic acid, arachidonic acid, etc. These fatty acids exist in different natural oils, which need to be further processed due to their insufficient concentration in natural oils or other defects in natural oils. One of the important methods of deep processing is to carry out ethyl esterification of these natural oils, and then carry out secondary processing on fatty acid ethyl esters, such as distillation, urea embedding, etc., and finally obtain ethyl ester products. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P7/64C12R1/01C12R1/66C12R1/845C12R1/785C12R1/85
Inventor 马永钧杨博范海星王卫飞唐峰潘志杰劳敏军杨平
Owner XINGYE ZHOUSHAN
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