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Method for gathering/recovering VE (Vitamins E), squalene and polyunsaturated fatty acids from deodorized distillate of plant oil

A technology of unsaturated fatty acids and deodorized distillates, which is applied in the field of separation technology, can solve problems affecting the application of distillates, and achieve the effects of less loss, short crystallization time, and short separation time

Active Publication Date: 2014-01-01
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Free fatty acid (FFA) is another matter. FFA is a valuable pharmaceutical and chemical raw material, but if it remains in the distillate, it will affect the application of the distillate in food

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0018] 1. Examples of different types of distillates

[0019] (1) Add 4.5L 95% ethanol to 0.6kg urea, dissolve it at 60-80°C, then add 1kg soybean oil vacuum deodorization distillate, stir evenly, vacuum degassing, seal the package, put it in an ultra-high pressure container and apply a pressure of 300MPa After 1 hour, take it out and filter to get a filtrate rich in VE, PUFA and squalene, the acid value of the filtrate (mg KOH / g) can be reduced from 60 to below 40; the recovery rate of PUFA and squalene (total content in the filtrate / The total content in raw materials) is above 85%, and the recovery rate of VE can reach up to 95%.

[0020] (2) Add 11.25L 95% ethanol to 1.5kg urea, dissolve it at 60-80°C, then add 1kg rapeseed oil vacuum deodorization distillate, stir evenly, vacuum degass, seal the package, put it in an ultra-high pressure container and apply 250MPa Pressure for 1 hour, take out and filter to obtain filtrates rich in VE, linoleic acid and squalene, and thei...

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Abstract

The invention discloses a method for gathering / recovering VE (Vitamins E), squalene and polyunsaturated fatty acids from the deodorized distillate of plant oil. Specifically, the method comprises the following steps: adopting urea and a solvent as addition agents; mixing the addition agents with the distillate so as to dissolve the addition agents in the distillate; carrying out flexible packaging, vacuum degassing and sealing; applying a super high pressure for quickly crystallizing and agglomerating saturated fatty acids, monounsaturated fatty acids, fatty hydrocarbons, sterols and the like in the distillate; adsorbing a large quantity of impurities with an inclusion compound; carrying out pressure filtering and separating to obtain filter residue and filtrate; removing the solvent from the filtrate to obtain the VE, squalene and polyunsaturated fatty acids with high concentration. According to the method, the recovery rates of the VE, squalene and polyunsaturated fatty acids are all more than 80%, and neutral oil can be reserved.

Description

1. Technical field [0001] The present invention relates to a separation process, in particular to a crystallization separation method, specifically a method for enriching / recovering vitamin E (VE), squalene and polyunsaturated fatty acids (PUFA) from vegetable oil deodorization distillates Ultra-high pressure urea packet separation method. 2. Background technology [0002] Vegetable oil vacuum deodorization distillates are rich in various functional components, such as free fatty acids (FFA), fatty acid esters, VE, squalene, phytosterols, etc. These substances have important development and utilization value, but they often need to be separated and purified before application. Previously, a variety of separation methods have been developed, such as molecular distillation, saponification, freeze-out, column chromatography, and urea wrapping. [0003] Molecular distillation is widely used, which requires precise control of high vacuum conditions and high production costs; sa...

Claims

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Application Information

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IPC IPC(8): C07D311/72C07C11/21C07C7/14C11C1/08
CPCC07C7/14C07D311/72C11C1/08C07C11/21
Inventor 潘见孙艳辉苏娅惠爱玲张慧娟赵斌
Owner 潘见
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