A method for extracting vitamin E from the deodorized distillate of jatropha oil

A technology for deodorizing distillates and vitamins, applied in the direction of organic chemistry, etc., can solve the problems of unsuitability for large-scale industrial production, complex components of deodorizing distillates, large investment in chromatography equipment, etc., achieve effective separation, easy operation, and application promising effect

Inactive Publication Date: 2016-08-17
SICHUAN RENDE PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the special odor of Jatropha tomentosa oil, the composition of its deodorized distillate is relatively complex, and the content of fatty acids is relatively high. The existing methyl esterification process is difficult to effectively process raw materials, and it is difficult to separate and obtain natural vitamins with high purity. E products cannot meet the growing demand of the pharmaceutical and health care products market; and natural vitamin E products with high purity can be separated by chromatography, but the equipment investment and maintenance cost of chromatography are large, and it is not suitable for large-scale industrial production.
[0005] At present, there is no report on the extraction of vitamin E from the deodorized distillate of Jatropha oil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 The extraction method of vitamin E in Jatropha tomentosa oil of the present invention

[0029] (1) Mix 200g of the deodorized distillate of Jatropha jatropha oil and 60ml of methanol evenly, add 4ml of concentrated sulfuric acid under stirring, the stirring speed is 30rpm, heat up to 60°C and react for 5h, so that the free fatty acid in the raw material is converted into the corresponding methyl ester , After the reaction is completed, let it stand for dehydration to obtain the esterified product.

[0030] (2) Dissolve 6g of sodium hydroxide in 36ml of methanol, and add it to the esterification product of step (1) under stirring, the stirring speed is 30rpm, and the temperature is 80°C for 1.5h to convert the triglyceride in the raw material For the corresponding methyl ester, transesterification products were obtained.

[0031] (3) Add 4ml of concentrated sulfuric acid to the transesterification product of step (2) under stirring, the stirring speed is 30rpm...

Embodiment 2

[0040] Embodiment 2 The extraction method of vitamin E in Jatropha tomentosa oil of the present invention

[0041] (1) Mix 200g of the deodorized distillate of Jatropha jatropha oil and 40ml of methanol evenly, add 6ml of concentrated sulfuric acid under stirring, the stirring speed is 50rpm, and heat up to 80°C for 1.5h to convert the free fatty acid in the raw material into the corresponding formazan Esters, after the completion of the reaction, stand still for dehydration to obtain esterified products.

[0042] (2) Dissolve 4g of sodium hydroxide in 20ml of methanol, and add it to the esterification product of step (1) under stirring, the stirring speed is 50rpm, and the temperature is 60°C for 4h, so that the triglyceride in the raw material is converted into Corresponding methyl ester, in transesterification products.

[0043] (3) Under stirring, add 6ml of concentrated sulfuric acid to the transesterification product of step (2), the stirring speed is 50rpm, and react a...

Embodiment 3

[0052] Embodiment 3 The extraction method of vitamin E in Jatropha tomentosa oil of the present invention

[0053] (1) Mix 200g of the deodorized distillate of Jatropha jatropha oil and 80ml of methanol evenly, add 8ml of concentrated sulfuric acid under stirring, the stirring speed is 60rpm, heat up to 70°C and react for 3h, so that the free fatty acid in the raw material is converted into the corresponding methyl ester , after the completion of the reaction, stand for dehydration to obtain the esterified product.

[0054](2) Dissolve 2g of sodium hydroxide in 8ml of methanol, and add it to the esterification product of step (1) under stirring, the stirring speed is 60rpm, and the temperature is 70°C for 2.5h to convert the triglyceride in the raw material For the corresponding methyl ester, transesterification products were obtained.

[0055] (3) Add 8ml of concentrated sulfuric acid to the transesterification product of step (2) under stirring, the stirring speed is 60rpm,...

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PUM

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Abstract

The invention discloses a method for extracting vitamin E from the deodorized distillate of jatropha oil, comprising the following steps: (1) methyl esterification; (2) transesterification; (3) supplementary esterification; (4) water washing ; (5) cold analysis; (6) molecular distillation. The method of the invention can extract the product with high vitamin E content from the deodorized distillate of the jatropha oil, has simple operation, low cost and good application prospect.

Description

technical field [0001] The invention relates to a method for extracting vitamin E from the deodorized distillate of jatropha oil. Background technique [0002] Jatropha jatropha oil is rich in unsaturated fatty acids such as oleic acid, linoleic acid, and linolenic acid, among which unsaturated fatty acids are as high as 82%, linoleic acid in unsaturated fatty acids is as high as 66%, and vitamin E content is as high as 1%. The above are good raw materials for edible oil and health oil, which can effectively prevent and treat cardiovascular diseases such as coronary heart disease and hypertension. The quality of Jatropha jatropha oil is good, but the jatropha oil has a special odor, which must be removed during refining to meet the requirements of edible oil. The deodorized distillate of Jatropha oil is a by-product produced during the deodorization and refining of Jatropha oil. The main components of the deodorized distillate are free fatty acids, vitamin E, sterols and st...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D311/72
Inventor 陈晋陈亮
Owner SICHUAN RENDE PHARMA
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