Method for extracting vitamin E from deodorizer distillate of idesia polycarpa 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
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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) Add 6ml of concentrated sulfuric acid to the transesterification product of step (2) under stirring, the stirring speed is 50rpm, and react at...
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, and heat up to 70°C for 3h to convert the free fatty acid in the raw material into the corresponding methyl ester , After the reaction is completed, let it 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, and react at 7...
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