A kind of detoxification method of jatropha seed oil
A technology of jatropha seeds and oil press, which is applied in the direction of edible oil/fat, fat oil/fat refining, fat production, etc., can solve the problem of jatropha seed oil toxin residue, and achieve low equipment requirements and production process Simple, simple process effect
Active Publication Date: 2017-05-03
JIANGXI AGRICULTURAL UNIVERSITY
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[0008] This patent first uses ultraviolet radiation to degrade phorbol ester, and then uses ethanol of appropriate concentration to elute to solve the problem of toxin residue in Jatropha curcas seed oil. This method has not yet been reported at home and abroad.
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[0022] How to Detoxify Jatropha Seed Oil
[0023] The mature and naturally dried jatropha seeds are shelled to obtain the kernels, and the jatropha seed oil is obtained by pressing with a low-temperature oil press. The obtained jatropha seed oil is treated with an appropriate ultraviolet light irradiation technology, and then eluted with ethanol to obtain the detoxified jatropha seed oil.
[0024] First, the UV photodegradation process is as follows: the UV photodegradation process is carried out in a darkroom. Take 20mL of Jatropha curcas seed oil in a quartz test tube, place it under ultraviolet light, and sample and analyze according to a certain time interval. By changing the reaction quartz test tube and light source The distance of the incident light is adjusted, and its intensity is measured with a UV light meter. Its technical parameters are: the intensity of ultraviolet light is 200-1000μw / cm 2 ; The ultraviolet light source is: UVA: 315-400nm, UVC: 200-275nm and UV...
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Abstract
The invention provides a detoxification method for Jatropha curcas seed oil, which belongs to the fields of intensive processing of Jatropha curcas seeds and vegetable oil production. The invention first uses ultraviolet light to irradiate to degrade the phorbol ester, and then uses ethanol with proper concentration to elute, so as to solve the problem of toxin residue in Jatropha curcas seed oil. The invention has low requirements on equipment, simple production process, mild production process conditions, convenient operation and industrial implementation. At the same time, it does not involve strong acid and strong alkali treatment, which is friendly to the environment. Moreover, the ethanol raw material used in the invention is a common reagent in the field of vegetable oil deep processing and is suitable for large-scale use. More importantly, the invention has great significance for alleviating the strategic security crisis of edible oil in my country.
Description
technical field [0001] The invention relates to the field of vegetable oil production, in particular to a method for removing toxic substances from Jatropha curcas seed oil. Background technique [0002] Edible oil is a strategic necessity to ensure national food security and national health. At present, the self-supply gap of my country's edible vegetable oil consumption is very large, and about 60% of the vegetable oil needs to be provided by the international market, which poses a severe challenge to the security of domestic edible oil supply. Since medical nutritionists recommended edible woody edible oils with high unsaturated fatty acid content in the 1950s, the development of woody edible oils has become the development trend of the world's edible oil production. Many countries attach great importance to the development of woody edible oil production. According to the characteristics of mountains and hills in southern my country, the development of woody plant oil so...
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IPC IPC(8): C11B3/00A23D9/04
Inventor 肖建辉牛丽亚
Owner JIANGXI AGRICULTURAL UNIVERSITY