Method for extracting castor oil and synchronously leaching ricinine and allergen toxin from castor bean meal employing ethanol solution and application

A technology of ethanol solution and allergens, which is applied in the direction of fat oil/fat production, fat oil/fat refining, fat generation, etc., can solve problems such as patent publications that have not been found, and achieve high practical application value and allergen removal rate High, increase the effect of added value

Inactive Publication Date: 2015-06-03
TIANJIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Through the patent search, no patent publications related to the patent application for this invention have been found

Method used

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  • Method for extracting castor oil and synchronously leaching ricinine and allergen toxin from castor bean meal employing ethanol solution and application
  • Method for extracting castor oil and synchronously leaching ricinine and allergen toxin from castor bean meal employing ethanol solution and application
  • Method for extracting castor oil and synchronously leaching ricinine and allergen toxin from castor bean meal employing ethanol solution and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A method for extracting castor oil with ethanol solution to simultaneously extract ricinine and allergen toxin in castor cake, the specific steps are as follows:

[0045] ⑴ Castor bean shelling

[0046] Castor bean shells are dehulled to obtain castor bean shells and castor bean. The castor bean shells can be used as raw materials for extracting ricinine, which can be made into biopesticides or used in the biomedical industry.

[0047] ⑵Microwave denaturation

[0048] The castor seeds are treated with microwave denaturation, the denaturation time is 3min, the gear is medium to high grade, and the output power is 560W.

[0049] ⑶ Crushing

[0050] After denaturation, the castor bean is crushed into a slurry with a pulverizer.

[0051] ⑷ Extraction of castor oil synchronous extraction of ricinine

[0052] Use ethanol with a volume fraction of 95% to extract the pulverized castor bean under low-speed stirring, the stirring rate is 60-300r / min, the number of extractions...

Embodiment 2

[0068] A method for extracting castor oil with ethanol solution to simultaneously extract ricinine and allergen toxin in castor cake, the specific steps are as follows:

[0069] ⑴ Castor bean shelling

[0070] Castor bean shells are dehulled to obtain castor bean shells and castor bean. The castor bean shells can be used as raw materials for extracting ricinine, which can be made into biopesticides or used in the biomedical industry.

[0071] ⑵Microwave denaturation

[0072] The castor seeds are treated with microwave denaturation, the denaturation time is 3min, the gear is medium to high grade, and the output power is 560W.

[0073] ⑶ Crushing

[0074] After denaturation, the castor bean is crushed into a slurry with a pulverizer.

[0075] ⑷ Extraction of castor oil synchronous extraction of ricinine

[0076] Use ethanol with a volume fraction of 95% to extract the pulverized castor bean under low-speed stirring. The stirring rate is 60-300r / min, and the extraction is per...

example 2

[0090] Example 2 is different from example 1 in that the condition of 95% ethanol leaching castor oil has been changed, the number of extractions has been reduced, the solid-liquid ratio of extraction has been increased, and the number of extractions has been changed to 2 times by 3 times in example 1 , The ratio of extract to liquid was changed from 1:4g / mL to 1:6g / mL. As can be seen from the results, although the extraction times of castor oil has been reduced, the extraction of castor oil and cake detoxification effect are better, and the relative example 1 castor oil extraction effect does not appear to decline significantly, but reduces the number of extractions, but reduces Cost of production. The method described in example 2 not only combines castor oil extraction and cake detoxification, reduces the process steps, and castor oil extraction rate and cake detoxification rate are higher simultaneously, which has important practical significance.

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Abstract

The invention relates to a method for extracting castor oil and synchronously leaching ricinine and allergen toxin from castor bean meal employing an ethanol solution. The castor oil extraction efficiency and the effects for removing ricinine and allergen toxin are as follows; the extraction rate of castor oil is greater than or equal to 99.01%; the residual oil ratio of the bean meal is smaller than or equal to 1.58%; the removal rate of the ricinine is greater than or equal to 96.05%; and the removal rate of the allergen toxin is greater than or equal to 96.94%. The method comprises the following steps: firstly, extracting the castor oil with the high-concentration ethanol solution, and leaching the ricinine from the bean meal; and further leaching the ricinine and the allergen toxin from the bean meal with a low-concentration ethanol solution. According to the overall technology, castor oil extraction is combined with leaching of the ricinine and the allergen toxin in the bean meal, so that serialization of the technology is realized; the industrial cost is reduced; ethanol is adopted as an extracting agent, so that clean production is realized; no three wastes are generated; environmental protection is facilitated; comprehensive utilization of castor seeds is realized; the additional value of a castor seed by-product is improved; and the method has good application value.

Description

technical field [0001] The invention belongs to the technical field of grain and oil processing, and relates to the comprehensive utilization of castor beans, in particular to a method for synchronously extracting castorine and allergen toxins from castor cake with ethanol solution. Background technique [0002] Castor beans contain about 45% of castor oil, and the crude protein content of castor cake left after shelled castor beans are squeezed or extracted to make oil is as high as about 30%, while the cake of shelled castor beans after oil making is as high as 30%. The crude protein content of meal is higher, up to about 50%, so castor meal is an industrial by-product rich in protein. However, castor beans contain four toxins: ricin, ricinine, allergen, and ricin. The first two toxins are extremely toxic, especially ricin, which is more toxic than hydrocyanic acid. Hundreds of times. Therefore, the castor cake meal without detoxification treatment cannot be used in feed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10C11B3/12
CPCC11B1/04C11B1/10C11B1/108C11B3/12
Inventor 王昌禄李建军叶锋李昌珠李贞景陈勉华
Owner TIANJIN UNIV OF SCI & TECH
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