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Refining method for removing aflatoxin in corn oil

A technology for aflatoxin and corn oil, applied in the field of biochemistry, can solve the problem of no aflatoxin removal, and achieve the effects of saving cost, improving economic performance and mild reaction conditions

Inactive Publication Date: 2016-07-27
FUYANG SIBO IND DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The above methods have their own advantages and disadvantages, but there is no process for the fine removal of aflatoxin in the corn oil refining process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Corn germ cake → demeal separation → mixed oil → primary evaporation and separation of solvent (cooling recovery) → secondary evaporation and separation of solvent (cooling recovery) → circulation filtration → oil tank storage.

Embodiment 2

[0048] A kind of preparation method of corn oil comprises the steps:

[0049] 1 pretreatment process

[0050] Carry out sampling inspection on corn raw materials, such as water impurities, aspergillus flavus, acid value, peroxidant, oil content and other indicators, and make records; after passing the test, it will be received and put into storage.

[0051] Dry the corn so that the water content is 4%, soak the dried corn in boiling water for 5 minutes, then put it in cold water, and repeat it several times to remove the attached skin.

[0052] 2 crude oil

[0053] Pressing the pretreated corn in step 1 to obtain crude oil;

[0054] 3 degumming alkali refining

[0055] Raise the temperature of the crude oil to 35-45°C, adjust the pH to 6.8, add the enzyme for degumming to the crude oil, the enzyme for degumming is: neutral protease (50U / mg), lecitaseultra enzyme (3.326U / mg), Phospholipase C (100U / mg) and xylanase (1000U / mg) were added in proportions of 20mg / kg (relative to...

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PUM

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Abstract

The invention provides a refining method for removing aflatoxin in corn oil.The refining method comprises the following steps of pretreatment, crude oil preparation, degumming alkali refining, primary vaporization for separating solvent, secondary vaporization for separating solvent, dewaxing and deodorization.By means of the method, pigment and waxiness in grease can be effectively removed, the solvent residue is reduced, aspergillus flavus removing and corn oil producing are combined, corn oil production is not affected, the content of aflatoxin is greatly reduced, the components of nutrient substances of the produced corn oil are not changed, taste is pure, fragrance is lasting, the requirement for special-grade corn oil with original taste and flavor of people can be met, reaction conditions are mild, operation is easy, and the method has good application prospects.

Description

technical field [0001] The invention belongs to the technical field of biochemistry, and in particular relates to a refining method for removing aflatoxin in corn oil. Background technique [0002] Aflatoxin is a carcinogen produced by a series of mold metabolism, mainly polluting grain, oil, food, animal and plant food, such as peanuts, corn, rice, wheat, beans, nuts, meat, milk and dairy products, aquatic products, etc. All may have aflatoxin contamination, among which peanut and corn contamination is the most serious. Aflatoxins B1 and B2 are blue under ultraviolet light, and G1 and G2 are green fluorescence. In 1993, aflatoxin was identified as a class I carcinogen by the Cancer Research Institute of the World Health Organization, especially aflatoxin B1, which is the most toxic and carcinogenic. [0003] Corn oil is an edible vegetable oil with high nutritional value rich in physiologically active ingredients. Corn oil contains about 86% unsaturated fatty acids, 56...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06C11B3/00C11B3/12
CPCC11B1/04C11B1/06C11B3/001C11B3/003C11B3/12
Inventor 许笑笑
Owner FUYANG SIBO IND DESIGN
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