Aflatoxin degradation method

A technology for aflatoxin and aflatoxin, which is applied in the fields of application, food preparation, food science, etc., can solve the problems of high cost of biochemical detoxification and difficulty in preparing highly active aflatoxin detoxification active substances.

Inactive Publication Date: 2009-07-29
INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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Problems solved by technology

The cost of biochemical detoxification is relatively high, and it is difficult to...

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to the following examples.

[0013] Instruments and reagents used in each embodiment of the present invention are as follows:

[0014] Agilent1100 liquid phase system (Agilent, USA); API3000 triple quadrupole mass spectrometry system (Applied Biosystems, USA); FW100 high-speed universal pulverizer (Tianjin Test Instrument Co., Ltd.); LD4-2 low-speed centrifuge (Beijing Medical centrifuge factory); solid phase extraction device (Supelco company in the United States); Oasis HLB solid phase extraction column (3cc / 60mg, Waters company); Methanol (chromatographically pure Fisher); Formic acid (analytical pure); n-hexane (chromatographically pure, Tianjin Damao Chemical Reagent Factory); sodium chloride; ultrapure water.

[0015] Aflatoxin B 1 Standard product 10 mg (purchased from Sigma-Aldrich, USA, purity ≥ 97%);

[0016] Aspergillus flav...

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Abstract

The invention discloses a method for degrading aflatoxin, which makes use of gamma rays to irradiate a sample containing the aflatoxin, wherein the gamma rays are generated by a radioactive substance Co, and the irradiation dose is between 0 and 10 kGy not including 0, preferably between 2 and 10 kGy, more preferably between 4 and 10 kGy, particularly preferably between 6 and 10 kGy, and the most preferably 10 kGy. The sample containing the aflatoxin is a farm product containing the aflatoxin or a product obtained by processing the farm product, such as food, feedstuff, and the like. The method is particularly applicable to degrading the aflatoxin B1, not only can kill pathogenic microorganisms but also can degrade biotoxin therein, and does not generate any industrial pollution.

Description

technical field [0001] The invention relates to a method for degrading aflatoxin B, in particular to a method for degrading aflatoxin B by γ-ray irradiation 1 Methods. Background technique [0002] Aflatoxin (AF for short) is one of the most harmful mycotoxins to humans and animals. A large number of data confirm that aflatoxin has a strong toxic effect on the liver tissue of humans and animals, and can lead to liver cancer and even death in severe cases. Aflatoxin contamination of food is relatively serious, especially the most serious and common contamination of peanuts, walnuts, corn and their products. In addition, aflatoxins are often found in foods such as soybeans, rice, macaroni, milk and its products, and edible oils. Aflatoxin not only reduces the quality of agricultural products and feed, causing huge economic losses, but also enters the human body through animal-derived foods such as meat and milk that are contaminated or residual aflatoxin, posing a threat to...

Claims

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Application Information

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IPC IPC(8): A23L1/015A23L1/025A23L5/20
Inventor 哈益明杨静王锋周洪杰范蓓李彦杰
Owner INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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