Volume 22, Issue 162 (2025)                   FSCT 2025, 22(162): 42-57 | Back to browse issues page


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Badali A, Javadi A, Afshar Mogaddam M R, Mashak Z. Determination of aflatoxin M1 and ochraoxin A in pasteurized milk and evaluation the effect of microwave irradiations on their reduction. FSCT 2025; 22 (162) :42-57
URL: http://fsct.modares.ac.ir/article-7-73098-en.html
1- Department of Food Science and Technology, Mamaghan Branch, Islamic Azad University, Mamaghan, Iran.
2- Department of Food Hygiene, Faculty of Veterinary, Tabriz Medical Science, Islamic Azad University, Tabriz, Iran.Health Promotion Research Center, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran. , afshinjavadi@yahoo.com
3- Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
4- Department of Food Hygiene, Karaj Branch, Islamic Azad University, Karaj, Iran.
Abstract:   (82 Views)
Due to the extensive use of dairy-products like pasteurized milk, these products should be free of any contaminants such as drug residues, pesticides, mycotoxins, and etc. Mycotoxins (such as aflatoxins, ochratoxin A, and etc.) are a group of toxic and pollutant substances in foodstuffs, animal and poultry feed that are naturally produced from certain types of fungi. The presence of mycotoxins in milk is very dangerous for the health of the consumer. Therefore, the development of fast, efficient and easy methods for investigating the presence of mycotoxins such as aflatoxin M1 and ochratoxin A in foodstuffs is of great importance. In this research, an efficient analytical method based on the combination of dispersive solid phase extraction and dispersive liquid-liquid microextraction has been proposed for the extraction of aflatoxin M1 and ochratoxin A from pasteurized milk samples and analyzing them with high-performance liquid chromatography equipped with a fluorescence detector. Under the optimum condition, limits of detections and quantifications within the ranges of 0.23–0.29 and 0.77–0.97 ng L–1 were obtained, respectively. Enrichment factors and extraction recoveries has been obtained in the ranges of 232–249 and 83–89%, respectively. Aflatoxin M1 (in 70% of the examined milk samples) and ochratoxin A (in 10% of the -examined milk samples) were found in a number of samples. Also, according to the obtained results, microwave radiation can reduce the amount of aflatoxin M1 (in the range of 27.6 to 33.5%) and ochratoxin A (in the range of 17.3 to 20.8%).
 
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Article Type: Original Research | Subject: Food Chemistry
Received: 2023/12/24 | Accepted: 2024/08/18 | Published: 2025/07/23

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