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A Comprehensive Systematic Review and Meta-Analysis on the Prevalence of Aflatoxin M1 in Dairy Products in Selected Middle East Countries Publisher Pubmed



Arghavan B1 ; Kordkatuli K2 ; Mardani H3 ; Jafari A4, 5
Authors
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Authors Affiliations
  1. 1. Department of Basic Medical Sciences, School of Medicine, Abadan University of Medical Sciences, Abadan, Iran
  2. 2. Student Research Committee, Department of Surgical Technology, School of Paramedical Sciences, Golestan University of Medical Sciences, Gorgan, Iran
  3. 3. Student Research Committee, Department of Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
  4. 4. Student Research Committee, Department of Community Nutrition, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  5. 5. Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran

Source: Veterinary Medicine and Science Published:2025


Abstract

Background: Human consumption of dairy products contaminated with aflatoxin (AF) M1 can lead to severe health issues. This AF's significance and impact on health necessitate a thorough investigation of its prevalence in dairy products. Objectives: This study aims to determine the prevalence of AFM1 in dairy products through a systematic review and meta-analysis, focusing on data from Middle Eastern countries. Methods: We identified relevant studies through electronic database searches (PubMed, Scopus and Web of Science) up to August 2023. We employed a random-effects model to derive an overall estimate and used 95% confidence intervals to determine pooled prevalence rates. Results: The meta-analysis included 193 studies encompassing 297,530 samples of dairy products. The results showed that AFM1 contaminated 87% of dairy products. The following is a ranking of countries based on the prevalence of AFM1 in their dairy products: Iran > Jordan > Turkey > Kuwait > Lebanon > Syria > Egypt > Cyprus > the United Arab Emirates. The current meta-analysis indicated that Middle Eastern countries exhibited a high prevalence of AFM1 in dairy products. The prevalence rates for AFM1 in various dairy products were as follows: milk (87%), yogurt (68.9%), cheese (63.6%), kashk (62.9%), doogh (55.6%) and ice cream (54%). Pasteurized milk (99.5%), ultra-high temperature (91.3%), raw milk (73%) and traditional milk (51%), among other milk types, had the highest contamination rates. Conclusion: The study reveals a high prevalence of AFM1 in dairy products, particularly in Middle Eastern countries. Given the critical importance of milk and dairy products in the diet, special measures are needed to safeguard their quality and protect consumers from AF contamination. © 2025 The Author(s). Veterinary Medicine and Science published by John Wiley & Sons Ltd.
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