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Microplastics in dairy products and human breast milk: Contamination status and greenness analysis of available analytical methods
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Researchers reviewed the contamination of dairy products and human breast milk with microplastics, finding concentrations as high as 2,590 microplastic particles per liter, while also noting that most current detection methods are not environmentally safe or standardized. The findings call for stricter food safety regulations and greener analytical tools to track microplastic contamination in foods consumed from infancy.
The prevalence of microplastics (MPs) in food items is of significant concern due to their potential to cause various human health issues when ingested. Milk and dairy products are widely consumed for their nutritional value and have been found to contain MPs, as evidenced by numerous research studies. This review paper examines the current contamination levels of MPs in dairy products and breast milk, as well as evaluates the environmental impact of the analytical methods used for MPs analysis. The highest contamination levels in dairy products and human breast milk have been found up to 2590 MPs/L. Hence policymakers should enforce stringent regulations to ensure food quality. Additionally, it has been noted that existing analytical methods for detecting MPs in dairy products often fail to adhere to the principles of green analytical chemistry, with many scorings below 0.58 on the AGREE scale. These findings emphasize the urgent necessity for the development of rapid and green analysis methods for detecting MPs in dairy products and breast milk.
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This study investigated the presence of microplastics in milk products consumed by infants and young children during early childhood. Microplastic particles were detected across multiple milk sources, raising concerns about early-life dietary exposure to plastic contaminants. The findings highlight the need for stricter monitoring of microplastic contamination in infant food products.
Microplastics in Dairy Products: Occurrence, Characterization, Contamination Sources, Detection Methods, and Future Challenges
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Researchers reviewed 17 studies on microplastic contamination in milk and dairy products and found concentrations ranging from undetectable to over 10,000 particles per kilogram, with baby milk powder showing the highest levels. The most common plastics found were polyethylene, polypropylene, polyamide, and polyester, including some types considered harmful to human health. The study highlights that dairy products are particularly susceptible to microplastic contamination from packaging, processing equipment, and the environment.
Süt Ve Süt Ürünleri̇nde Mi̇kroplasti̇k Varliği, Sağlik Üzeri̇ne Etki̇leri̇ Ve Mi̇kroplasti̇k Ayirma Yöntemleri̇
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This review examines microplastic contamination in milk and dairy products, summarizing sources of contamination, potential health effects of microplastic exposure, and the various separation and detection methods used to identify microplastics in food — highlighting the growing concern for both environmental and human health.
Microplastic in milk and dairy products: Research quality, abundance, sources, and transfer mechanisms
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Researchers systematically reviewed evidence on microplastic contamination in milk and dairy products, applying quality control scoring to assess data reliability across studies. They found widespread MP contamination in dairy products with packaging and processing environments as primary sources, though inconsistent methods make quantitative comparisons difficult.
Detection and Characterization of Small-Sized Microplastics (≥ 4 µm) in Milk Products
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Researchers detected and characterized small microplastic particles down to 4 micrometers in size in milk products including raw milk, pasteurized milk, and infant formula, finding particles in all product types. The presence of microplastics in dairy products indicates that food processing and packaging are introduction pathways for plastic contamination in foods consumed widely including by infants.
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