We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Microplastic contamination in commercial and traditional dairy products: occurrence, characteristics, and potential risk
AI summary Read the abstract
Researchers analyzed microplastic contamination in 15 widely consumed dairy products from Bangladesh, including industrial and traditional items. The study found microplastic concentrations ranging from about 1,600 to over 5,100 particles per kilogram, with fibers and polyethylene being the dominant types largely attributed to packaging. Estimated daily intakes varied significantly by age, with children facing higher exposure per body weight than adults.
This study investigates the occurrence, characteristics, and potential health risks of microplastics (MPs) in fifteen widely consumed dairy products from Bangladesh, including industrial and traditional items. Abundances (MPs/kg) ranged from 1643 ± 94 in strawberry yogurt to 5143 ± 120 in mango milk; among solids, industrial yogurt (4616 ± 103) and milk powder (4159 ± 86) were the most contaminated. Fibers dominated (78-90 %), and polyethylene (68-73 %) plus polypropylene (17-20 %) together accounted for over 88 % of polymers. The diversity integrated index (DII) revealed higher heterogeneity in liquids (up to 0.56) than in solids (as low as 0.32). Hierarchical clustering separated industrial products from flavored and traditional ones, and principal component analysis distinguished packaging-derived polymers from process-related polymers. Contamination factor, pollution load index, and Nemerow pollution index classifications indicated moderate to high pollution in most samples. Polymeric hazard index (8.6-19.3) reflected variation in toxic polymer content. Estimated daily intakes varied significantly-children from 2.60 to 75.08 MP/kg.day and adults from 0.78 to 22.52 MP/kg.day-highlighting age-dependent exposure. These findings underscore the pervasive presence of MPs in dairy products, driven by packaging and processing, and call for standardized mitigation strategies to safeguard consumer health.
More Papers Like This
Microplastics contamination of milk and milk products in Bangladesh: Characterization, dietary exposure, and risk assessment
AI summary Read the abstract
Researchers analyzed raw, branded, and processed milk samples in Bangladesh and found microplastic contamination in all types, with branded milk containing the highest average concentration at about 156 particles per 100 mL. Children showed higher dietary exposure than adults, and the dominant particles were small transparent fibers made of polymers including PTFE, PET, and nylon, highlighting the need for monitoring and regulation in the milk supply chain.
Microplastics in the commercially available branded milk in Bangladesh: An emerging threat for human health
AI summary Read the abstract
Researchers found microplastics in all 25 commercially available milk brands tested in Bangladesh, with powdered milk containing more particles than liquid milk. Children were estimated to be exposed to 3.4 times more microplastics than adults through milk consumption, raising concerns about the health impacts of early-life microplastic exposure through a staple food.
Microplastics in Dairy Products: Occurrence, Characterization, Contamination Sources, Detection Methods, and Future Challenges
AI summary Read the abstract
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.
Abundance and characterization of microplastics in milk and dairy milk products with a special emphasis on possible health risk assessment: A global systematic review.
AI summary Read the abstract
This review combined global studies on tiny plastic particles found in milk and dairy products, finding levels ranging widely depending on testing methods used. Infant formula and breast milk showed the highest contamination, suggesting children may face greater exposure through these products than adults through other dairy items.
Occurrence, Characteristics, and Exposure Assessment of Microplastics in Commercial Dairy Products
AI summary Read the abstract
Scientists found tiny plastic particles (called microplastics) in every single dairy product they tested, likely coming from the packaging the food is stored in. Kids are especially exposed since they eat more relative to their body weight, and while we don't yet know the full health effects of eating these particles, this study is a first step toward understanding how much plastic is ending up in everyday foods like milk and yogurt.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.