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61,005 resultsShowing papers similar to Release of Microplastics from Reusable Kitchen Plasticware and Generation of Thermal Potential Toxic Degradation Products in the Oven
ClearMicro (nano) Plastics Released from Plastic Food Containers
Researchers found that plastic food containers release micro- and nanoplastics into food under both hot-water and microwave heating, with the quantity increasing with repeated reuse, raising concerns about dietary exposure from everyday kitchen plastics.
Microplastic and PTFE contamination of food from cookware
Researchers tested whether plastic cookware releases microplastics into food during everyday cooking steps like heating, mixing, and storage, and found that both new and old plastic cookware introduced thousands of plastic particles per year into home-cooked meals. Non-plastic cookware did not add any microplastics, suggesting that switching to non-plastic pots and utensils could meaningfully reduce dietary microplastic intake.
Baking releases microplastics from polyethylene terephthalate bakeware as detected by optical photothermal infrared and quantum cascade laser infrared
Researchers baked PET plastic bakeware at 220 degrees Celsius and found that significant numbers of microplastics were released into the water, with the amount increasing substantially after repeated baking cycles. The particles were mostly between 1 and 20 micrometers in size, small enough to potentially be absorbed by the body. This study provides direct evidence that using plastic bakeware at high temperatures is a meaningful source of microplastic exposure in food.
Quantification of microplastics released from plastic food containers during rinsing and migration by pyrolysis-gas chromatography/mass spectrometry
Researchers measured microplastics released from plastic food containers during normal rinsing and when exposed to different food types and temperatures. All containers released microplastics matching their material, and high-fat foods, extreme temperatures, and longer exposure times increased the amount released. This study confirms that plastic food packaging is an important and direct source of microplastic exposure for people through their everyday meals.
From Kitchen to Cell: A Critical Review of Microplastic Release from Consumer Products and Its Health Implications
This review examines how everyday consumer products such as food packaging, kitchen utensils, and household appliances release microplastics directly into the food and beverages we consume. The authors link release mechanisms like thermal stress, mechanical abrasion, and chemical leaching to potential human health risks. The study highlights a gap in industry and regulatory responses to this direct exposure pathway.
Nanoplastic release from disposable plastics: Correlation with maximum service temperature
Testing five types of disposable plastics confirmed that nanoplastic release correlates with maximum service temperature, with materials used beyond their temperature limits releasing significantly more nanoplastics when packaging hot food, cooking in ovens, or using microwaves.
Beyond the food on your plate: Investigating sources of microplastic contamination in home kitchens
This review highlights that kitchen tools and processes -- not just food itself -- are significant sources of microplastic exposure. Cutting boards, cooking utensils, food storage containers, and cleaning equipment all release microplastic particles through mechanical wear, heat, and chemical contact during everyday food preparation. The findings suggest that reducing microplastic intake requires attention to the entire kitchen environment, not just the food we buy.
Analysis of microplastics released from plastic take-out food containers based on thermal properties and morphology study
Researchers found that plastic take-out food containers made of polypropylene, polyethylene, and expanded polystyrene release microplastics into hot water, with over 96% of particles smaller than 10 micrometers and concentrations varying by material type and temperature.
Study of the release of microplastics during the use phase of products from the plastics industry
Researchers investigated microplastic release during the use phase of plastic consumer products across multiple product categories from the plastics industry, examining how ordinary use conditions generate plastic particles that enter food and the environment. The study contributes to understanding the full microplastic lifecycle as the plastics industry transitions toward reuse-oriented product models.
Evidence of Sub‐Micrometric Plastic Release When Heating Food Containers Based on Light Scattering Measurements
Researchers used light scattering measurements to detect sub-micrometric plastic particles released from food containers when heated. They found evidence that food-grade containers release tiny plastic fragments during normal heating conditions, at sizes below what most conventional detection methods can capture. The study suggests that current estimates of microplastic exposure from food packaging may undercount the actual amount released.
Investigation of the impact of microwave treatment on the aging of polypropylene microplastics
This study investigated how microwave heating of plastic food containers affects polypropylene microplastic properties, including surface chemistry and fragmentation potential. Microwave treatment altered the aging state of polypropylene particles, suggesting that routine kitchen use of plastic containers accelerates the release of microplastics into food.
Investigation of the impact of microwave treatment on the aging of polypropylene microplastics
This study investigated how microwave heating affects polypropylene microplastics used in common food containers, examining changes in surface chemistry, fragmentation, and potential additive release under typical household cooking conditions. Microwave treatment accelerated aging and altered particle properties of polypropylene microplastics, suggesting routine microwave use of plastic containers promotes microplastic release into food.
Disposable plastic materials release microplastics and harmful substances in hot water
Researchers tested whether disposable plastic items release particles when exposed to hot water, mimicking everyday use with hot food and drinks. They found that a single exposure to boiling water released over a million submicron and microplastic particles per milliliter from common disposable containers. The study also detected harmful chemical substances in the leachate, suggesting that routine use of disposable plastics with hot beverages poses an underrecognized exposure risk.
Leachability of microplastic from different plastic materials
This study tested the leachability of microplastics from several common plastic materials under environmental conditions, finding that plastic type and degradation state influence how readily microplastic particles are released.
Migration testing of microplastics from selected water and food containers by Raman microscopy
Researchers tested microplastic migration from common food and water containers made of polypropylene, PET, and polystyrene under FDA-guided conditions. The study found that hundreds of thousands of microplastic particles per liter can be released, with higher temperatures, fatty food simulants, and direct microwave heating significantly increasing particle release, suggesting that everyday food container use may be a notable source of microplastic exposure.
Microplastics release from victuals packaging materials during daily usage
Researchers investigated microplastic release from food packaging materials during daily usage, with a focus on polystyrene foam containers. The study found that these containers release microplastic particles during routine handling, heating, and food contact, suggesting that food packaging is a significant and direct source of human microplastic exposure.
A systematic review of microplastics emissions in kitchens: Understanding the links with diseases in daily life
This systematic review examines how everyday kitchen items like non-stick pans, plastic cutting boards, and disposable utensils release microplastics into our food during normal use. The researchers found that kitchens are a major source of microplastic exposure and propose practical steps to reduce contamination, which could help lower the health risks tied to ingesting these tiny particles.
Migration of (non-) intentionally added substances and microplastics from microwavable plastic food containers
Researchers investigated the migration of chemicals and microplastics from microwavable plastic food containers into food simulants. They identified 42 intentionally added substances and over 100 non-intentionally added substances that migrated from the containers, with migration rates being higher in fatty food simulants and decreasing with repeated use, raising questions about potential health risks from everyday microwave container usage.
Detection of nanoplastics released from consumer plastic food containers by electromagnetic heating pyrolysis mass spectrometry
Researchers developed a rapid method combining electromagnetic heating with mass spectrometry to detect and quantify nanoplastics released from consumer plastic food containers. They found that common containers released measurable quantities of nanoplastic particles, with concentrations varying based on container type and heating conditions. The study provides evidence that everyday food packaging is a direct source of nanoplastic exposure through the diet.
A Hidden Pathway for Human Exposure to Micro- and Nanoplastics—The Mechanical Fragmentation of Plastic Products during Daily Use
This review examines a commonly overlooked source of human microplastic exposure: the mechanical wear and fragmentation of everyday plastic products during normal use. Researchers found that activities like opening containers, using cutting boards, and handling plastic items release significant quantities of micro- and nanoplastics directly into our immediate environment. The study highlights that this daily fragmentation pathway may contribute more to personal microplastic exposure than previously appreciated.
Degradation of food-contact plastics in use: Effect of temperature and chemical composition
Researchers examined how common food-contact plastics (polypropylene, polyethylene, PET, and polycarbonate) degrade under conditions that mimic everyday use, including varying temperatures and chemical environments. The study found that elevated temperatures promoted oxidation and hydrolysis of these plastics, while both acidic and alkaline solutions enhanced surface degradation, potentially increasing microplastic release into food and beverages.
微纳米塑料在典型日用塑料制品使用过程中的释放规律及机制
This Chinese study investigated the release of micro- and nanoplastics from everyday plastic products including food containers, tableware, and clothing during normal use, characterizing release rates and mechanisms and estimating daily human exposure from common household items.
Determination of the microplastic particle release by tea bags during brewing
Researchers measured the release of microplastic particles from tea bags during brewing, finding that plastic particles leach into the hot beverage. This study highlights an often-overlooked source of microplastic ingestion through everyday food and drink preparation.
Toxicity of plastic consumer products: a biological, chemical and social-ecological analysis
This study analyzed the toxic chemicals found in consumer plastic products, including additives, monomers, and processing by-products that can leach into food or the environment. The findings highlight that plastic toxicity extends beyond microplastic particles themselves — the chemicals embedded in plastics pose significant health risks through food packaging and environmental contamination.