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Analysis of Microplastics Released from Plastic Take-Out Food Containers based on Physicochemical Properties
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Researchers tested four types of plastic takeout food containers (PET, PP, EPS, and PE) to measure microplastics released into food, using properties like turbidity, density, and viscosity. One container type, labeled Glass, showed higher turbidity and density, suggesting more released microplastics, while another, labeled Dronas, showed lower turbidity, suggesting less release.
Microplastics (MPs) may be released into food from plastic takeout containers, potentially harming both human health and food safety. Here, MPs released from four different kinds of plastic food containers (polyethylene terephthalate; PET, polypropylene; PP, polystyrene; EPS, polyethylene; PE) were analysed using physicochemical properties like absorption, pH, Turbidity, Density and Viscosity. The findings show higher values of Turbidity, Density for Glass indicating high released MPs were smaller values of Turbidity for Dronas indicating low release of MPs. The four types of containers on average were found to have different MPs concentrations. Furthermore, our analysis revealed that the release of MPs found higher in Glass.
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Researchers tested take-out and dine-in food containers made from four plastic types, measuring microplastics released into water under different temperatures, pH levels and exposure times. More particles were released with hot water, higher pH and longer exposure. A computer model using this data predicted release amounts accurately, finding heat and plastic type were the main factors.
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