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From Food Packaging and Food-Contact Articles to Plate: Systematic Review and Meta-Analysis of Nanoplastics and Microplastics Release
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This record is a supporting dataset and analysis code, not a standalone study. It contains the data and statistical models examining how temperature and repeated use affect the release of nanoplastics and microplastics from food packaging, used in a related systematic review and meta-analysis.
Extraction dataset and analysis code for the slope-based meta-regression reported in "From Packaging to Plate: Systematic Review and Meta-Analysis of Nanoplastics and Microplastics Release from Food Packaging" (submitted to Journal of Hazardous Materials: Plastics, manuscript HAZMP-D-26-00246), covering the temperature (§3.4) and repeated-use (§3.6) slope models described in §2.4 and Text S2. This repository covers the slope-based meta-regression only.
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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.
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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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