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Metada on human bioaccessibility of phthalates and bisphenol A from microplastics
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This entry provides metadata linking to a study by Lopez-Vazquez et al. that investigated the oral bioaccessibility of bisphenol A and phthalate esters leaching from microplastics under simulated fed and fasted gastrointestinal conditions, finding that digestive state significantly influenced the release of these chemical additives.
Metada on human bioaccessibility of phthalates and bisphenol A from microplastics from: J. López-Vázquez et al. Mimicking human ingestion of microplastics: Oral bioaccessibility tests of bisphenol A and phthalate esters under fed and fasted states. Science of the Total Environment 826 (2022) 154027
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Metada on human bioaccessibility of phthalates and bisphenol A from microplastics
AI summary Read the abstract
This entry provides metadata linking to a study by Lopez-Vazquez et al. that investigated the oral bioaccessibility of bisphenol A and phthalate esters leaching from microplastics under simulated fed and fasted gastrointestinal conditions, finding that digestive state significantly influenced the release of these chemical additives.
Mimicking human ingestion of microplastics: Oral bioaccessibility tests of bisphenol A and phthalate esters under fed and fasted states
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Researchers simulated human digestion to measure how much bisphenol A and phthalate esters leach from polyethylene and PVC microplastics under fasting and fed conditions. They found that polar additives like dimethyl phthalate and BPA had the highest bioaccessibility, ranging from 37% to 92%, with greater release from the more flexible LDPE polymer. The study suggests that chemical additives in ingested microplastics can become bioaccessible during human digestion, with release rates depending on the plastic type and additive properties.
An automatic flow-through system for exploration of the human bioaccessibility of endocrine disrupting compounds from microplastics
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An automated flow-through system was developed to investigate the bioaccessibility of plastic-borne contaminants in the human gastrointestinal tract using physiologically relevant body fluids. The system measured leaching rates of plastic additives under fasted and fed state conditions, providing the first mechanistic data on how ingested microplastics release chemical contaminants in the human gut.
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Researchers investigated bisphenol A desorption from three types of microplastics under simulated gastrointestinal conditions, finding that ingested microplastics can release adsorbed BPA during digestion, posing potential health risks.
Processes influencing the toxicity of microplastics ingested through the diet
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This study investigated what happens to chemical additives in microplastics when the plastics go through cooking and human digestion. Researchers found that both culinary processes and gastrointestinal conditions caused plastics to release potentially harmful chemicals, including phthalates and bisphenol A, suggesting that microplastics in food may be a meaningful route for chemical exposure in people.
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