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Mikroplasty v mořských plodech a jejich dopad na lidské zdraví
Summary
This study investigated the ingestion of microplastics by commercially harvested oysters and the effect of depuration on particle clearance, finding that standard depuration protocols did not fully eliminate microplastics from oyster tissues. Particles retained in gill and mantle tissues after depuration may still be present in oysters sold for human consumption.
This bachelor thesis summarizes current knowledge regarding the accumulation of microplastic particles in the marine fauna and their impact on marine organisms. The uptake of microplastics has been demonstrated in laboratory and natural conditions in various marine organisms, including zooplankton, oysters, mussels, and shrimp. Microplastic particles are transferred from lower to higher taxonomic levels through the food chain via trophic transfer. The model transport within the food web was studied in a marine crab that was fed with mussels contaminated with microplastics. Microplastic fragments were able to penetrate from the crab's gastrointestinal tract into surrounding tissues. Microplastics are receiving a lot of attention in research as potential carriers of dangerous chemicals. The consequences of microplastic contamination on the food chain and human health are not sufficiently explored and require further study.