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Investigation of microplastic contamination in blood cockles and green mussels from selected aquaculture farms and markets in Thailand

Chemosphere 2022 63 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Sandhya Babel, Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Anh Tuan Ta Sandhya Babel, Piyathida Pupuang, Anh Tuan Ta Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Piyathida Pupuang, Anh Tuan Ta Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Sandhya Babel, Anh Tuan Ta Sandhya Babel, Li Pang Wang, Li Pang Wang, Li Pang Wang, Anh Tuan Ta Sandhya Babel, Li Pang Wang, Anh Tuan Ta

Summary

Researchers investigated microplastic contamination in blood cockles and green mussels from aquaculture farms and markets in Thailand using fluorescence microscopy and micro-FTIR spectroscopy. They found microplastics present in all samples, with fibers being the most common shape and varying abundance levels across different collection sites. The study raises concerns about microplastic contamination in commercially farmed and sold bivalves as a pathway for human dietary exposure.

Polymers

PE PP nylon

Models

Invertebrate other

Recent studies have indicated that bivalves are bioindicators for microplastic pollution since they are filter feeders and accumulate microplastics (MPs) during their feeding process. This study focused on the investigation of MPs in blood cockles (Tegillarca granosa) and green mussels (Perna viridis) from selected aquaculture farms and markets in Thailand. The abundance of MPs was identified by fluorescence microscopy with Nile Red tagging and the polymer detection by micro-Fourier Transform Infrared Spectroscopy (micro-FTIR). The number of MPs in blood cockle samples from the Khlong Dan market and the BangBo aquaculture farm was 11 ± 5 and 6 ± 1 particles/individual, respectively. For green mussel samples, the number of MPs from the Talaad Thai market and the Sriracha fisheries research station was 96 ± 19 and 11 ± 7 particles/individual, respectively. The results of the study indicate that the number of MPs in bivalve samples from the markets is much higher than in the aquaculture farms. This probably is due to the contamination of MPs in bivalves during the packaging and transportation processes. However, further studies are needed to confirm this. The predominant MPs were fragments and fibres with a size range of 0.05-0.3 mm. Most polymers were polypropylene, polyethylene, copolymer, polyester, and nylon. In brief, this study showed the contamination of MPs in bivalves cultivated for human consumption. The accumulation of MPs in these marine bivalves can lead to the biomagnification of MPs along the food chain. This can impact food safety and human health.

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