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Depuration of mussels (Pilsbryoconcha exilis) from microplastics using banana peel adsorbents in coastal areas of Indonesia
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Researchers tested whether banana peel—a natural adsorbent—could effectively depurate the freshwater mussel Pilsbryoconcha exilis of microplastics, varying depuration time across 12, 24, and 36 hours. Depuration effectiveness fluctuated across time points with no consistent improvement at longer durations, suggesting that banana peel adsorbent alone does not provide a reliable MP purification protocol for this mussel species.
Global contamination of the marine environment by plastics has led to the discovery of microplastics in various marine species, including those for human consumption. Depuration reduces the concentration of microplastics and in turn, reduces human exposure to microplastics that enter the human body. This study looked at the effectiveness of microplastic depuration on Pilsbryoconcha exilis using a natural adsorbent from banana peel. An investigation was also conducted on effectiveness by time variation to determine the most viable depuration time. A completely randomised design was employed with two repetitions of mussel treatment for durations of 12, 24, and 36 h. The results showed that the effectiveness of depuration by time variation was fluctuating. The most effective depuration time was 12 h. The highest average concentration of microplastics, 0.555 MPs∙ind–1, occurred after 24 h of depuration, while the lowest, 0.370 MPs∙ind–1, did after 12 h of depuration. Dry banana peel as a depuration adsorbent was proven to reduce the number of microplastics. More research is needed on depuration and the most effective types of adsorbents. Research like this will help many people reduce the quantity of microplastics that enter the body.
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Sustainable depuration using environmentally friendly adsorbents as mitigation of microplastics in edible shellfish in Indonesian coastal waters
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This study tested the efficiency of depuration using natural adsorbents from banana peels and corn cobs to reduce microplastic content in the shellfish Meretrix meretrix over 12, 24, and 48 hours. After 48 hours, corn cobs achieved greater microplastic removal than banana peels, reducing average microplastic concentration from 4.27 to 2.53 particles per individual, demonstrating agricultural by-products as low-cost, effective tools for improving food safety in aquaculture.
Depuration reduces microplastic content in wild and farmed mussels
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Wild and farmed mussels from Guanabara Bay, Brazil were found to contain microplastics, and a 96-hour depuration period significantly reduced but did not fully eliminate microplastic content. The study demonstrates that depuration can reduce microplastic burden in commercially sold shellfish, with important implications for seafood safety.
Analisis Mikroplastik Pada Kerang Kijing (Pilsbryoconcha exilis) Di Sungai Perancak, Jembrana, Bali
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This Indonesian study examined microplastic contamination in freshwater mussels (Pilsbryoconcha exilis) from the Peranap River, finding that plastic debris in the river was a major source of microplastic exposure for these filter-feeding animals. The results raise concerns about microplastic accumulation in organisms consumed by local communities.
Microplastic accumulation and reduction in shellfish (Polymesoda bengalensis) using NaCl solution
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Researchers investigated microplastic contamination in the shellfish Polymesoda bengalensis from three West Sumatran estuaries and tested the effectiveness of NaCl solution treatment in reducing MP levels prior to consumption, using microscopy and ATR-FTIR to quantify and identify the polymer types present.
Effectiveness of Corn Cobs in Reducing Microplastic Content in Bamboo Clams (Solen sp.) in Tanjung Mallasoro
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This study tested whether natural corn cob material could help remove microplastics from bamboo clams before they reach consumers. The results are relevant to food safety because shellfish accumulate microplastics from polluted water, and finding effective ways to reduce contamination could lower human dietary exposure.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.