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Sustainable depuration using environmentally friendly adsorbents as mitigation of microplastics in edible shellfish in Indonesian coastal waters
Summary
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.
Marine plastic pollution has led to the accumulation of microplastics in edible mollusks, which may pose a health risk to humans.Depuration offers a sustainable method for reducing microplastic content in seafood.This study investigated the efficiency of microplastic depuration in Meretrix meretrix using natural adsorbents derived from banana peels and corn cobs for 12, 24, and 48 hours.A completely randomized experimental design was applied, and microplastic concentrations were measured and analyzed using analysis of variance (ANOVA).Depuration time significantly affected microplastic removal, with the highest efficiency observed after 48 hours.The average microplastic concentration decreased from 4.27 MPsind at 24 hours to 2.53 MPsind at 48 hours.Both adsorbents reduced microplastic content, with corn cobs achieving greater removal than banana peels.These results indicate that agricultural by-products can serve as effective and low-cost depuration agents to reduce microplastic contamination in shellfish, providing a practical approach to improving food safety in aquaculture.