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Qualitative Assessment and Management of Microplastics in Asian Green Mussels (Perna viridis) Cultured in Bacoor Bay,Cavite, Phillipines

SHILAP Revista de lepidopterología 2016 18 citations

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Green mussels cultured in Bacoor Bay in the Philippines were found to contain microplastics, which can accumulate persistent organic pollutants in the tissues of filter-feeding shellfish. Since green mussels are widely consumed as food, the findings raise food safety concerns about the combined exposure to microplastics and associated chemical contaminants.

Microplastics (> 5 mm) have gained popularity in research and the public eye in recent years. This is due to the fact that they contain persistent organic pollutants (POPs) which pose potential risks to the environment and human health. Bivalves, which are filter feeders, are considered to be good indicators of marine pollution. In this preliminary study, Asian green mussel (Perna viridis), an example of edible bivalve, cultured in Bacoor Bay, Cavite, Philippines was subjected to qualitative analysis to determine the presence of microplastics. Through microscopic analysis, microplastics were found present in the acid-digested mussel soft tissue. A management program is suggested for policy makers and stakeholders to reduce the negative impact of microplastic pollution to both humans and the marine environment.

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Microplastics were found in green mussels from Bacoor Bay in the Philippines, with an average of several particles per individual, confirming that commercially farmed bivalves in Southeast Asia are contaminated and representing a potential human exposure route through seafood consumption.

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Researchers in the Philippines found microplastics in both mussels and Manila clams from two coastal locations, with mussels from the more urbanised Bacoor City site containing the highest amounts. Because these shellfish are consumed frequently — sometimes daily — by local communities, the findings point to a regular dietary route of microplastic exposure for the population.

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