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Quality assessment of the blue mussel (Mytilus edulis): Comparison between commercial and wild types
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Researchers compared the quality of commercially farmed blue mussels to wild-caught individuals, assessing multiple quality indicators and finding differences in condition, contaminant load, and microplastic content between the two production sources.
This study compared species identity, microplastics, chemical and microbial contamination between consumption mussels and wild type mussels, collected at Belgian department stores and Belgian groynes and quaysides, respectively. Species identification based on genetic analysis showed a high number of Mytilus (M.) edulis compared to M. galloprovincialis and M. edulis/galloprovincialis hybrid mussels. The number of total microplastics varied from 2.6 to 5.1 fibres/10 g of mussel. A higher prevalence of orange fibres at quaysides is related to fisheries activities. Chemical contamination of polycyclic aromatic hydrocarbons and polychlorobiphenyls could be related to industrial activities and water turbidity, with maximum concentrations at the quayside of port Zeebrugge. The inverse was noted for Escherichia coli contamination, which was relatively low at Zeebrugge quayside with a total count of 3.9 × 10(2)CFU/100 g tissue, due to limited agricultural effluents. Results of this complementary analysis stress the importance of integrated monitoring and quality assessment.
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Abundance and characterization of microplastics in wild and cultured blue mussels (Mytilus edulis) and American oysters (Crassostrea virginica) from Nova Scotia
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Researchers quantified and characterized microplastics in wild and cultured blue mussels (Mytilus edulis) and American oysters (Crassostrea virginica) from Nova Scotia, assessing how plastic contamination varies between farmed and wild bivalves in Canadian coastal waters.
Quantification and characterization of microplastics in blue mussels (Mytilus edulis): protocol setup and preliminary data on the contamination of the French Atlantic coast
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Researchers quantified and characterized microplastics in blue mussels from a study site, finding microplastics in a large proportion of sampled individuals and documenting the types and sizes of particles present.
Microplastics in blue mussels (Mytilus edulis) from the marine environment of coastal Norway
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Blue mussels (Mytilus edulis) from coastal Norwegian waters were examined for microplastic contamination, with particles identified by visual inspection and Raman spectroscopy. The study documents the types and abundances of microplastics ingested by wild mussels, which are widely consumed as seafood, raising questions about human dietary exposure.
A comparison of microplastics in farmed and wild shellfish near Vancouver Island and potential implications for contaminant transfer to humans
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Researchers compared microplastic concentrations in farmed and wild blue mussels, Manila clams, and Pacific oysters near Vancouver Island, finding significantly higher microplastic numbers in farmed shellfish than their wild counterparts.
Quantification and characterization of microplastics in blue mussels (Mytilus edulis): protocol setup and preliminary data on the contamination of the French Atlantic coast
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This international study developed protocols for quantifying and characterizing microplastics in blue mussels (Mytilus edulis) and reported preliminary contamination data from France's Atlantic coast, where mussels are both a key biomonitor species and a widely consumed seafood.
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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.