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Occurrence and Characterization of Microplastics in Pelagic Fish Species from the East Coast of Peninsular Malaysia
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This study investigated microplastic presence in the livers of Indian mackerel and yellowtail scad from Pahang and Kelantan on Malaysia's east coast, finding an abundance of 0.067 particles per fish using stereomicroscopic identification and ATR-FTIR polymer characterization. Detected polymers included PDAP, PBT, PP, PCT, and HDPE in predominantly fragment and filament forms, with microplastic presence in fish livers raising concerns about contamination of other vital organs and the need for further research on exposure pathways.
Microplastic contamination in marine environments is a growing concern, particularly in fish species consumed by humans. This study investigates the presence and characteristics of microplastics in the livers of Indian mackerel (Rastrelliger kanagurta) and yellowtail scad (Atule mate) collected from Pahang and Kelantan. The abundance of microplastics was quantified for each species at each location, with the total count normalized by the number of fish analyzed following the extraction and identification process. Microplastic identification was conducted using a Stereoscopic Microscope, while polymer composition was determined through ATR-FTIR spectroscopy. The microplastic abundance recorded was 0.067 particles per fish. The microplastic identified were predominantly fragments and filaments in red, black, and grey colors. The polymers found were poly(diallyl phthalate) (PDAP), poly(butylene terephthalate) (PBT), polypropylene (PP), poly(cyclohexylenedimethylene terephthalate) (PCT), and high-density polyethylene (HDPE). The finding of microplastics in fish livers provides preliminary evidence of contamination and suggests direct exposure of these vital organs. This raises serious concerns about potential contamination in other crucial organs, including the gills, gastrointestinal tract, tissues, and even the brain. This highlights the need for further research on microplastic exposure pathways and its ecological implications along the east coast of Peninsular Malaysia
More Papers Like This
Occurrence and Characterization of Microplastics in Pelagic Fish Species from the East Coast of Peninsular Malaysia
AI summary Read the abstract
This study investigated microplastic presence in the livers of Indian mackerel and yellowtail scad from the east coast of Peninsular Malaysia, finding an abundance of 0.067 particles per fish with fragments and filaments in red, black, and gray colors as dominant forms. Polymer types identified by ATR-FTIR included PDAP, PBT, PP, PCT, and HDPE, with liver contamination suggesting direct organ exposure to microplastics.
Microplastic contamination in pelagic fishes from the east coast of Peninsular Malaysia
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Researchers extracted and identified microplastics from the livers of Indian mackerel and yellowtail scad collected from two states on Malaysia's east coast. Both species contained microplastics, with fiber shapes predominating, and contamination levels varied by location, highlighting regional differences in microplastic exposure risk for commercially important fish.
The Occurrence of Microplastic Ingestion in Commercial Marine Fish in Miri, Sarawak, Malaysia
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Microplastics were found in the gastrointestinal tracts of all three commercial marine fish species examined from Miri, Sarawak, Malaysia, at concentrations of 47–367 items/kg, with polyester fibers under 1 mm predominating. The study establishes a baseline for microplastic ingestion in Malaysian marine fish and highlights potential pathways for human exposure through seafood consumption.
Microplastics Contamination of Mackerel and Red Snapper as Commercial Fish from the Takalar Fish Landing, Indonesia
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Researchers identified and characterized microplastics from mackerel and red snapper tissues collected at the Takalar Fish Landing, Indonesia, using FTIR spectroscopy to confirm polymer types after counting particles by shape, size, and color, while implementing contamination-prevention protocols to ensure result accuracy.
Identification and Quantification of Microplastics in Mackerel (Rastrelliger sp) at the Tual City Fish Market
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Researchers identified and quantified microplastics in the digestive tracts of mackerel from the Tual City fish market in Indonesia using microscopy and FTIR analysis, confirming the presence of multiple polymer types in commercially sold fish.
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