Microplastics in Different Tissues of a Commonly Consumed Fish, Scomberomorus guttatus, from a Large Subtropical Estuary: Accumulation, Characterization, and Contamination Assessment
Biology2023
37 citations
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M. Belal Hossain
Partho Banik,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Partho Banik,
M. Belal Hossain
M. Belal Hossain
Bilal Ahamad Paray,
M. Belal Hossain
Bilal Ahamad Paray,
Farjana Haque Pingki,
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
Partho Banik,
As-Ad Ujjaman Nur,
Partho Banik,
Partho Banik,
Partho Banik,
Farjana Haque Pingki,
M. Belal Hossain
Farjana Haque Pingki,
Jimmy C. Yu,
Jimmy C. Yu,
Partho Banik,
M. Belal Hossain
Partho Banik,
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
Partho Banik,
Partho Banik,
Md. Abul Kalam Azad,
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
Partho Banik,
Partho Banik,
Md. Abul Kalam Azad,
Bilal Ahamad Paray,
Partho Banik,
Partho Banik,
Partho Banik,
Partho Banik,
Partho Banik,
Partho Banik,
Partho Banik,
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
Bilal Ahamad Paray,
Partho Banik,
Partho Banik,
Partho Banik,
As-Ad Ujjaman Nur,
Partho Banik,
Partho Banik,
Partho Banik,
Partho Banik,
M. Belal Hossain
Partho Banik,
As-Ad Ujjaman Nur,
Partho Banik,
Partho Banik,
Partho Banik,
As-Ad Ujjaman Nur,
Partho Banik,
Partho Banik,
Partho Banik,
Partho Banik,
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
Bilal Ahamad Paray,
Takaomi Arai,
Partho Banik,
Bilal Ahamad Paray,
Takaomi Arai,
Takaomi Arai,
Partho Banik,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Jimmy C. Yu,
Jimmy C. Yu,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Takaomi Arai,
As-Ad Ujjaman Nur,
As-Ad Ujjaman Nur,
Bilal Ahamad Paray,
As-Ad Ujjaman Nur,
Takaomi Arai,
Takaomi Arai,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Partho Banik,
Partho Banik,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
Jimmy C. Yu,
M. Belal Hossain
M. Belal Hossain
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Takaomi Arai,
Takaomi Arai,
M. Belal Hossain
Takaomi Arai,
Jimmy C. Yu,
Bilal Ahamad Paray,
Takaomi Arai,
Bilal Ahamad Paray,
M. Belal Hossain
Jimmy C. Yu,
Jimmy C. Yu,
Takaomi Arai,
M. Belal Hossain
Bilal Ahamad Paray,
Bilal Ahamad Paray,
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
M. Belal Hossain
Jimmy C. Yu,
Jimmy C. Yu,
Takaomi Arai,
Takaomi Arai,
Bilal Ahamad Paray,
Takaomi Arai,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
Bilal Ahamad Paray,
M. Belal Hossain
Takaomi Arai,
Takaomi Arai,
Jimmy C. Yu,
Takaomi Arai,
M. Belal Hossain
M. Belal Hossain
Jimmy C. Yu,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
Takaomi Arai,
M. Belal Hossain
Summary
Researchers found microplastics in the muscle tissue (the part people eat) of king mackerel from a major estuary in Bangladesh, averaging about 49 particles per fish. The smallest microplastics, under 0.5 millimeters, were the most common in muscle tissue, meaning they are most likely to enter the human diet. This study confirms that commercially important fish species carry microplastics in their edible flesh, creating a direct pathway for human exposure through seafood consumption.
Microplastics (MPs) ingestion by fish signifies a worldwide threat to human health but limited research has examined their existence within the consumable portions (muscle) of fish. Thus, this study was undertaken to unveil the prevalence, characterization, and contamination extent of MPs across various body tissues, including the muscle of the king mackerel (<i>S. guttatus</i>) from the lower Meghna estuary in Bangladesh-a pioneering investigation in this region. In our analysis, we identified a total of 487 MPs, with an average abundance of 48.7 ± 20.3 MPs/individual. These MPs were distributed across different tissues, with respective concentrations of 0.84 ± 0.45 items/g in the digestive tract, 2.56 ± 0.73 items/g in the gills, and 0.3 ± 1.72 items/g in the muscle tissue. The observed variations among these tissue types were statistically significant (<i>p</i> < 0.05). Moreover, a significant positive correlation indicated that fish with higher weight had higher MPs in their gills and DT (digestive tract). The majority were <0.5 mm in size (97.74%) and exhibited a fiber-like shape (97.74%), with a notable prevalence of transparent (25.87%) and a pink coloration (27.92%). Remarkably, the majority of MPs were discovered within the size range of <0.5-1 mm (100%), particularly in the muscle tissue, signifying a substantial transfer of MPs into the human diet. Besides, we discovered only three polymer types of microplastics which could be attributed to the extensive use of food packaging, plastic containers, wrapping plastics, residential garbage, and plastic pipes that end up in the aquatic environment via river discharges. The contamination factor (CF) values of fish muscle (5.75) and the digestive tract (5.50) indicated that these fish organs were considerably contaminated (3 < CF < 6) with MPs. The pollution index of MPs (PLI > 1) indicated a high contamination level for MPs pollution of <i>S. guttatus</i> in the lower Meghna River estuary.