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Human health and ecological risks associated with microplastic contamination in widely consumed catfish from a large-scale estuary

Journal of Food Composition and Analysis 2025 1 citation ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 53 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
M. Belal Hossain, Jahanara Akhter Lipi, M. Belal Hossain, Khadijatul Kubra Riya, M. Belal Hossain, Jahanara Akhter Lipi, Partho Banik, Partho Banik, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, Partho Banik, Partho Banik, Khadijatul Kubra Riya, M. Belal Hossain, As-Ad Ujjaman Nur, M. Belal Hossain, M. Belal Hossain, Jimmy C. Yu, Partho Banik, Jahanara Akhter Lipi, Partho Banik, Khadijatul Kubra Riya, Khadijatul Kubra Riya, Khadijatul Kubra Riya, Jahanara Akhter Lipi, Partho Banik, Partho Banik, Khadijatul Kubra Riya, Khadijatul Kubra Riya, Khadijatul Kubra Riya, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, Jimmy C. Yu, Partho Banik, As-Ad Ujjaman Nur, Jahanara Akhter Lipi, Partho Banik, M. Belal Hossain, Partho Banik, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, Jahanara Akhter Lipi, Yeasmin Nahar Jolly, Partho Banik, As-Ad Ujjaman Nur, Partho Banik, Partho Banik, Khadijatul Kubra Riya, Khadijatul Kubra Riya, Partho Banik, Partho Banik, Partho Banik, Partho Banik, Partho Banik, Khadijatul Kubra Riya, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, M. Belal Hossain, Khadijatul Kubra Riya, Khadijatul Kubra Riya, Khadijatul Kubra Riya, Partho Banik, Partho Banik, Partho Banik, Partho Banik, Partho Banik, Partho Banik, Partho Banik, As-Ad Ujjaman Nur, Partho Banik, Partho Banik, Partho Banik, Yeasmin Nahar Jolly, Yeasmin Nahar Jolly, Yeasmin Nahar Jolly, Partho Banik, Partho Banik, Partho Banik, Partho Banik, Takaomi Arai Partho Banik, Takaomi Arai Takaomi Arai Partho Banik, Partho Banik, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, Jimmy C. Yu, Jimmy C. Yu, Takaomi Arai Takaomi Arai As-Ad Ujjaman Nur, As-Ad Ujjaman Nur, Norhayati Ngah, Takaomi Arai Partho Banik, Takaomi Arai Partho Banik, M. Belal Hossain, Norhayati Ngah, M. Belal Hossain, Jimmy C. Yu, Takaomi Arai Takaomi Arai Takaomi Arai Yeasmin Nahar Jolly, Takaomi Arai Takaomi Arai Takaomi Arai Takaomi Arai M. Belal Hossain, Jimmy C. Yu, Jimmy C. Yu, Takaomi Arai Takaomi Arai Norhayati Ngah, Norhayati Ngah, Norhayati Ngah, Jimmy C. Yu, M. Belal Hossain, Takaomi Arai Takaomi Arai Jimmy C. Yu, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, M. Belal Hossain, Takaomi Arai Takaomi Arai Takaomi Arai Jimmy C. Yu, Takaomi Arai Norhayati Ngah, Jimmy C. Yu, M. Belal Hossain, Takaomi Arai Takaomi Arai Norhayati Ngah, Norhayati Ngah, M. Belal Hossain, Takaomi Arai Takaomi Arai M. Belal Hossain, Jimmy C. Yu, Takaomi Arai M. Belal Hossain, Takaomi Arai Takaomi Arai

Summary

Researchers quantified microplastic contamination in two commercially important catfish species from the Meghna Estuary in Bangladesh, analyzing gills, digestive tracts, and muscle tissue. The study found tissue-specific patterns of microplastic accumulation and assessed both ecological and human health risks, highlighting concerns about dietary exposure through fish consumption in regions where fish is a primary protein source.

Microplastic (MP) pollution threatens aquatic ecosystems and food safety, yet organ‐specific contamination in tropical estuarine fish remains largely unexplored. In Bangladesh, where fish is a vital protein source, such assessments are critically lacking. This study quantified MPs in two commercially important catfishes, Pangasius pangasius and Mystus gulio (n = 60), from the Meghna Estuary, and assessed ecological and human health risks. MPs were extracted from gills, digestive tracts, and muscles and characterized by microscopy and FTIR. Results showed tissue‐specific patterns, with higher loads in gills and digestive tracts than in muscles. Mean abundance was significantly greater in P. pangasius (38.7 ± 10.1 items) than in M. gulio (23.9 ± 7.3 items). Fibers <0.5 mm, mostly violet, were dominant. Ecological risk indices revealed higher values for P. pangasius across all metrics: Polymeric Hazard Index (2,006 vs. 1,340), Risk Index (160 vs. 101.5), and Pollution Load Index (1.71 vs. 1.34), indicating substantial polymer-related risks and contamination level. Nylon posed the greatest hazard in P. pangasius (risk level, Eᵢ = 127.3), reflecting its persistence and adsorptive potential. Human exposure was higher from P. pangasius (2.44 particles/day for adults; 2.35 for children) than from M. gulio , confirming tissue‐ and species‐specific risks. • Higher MP abundance was found in Pangasius pangasius than Mystus gulio . • Fiber-shaped and <0.5 mm sized MPs were the dominant types in all tissues. • FTIR revealed nylon and EVA as the major polymers with species-specific variation. • High MPs level detected in muscle tissue, revealing direct dietary exposure risks. • P. pangasius showed high MP risk scores, supporting its role as a sentinel species.

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