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자료유형
학술저널
저자정보
Rahman, Mokhlesur (Department of Agricultural Chemistry, Bangladesh Agricultural University) Jiku, Abu Sayem (Department of Agricultural Chemistry, Bangladesh Agricultural University) Alim, Abdul (Department of Food Technology and Rural Industries, Bangladesh Agricultural University) Kim, Jang-Eok (School of Applied Biosciences, Kyungpook National University)
저널정보
한국응용생명화학회 Journal of applied biological chemistry Journal of applied biological chemistry 제57권 제2호
발행연도
2014.1
수록면
131 - 136 (6page)

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An attempt was made to assess metal ionic toxicity levels of different fishes in the polluted rivers viz., Buriganga and Turag. Fish samples collected from two polluted rivers were analyzed for the levels of metals such as Cd, Cr, Cu, Mn, Pb, and Zn in order to elucidate the status of these contaminants in fish meant for human consumption. The detected concentrations of Cr, Cu, Mn, and Zn ions in fish species collected from the polluted rivers were below the toxic levels and did not appear to pose a threat. Among the analyzed metals, Cd and Pb ions were detected above the permissible levels in liver and muscle tissues of stinging catfish (Heteropneustesfossilis), spotted snakehead (Channapunctata) and wallago (Wallagoattu) collected from the polluted rivers causing toxicity for human consumption. Stinging catfish (Heteropneustesfossilis) was the species found to highly bioaccumulate these metals. Fish species bioconcentrated appreciable amounts of Cd and Pb as toxic metals in the liver as compared to the muscle. Levels of these toxic metals varied depending on different tissues in fish species.

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