Proximate Compositions and Risk Assessment of Lead in Two Common Fishes (Labeo rohita and Barbonymus gonionotus) Collected from River and Farms of Bagerhat, Bangladesh
2021
M.A.R. Khan | M.S. Islam | M.S.A. Mamun
Background: Among the local fish species in Bangladesh, Labeo rohita and Barbonymus gonionotus are two popular fish species. The present work focused on proximate compositions (moisture, protein, fat, and ash) and risk assessment of lead in two common fishes (L. rohita and B. gonionotus) collected from river and farms of Bagerhat, Bangladesh. Furthermore, effect of freezing condition on fish lipid was studied. Methods: Proximate compositions of the fish samples were determined according to conventional methods. The lead contents were analyzed by wet digestion method using an atomic absorption spectrophotometer. The health risks models such as Estimated Daily Intake (EDI), Target Hazard Quotient (THQ), Hazard Index (HI), and Target Cancer Risk (TCR) were conducted for health risk assessment of the local people. Data were analyzed using SPSS software (version 16.0). Results: A positive correlation was found between moisture-protein and lipid-ash of the L. rohita fish. Besides, a positive relation was observed in ash-moisture, and lipid-protein for B. gonionotus. The lead content in river L. rohita, farm L. rohita, river B. gonionotus, and farm B. gonionotus was observed as 9.00, 9.20, 8.29, and 6.39 mg/kg, respectively. The lead content found in the fish species were above the permissible limit. The TCR revealed the carcinogenic effects to the local people due to exposure of lead. Conclusion: This study reflects some data about proximate values of L. rohita and B. gonionotus fishes. The concentrations of lead in the fish samples were above the safe limits, and may have carcinogenic effects of the local consumers in Bagerhat, Bangladesh. DOI: 10.18502/jfqhc.8.3.7195
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