ArticleOpen veterinary journal2026
A comparative study between two fishing areas, one near and other far from industrial cities, for estimating mercury levels in octopus's liver and arms.
Article in Open veterinary journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Molluscs, especially octopus, is a nutritious seafood, containing high levels of proteins, omega-3 fatty acids, and essential minerals. However, marine pollution with heavy metals such as mercury (Hg), lead, and cadmium (Cd) is a growing concern, as these elements can accumulate in octopus tissues as a result of the marine food chain. Aim: This study aimed to determine the from beaches near the Zawiya refinery and compare them with samples taken from beaches far from industrial cities (Marsa Zawagha/b). Methods: Hg concentrations (mg/kg wet weight) were measured using the Buck Scientific USA 210 VGP model Atomic Absorption Spectrophotometer at the Central Laboratory of Delta Technical Services Company, Tripoli, Libya, in accordance with Association of Official Analytical Chemists (1990). Results: The results were average concentrations of 0.0336 and 0.1576 mg/kg in liver and arm samples taken from Zawiya, respectively, and 0.0050 and 0.0069 mg/kg were detected in liver and arm samples taken from Marsa Zawagha, respectively. Below the internationally recommended level (0.5 mg/kg) according to the World Health Organization and the European Union. Conclusion: The amount was within permissible bounds. Statistical analysis, that the Zawia Refinery area has a statistically significant (
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