Determination of Mercury, Methylmercury and Selenium Concentrations in Elasmobranch Meat: Fish Consumption Safety
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sampling
2.2. Sample Analysis
2.3. Quality Control and Assurance
2.4. Estimated Weekly Intake, Permissible Safety Level of Methylmercury and Selenium Health Benefit Value
2.5. Daily and Monthly Consumption Rate Limit
2.6. Statistical Analysis
3. Results and Discussion
3.1. Total Mercury, Methylmercury and Selenium Concentrations
3.2. Comparison with Law Limits
3.3. Estimated Weekly Intake (EWI), Permissible Safety Level of Methylmercury (MeHgPSL) and Selenium Health Benefit Value (HBVSe)
3.4. Daily and Monthly Consumption Rate Limit
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Conflicts of Interest
References
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Species | n | THg | MeHg | % MeHg | Se |
---|---|---|---|---|---|
Squaliformes | |||||
Blue shark | 20 * | 0.63 ± 0.01 | 0.57 ± 0.02 | 90.5 | 0.20 ± 0.04 |
Porbeagle | 20 * | 1.25 ± 0.05 | 1.03 ± 0.03 | 82.4 | 0.47 ± 0.04 |
Picked dogfish | 38 | 1.25 ± 0.04 | 0.97 ± 0.03 | 77.6 | 0.40 ± 0.01 |
Longnose spurdog | 26 | 0.75 ± 0.03 | 0.65 ± 0.03 | 86.7 | 0.42 ± 0.02 |
Smooth-hound | 32 | 1.03 ± 0.02 | 0.89 ± 0.02 | 86.4 | 0.49 ± 0.03 |
Starry smooth-hound | 30 | 0.73 ± 0.03 | 0.68 ± 0.03 | 93.1 | 0.39 ± 0.02 |
Lesser spotted dogfish | 49 | 0.61 ± 0.04 | 0.57 ± 0.03 | 93.4 | 0.41 ± 0.02 |
Average | 0.89 ± 0.28 | 0.77 ± 0.19 | 87.2 | 0.40 ± 0.09 | |
Rajiformes | |||||
Thornback ray | 41 | 0.65 ± 0.02 | 0.62 ± 0.02 | 95.4 | 0.60 ± 0.02 |
Brown ray | 45 | 0.64 ± 0.02 | 0.63 ± 0.01 | 98.4 | 0.50 ± 0.03 |
Mediterranean starry ray | 50 | 0.62 ± 0.02 | 0.54 ± 0.02 | 87.1 | 0.48 ± 0.04 |
Sandy ray | 48 | 0.58 ± 0.03 | 0.50 ± 0.02 | 86.2 | 0.43 ± 0.03 |
Longnosed skates | 52 | 0.49 ± 0.03 | 0.41 ± 0.03 | 85.4 | 0.38 ± 0.02 |
Average | 0.60 ± 0.07 | 0.54 ± 0.09 | 90.5 | 0.48 ± 0.08 | |
Torpediniformes | |||||
Electric ray | 27 | 1.22 ± 0.05 | 1.10 ± 0.04 | 90.1 | 0.50 ± 0.03 |
Common torpedo | 29 | 0.87 ± 0.04 | 0.74 ± 0.04 | 85.0 | 0.37 ± 0.02 |
Marbled electric ray | 32 | 1.14 ± 0.04 | 1.03 ± 0.03 | 90.4 | 0.48 ± 0.03 |
Average | 1.08 ± 0.18 | 0.96 ± 0.19 | 88.5 | 0.45 ± 0.07 | |
Average (all fish) | 0.83 ± 0.27 | 0.73 ± 0.22 | 88.5 | 0.43 ± 0.09 |
Species | THg | MeHg | THg | MeHg | THg | MeHg |
---|---|---|---|---|---|---|
497.0 g week−1 a | 276.1 g week−1 b | 140.0 g week−1 c | ||||
Squaliformes | ||||||
Blue shark | 4.49 | 4.06 | 2.45 | 2.22 | 1.27 | 1.14 |
Porbeagle | 8.91 | 7.34 | 4.87 | 4.01 | 2.51 | 2.07 |
Picked dogfish | 8.91 | 6.92 | 4.87 | 3.78 | 2.51 | 1.95 |
Longnose spurdog | 5.35 | 4.63 | 2.92 | 2.53 | 1.51 | 1.31 |
Smooth-hound | 7.34 | 6.35 | 4.01 | 3.47 | 2.07 | 1.79 |
Starry smooth-hound | 5.21 | 4.85 | 2.84 | 2.65 | 1.47 | 1.37 |
Lesser spotted dogfish | 4.35 | 4.06 | 2.38 | 2.22 | 1.23 | 1.14 |
Average | 6.37 | 5.46 | 3.48 | 2.98 | 1.79 | 1.54 |
Rajiformes | ||||||
Thornback ray | 4.63 | 4.42 | 2.53 | 2.42 | 1.31 | 1.25 |
Brown ray | 4.56 | 4.49 | 2.49 | 2.45 | 1.29 | 1.27 |
Mediterranean starry ray | 4.42 | 3.85 | 2.42 | 2.10 | 1.25 | 1.08 |
Sandy ray | 4.14 | 3.57 | 2.26 | 1.95 | 1.16 | 1.00 |
Longnosed skates | 3.49 | 2.92 | 1.91 | 1.60 | 0.98 | 0.82 |
Average | 3.45 | 3.85 | 2.32 | 2.10 | 1.20 | 1.08 |
Torpediniformes | ||||||
Electric ray | 8.70 | 7.84 | 4.75 | 4.29 | 2.45 | 2.21 |
Common torpedo | 6.20 | 5.28 | 3.39 | 2.88 | 1.75 | 1.49 |
Marbled electric ray | 8.13 | 7.34 | 4.44 | 4.01 | 2.29 | 2.07 |
Average | 7.68 | 6.82 | 4.20 | 3.73 | 2.16 | 1.92 |
Average (all fish) | 5.92 | 5.20 | 3.24 | 2.84 | 1.67 | 1.46 |
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Storelli, A.; Barone, G.; Garofalo, R.; Busco, A.; Storelli, M.M. Determination of Mercury, Methylmercury and Selenium Concentrations in Elasmobranch Meat: Fish Consumption Safety. Int. J. Environ. Res. Public Health 2022, 19, 788. https://doi.org/10.3390/ijerph19020788
Storelli A, Barone G, Garofalo R, Busco A, Storelli MM. Determination of Mercury, Methylmercury and Selenium Concentrations in Elasmobranch Meat: Fish Consumption Safety. International Journal of Environmental Research and Public Health. 2022; 19(2):788. https://doi.org/10.3390/ijerph19020788
Chicago/Turabian StyleStorelli, Arianna, Grazia Barone, Rita Garofalo, Antonio Busco, and Maria Maddalena Storelli. 2022. "Determination of Mercury, Methylmercury and Selenium Concentrations in Elasmobranch Meat: Fish Consumption Safety" International Journal of Environmental Research and Public Health 19, no. 2: 788. https://doi.org/10.3390/ijerph19020788