Table 3. Elements concentrations in liver and muscle tissues and percentage (number/total samples) of samples that exceeded maximum permissible levels allowed by Brazilian and international guidelines.
| Species | Tissue | As | Cd | Cr | Cu | Hg | Mn | Pb | Se | Zn |
|---|---|---|---|---|---|---|---|---|---|---|
|
Cathorops spixii N = 15 |
Muscle | 7.46 ± 10.46 | <LOQ | 0.38 ± 0.14 | 0.30 ± 0.32 | 0.22 ± 0.02 | 0.48 ± 0.97 | 0.03 ± 0.02 | 0.53 ± 0.20 | 8.21 ± 12.60 |
| (0.17–39.31) 73% |
<LOQ 0% |
(0.25–0.66) 80% |
(0.14–1.27) 13% |
(0.02–0.07) 20% |
(0.11–3.16) 53% |
(0.02–0.07) 0% |
(0.29–0.85) 87% |
(3.58–46.64) 33% |
||
| Liver | 0.31 ± 1.24 | 0.26 ± 0.17 | 0.40 ± 0.11 | 15.13 ± 37.87 | 0.45 ± 0.52 | 3.27 ± 1.84 | 0.18 ± 0.11 | 4.13 ± 3.42 | 94.61 ± 203.05a | |
| (0.13–3.64) 40% |
(0.16–0.76) 93% |
(0.31–0.70) 93% |
(0.66–129.10) 93% |
(0.03–1.81) 73% |
(0.17–5.86) 93% |
(0.06–0.47) 13% |
(0.34–11.08) 100% |
(18.50–693.80) 100% |
||
|
Genidens genidens N = 18 |
Muscle | 0.23 ± 4.12 | <LOQ | 0.34 ± 0.11 | 0.29 ± -0.13 | 0.26 ± 0.15 | 0.43 ± 0.19 | 0.13 ± 0.07 | 0.38 ± 0.08 | 14,00 ± 5.74 |
| (0.10–15.51) 33% |
<LOQ 0% |
(0.25–0.58) 100% |
(0.11–0.61) 0% |
(0.11–0.61) 39% |
0.14–0.94 33% |
(0.02–0.19) 0% |
(0.32–0.61) 100% |
(6.61–95.41) 67% |
||
| Liver | 0.21 ± 0.35 | 0.41 ± 0.49 | 0.41 ± 0.17 | 8.94 ± 9.48 | 0.75 ± 0.66 | 1.49 ± 1.87 | 0.29 ± 0.40 | 3.91 ± 1.60 | 571.43 ± 320.2a | |
| (0.12–1.35) 11% |
(0.03–2.36) 94% |
(0.30–0.62) 89% |
(1.89–46.20) 100% |
(0.14–3.02) 89% |
(0.89–9.00) 100% |
(0.03–1.91) 72% |
(2.37–9.75) 100% |
(126.00–1310.90) 100% |
||
|
Eugerres brasilianus N = 18 |
Muscle | 0.20 ± 0.08 | <LOQ | 0.39 ± 0.09 | 0.32 ± 0.40 | 0.19 ± 0.07 | 0.35 ± 0.91 | 0.05 ± 0.08 | 0.69 ± 0.34 | 3.22 ± 4.61 |
| (0.11–0.33) 0% |
<LOQ 6% |
(0.26–0.51) 44% |
(0.13–1.71) 11% |
(0.07–0.30) 6% |
(0.08–4.22) 17% |
(0.02–0.23) 6% |
(0.33–1.90) 100% |
(1.75–22.97) 6% |
||
| Liver | 0.51 ± 0.23 | 0.19 ± 0.25 | 0.42 ± 0.11 | 2.36 ± 0.75 | 0.11 ± 0.02 | 7.20 ± 4.10 a | 0.05 ± 0.04 | 2.14 ± 0.84 | 27.27 ± 25.70a | |
| (0.09–0.91) 0% |
(0.04–0.96) 83% |
(0.25–0.67) 78% |
(0.32–3.66) 94% |
(0.06–0.15) 0% |
(0.28–17.25) 94% |
(0.02–0.14) 0% |
(0.58–3.86) 100% |
(3.41–119.56) 94% |
||
|
Diapterus rhombeus N = 9 |
Muscle | 0.52 ± 0.56 | <LOQ | 0.21 ± 0.04 | 0.16 ± 0.03 | 0.08 ± 0.05 | 0.30 ± 0.53 | 0.02 ± 0.01 | 0.78 ± 0.23 | 3.81 ± 1.34 |
| (0.15–1.73) 22% |
<LOQ 0% |
(0.17–0.27) 100% |
(0.14–0.22) 0% |
(0.05–0.23) 0% |
(0.10–1.67) 33% |
(0.02–0.03) 0% |
(0.45–1.11) 100% |
(2.50–7.10) 0% |
||
| Liver | 0.97 ± 0.62 | 0.05 ± 0.26 | 0.34 ± 0.11 | 1.67 ± 0.82 | 0.10 ± 0.03 | 9.01 ± 8.29 | 0.06 ± 0.02 | 1.26 ± 0.79 | 32.9 ± 28.68a | |
| (0.26–2.37) 44% |
(0.04–0.81) 44% |
(0.14–0.58) 100% |
(0.16–3.04) 89% |
(0.06–0.16) 0% |
(0.53–31.90) 100% |
(0.03–0.08) 0% |
(0.17–2.96) 89% |
(1.54–99.79) 89% |
||
|
Mugil sp. N = 11 |
Muscle | 0.25 ± 0.53 | <LOQ | 0.32 ± 0.06 | 0.30 ± 0.28 | 0.07 ± 0.06 | 0.20 ± 0.18 | <LOQ | 0.50 ± 0.21 | 3.21 ± 2.74 |
| (0.17–2.02) 9% |
<LOQ 0% |
(0.27–0.42) 36% |
(0.15–0.73) 9% |
(0.05–0.24) 0% |
(0.07–0.57) 18% |
<LOQ 0% |
(0.17–0.97) 82% |
(1.81–12.18) 9% |
||
| Liver | 1.73 ± 1.99 | 0.11 ± 0.35 | 0.46 ± 0.17 | 47.30 ± 150.60 | 0.16 ± 0.40 | 1.85 ± 2.14 | 0.04 ± 0.30 | 5.81 ± 9.33 | 71.71 ± 370.92a | |
| (0.24–7.34) 73% |
(0.03–1.17) 82% |
(0.30–0.75) 73% |
(2.83–539.90) 100% |
(0.03–1.23) 36% |
(0.93–8.78) 100% |
(0.02–0.89) 18% |
(1.16–33.38) 100% |
(23.80–1351.00) 100% |
Note:
a
LOQ for Cd = 0.0255 and Pb = 0.0126 mg kg−1.