Table 5.
Mean, standard deviation, and range values of heavy metals and PAHs in the animal foodstuffs.
| Food | Heavy metals Means ± SD (range) μg/g | PAHs Means ± SD (range) ng/g | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| As | Cd | Cr | Hg | Ni | Pb | Zn | BaA | BaP | BbF | Chr | |
| Beef | 0.012 ± 0.008 (0.002–0.031) |
< LOD | < LOD | < LOD | < LOD | 0.019 ± 0.027 (0.002–0.098) |
48.94 ± 11.94 (32.11–70.15) |
< LOD | < LOD | < LOD | 0.34 ± 0.65 (0.10–2.26) |
| Pork | 0.015 ± 0.012 (0.002–0.022) |
< LOD | < LOD | < LOD | < LOD | 0.024 ± 0.034 (0.002–0.064) |
44.91 ± 13.43 (34.17–59.96) |
< LOD | < LOD | < LOD | < LOD |
| Cow milk | < LOD | < LOD | < LOD | < LOD | < LOD | 0.002 ± 0.001 (0.001–0.004) |
2.92 ± 0.96 (2.06–4.44) |
0.30 ± 0.46 (0.10–1.12) |
< LOD | < LOD | 12.56 ± 19.17 (0.10–43.96) |
| Sheep and goat milk | < LOD | < LOD | < LOD | < LOD | < LOD | 0.002 ± 0.002 (0.001–0.007) |
2.77 ± 1.18 (1.69–5.18) |
0.13 ± 0.09 (0.10–0.39) |
< LOD | < LOD | 9.25 ± 28.49 (0.10–95.12) |
| Fish | |||||||||||
| Pagellus erythrinus | 3.62 ± 0.98 (2.73–5.02) |
0.001 ± 0.0002 (0.0003–0.001) |
0.019 ± 0.007 (0.01–0.03) |
1.13 ± 0.22 (0.94–1.45) |
0.002 ± 0.001 (0.0003–0.003) |
0.007 ± 0.003 (0.003–0.01) |
3.40 ± 0.76 (2.84–4.66) |
< LOD | < LOD | < LOD | < LOD |
| Pagellus acarne | 4.72 ± 0.52 (4.35–5.09) |
< LOD | 0.02 ± 0.02 (0.005–0.04) |
0.59 ± 0.11 (0.52–0.67) |
0.01 ± 0.006 (0.009–0.018) |
0.57 ± 0.079 (0.52–0.63) |
2.46 ± 0.26 (2.28–2.64) |
< LOD | < LOD | < LOD | < LOD |
| Pagellus bogaraveo | 2.47 | 0.0005 | 0.01 | 0.06 | 0.016 | 0.02 | 3.72 | < LOD | < LOD | < LOD | < LOD |
| Mullus barbatus | 9.94 ± 2.65 (8.1–11.8) |
0.001 ± 0.00002 0.001 |
0.02 ± 0.01 (0.02–0.03) |
1.91 ± 0.28 (1.71–2.11) |
0.003 ± 0.001 (0.002–0.004) |
0.03 ± 0.001 0.03 |
4.14 ± 1.55 (3.05–5.24) |
< LOD | < LOD | < LOD | < LOD |
| Diplodus annularis | 4.52 | 0.001 | 0.04 | 3.51 | 0.001 | 0.01 | 6.31 | < LOD | < LOD | < LOD | < LOD |
| Diplodus sargus | 7.42 | 0.001 | 0.01 | 0.48 | 0.003 | 0.17 | 3.00 | < LOD | < LOD | < LOD | < LOD |
| Trigla lucerna | 4.41 | 0.0004 | 0.02 | 0.66 | 0.002 | 0.01 | 4.22 | < LOD | < LOD | < LOD | < LOD |
| Sphyraena sphyraena | 1.37 | 0.006 | 0.01 | 0.78 | 0.003 | 0.001 | 4.40 | < LOD | < LOD | < LOD | < LOD |
| Molluscs | |||||||||||
| Sepia officinalis | 22.68 ± 14.88 (8.73–44.60) |
0.003 ± 0.002 (0.001–0.006) |
0.01 ± 0.01 (0.002–0.02) |
0.21 ± 0.08 (0.07–0.78) |
0.05 ± 0.03 (0.003–0.09) |
0.09 ± 0.11 (0.001–0.29) |
13.94 ± 1.88 (4.40–16.22) |
< LOD | < LOD | < LOD | < LOD |
| Crustaceans | < LOD | < LOD | < LOD | < LOD | |||||||
| Penaeus kerathurus | 9.45 ± 2.67 (7.90–13.45) |
0.003 ± 0.00 (0.002–0.003) |
0.02 ± 0.01 (0.02–0.03) |
0.59 ± 0.02 (0.56–0.62) |
0.01 ± 0.00 (0.004–0.01) |
0.01 ± 0.01 (0.01–0–02) |
18.05 ± 4.00 (15.67–24.03) |
< LOD | < LOD | < LOD | < LOD |
| Total seafood products | 7.06 ± 6.17 (1.37–44.60) |
0.002 ± 0.002 (0.0003–0.006) |
0.019 ± 0.011 (0.002–0.044) |
0.99 ± 1.02 (0.057–3.51) |
0.010 ± 0.014 (0.0004–0.085) |
0.09 ± 0.18 (0.001–0.63) |
6.36 ± 5.27 (2.28–24.03) |
< LOD | < LOD | < LOD | < LOD |