| Fishes |
Cd |
Co |
Cu |
Mn |
Fe |
Pb |
Zn |
Cr |
Ni |
Sources |
|
Catfish |
0.31 |
3.65 |
2.53 |
3.82 |
55.12 |
0.73 |
32.29 |
0.76 |
2.17 |
PS |
| 0.20 |
- |
- |
1.50 |
18.01 |
1.00 |
10.80 |
0.80 |
5.00 |
(1) |
| 1.0 |
- |
30.0 |
1.0 |
100.0 |
2.0 |
100 |
50 |
1.0 |
*PL(3) |
|
Tilapia |
0.23 |
3.18 |
2.13 |
4.23 |
24.98 |
0.52 |
21.74 |
0.53 |
1.87 |
PS |
| 1.04 |
2.77 |
4.49 |
6.78 |
53.90 |
1.89 |
38.6 |
- |
14.6 |
(2) |
| <0.01 |
- |
- |
2.40 |
0.80 |
0.01 |
1.41 |
0.01 |
0.01 |
(1) |
| 1.0 |
- |
30.0 |
1.0 |
100.0 |
2.0 |
100 |
50 |
1.0 |
*PL (3) |
|
Barbus |
0.18 |
2.21 |
1.26 |
2.11 |
18.27 |
0.33 |
12.60 |
0.25 |
1.23 |
PS |
| 1.0 |
- |
30.0 |
1.0 |
100.0 |
2.0 |
100 |
50 |
1.0 |
*PL (3) |
|
| Where: (1) = John et al. (2) = Kebede and Wondimu, 2004 (3) = Mokhtar et al.
PS = Present study, *PL = permissible limit according to WHO, 1989. |
| Table 8: Comparison of trace metal levels in fish muscle of present study with
related works and guide line standards for the safety of fish food consumers (all in
μg/g, dry weight). |
