Table 2.
Essential metals residual concentrations mean (µg/g) in the examined poultry chest, thigh, and liver samples from six brands (n = 20 each)
| Brands | ||||||||
|---|---|---|---|---|---|---|---|---|
| Heavy metal | Organ | g/gµ | 1 | 2 | 3 | 4 | 5 | 6 |
| Cr |
Chest Thigh Liver |
Mean ± S.E | 0.609 ± 0.024 | 2.215 ± 0.002 | 0.283 ± 0.006 | 0.266 ± 0.005 | 0.267 ± 0.005 | 0.296 ± 0.006 |
| 0.460 ± 0.016 a | 0.178 ± 0.002a | 0.181 ± 0.001a | 0.236 ± 0.001a | 0.170 ± 0.001a | 0.234 ± 0.001a | |||
| 0.472 ± 0.013ab | 0.161 ± 0.001ab | 0.187 ± 0.001ab | 1.422 ± 0.088 ab | 0.192 ± 0.002ab | 0.201 ± 0.001ab | |||
| Fe |
Chest Thigh Liver |
Mean ± S.E | 22.835 ± 0.499 | 8.715 ± 0.238 | 21.278 ± 0.869 | 7.631 ± 0.308 | 8.265 ± 0.385 | 31.604 ± 0.883 |
| 17.966 ± 0.191a | 4.583 ± 0.036a | 15.371 ± 0.636a | 18.360 ± 0.784a | 6.105 ± 0.078a | 10.765 ± 0.189a | |||
| 38.219 ± 0.201ab | 38.585 ± 0.668ab | 42.771 ± 0.732ab | 48.142 ± 0.804ab | 24.151 ± 0.200ab | 30.618 ± 0.367ab | |||
| Cu |
Chest Thigh Liver |
Mean ± S.E | 0.953 ± 0.011 | 0.752 ± 0.012 | 0.989 ± 0.028 | 0.744 ± 0.020 | 0.720 ± 0.016 | 0.736 ± 0.020 |
| 0.806 ± 0.003 a | 0.729 ± 0.004a | 0.606 ± 0.002a | 1.417 ± 0.048a | 0.832 ± 0.007a | 0.630 ± 0.003a | |||
| 4.108 ± 0.010ab | 3.221 ± 0.024ab | 3.475 ± 0.017ab | 3.749 ± 0.025ab | 3.084 ± 0.023ab | 3.071 ± 0.032ab | |||
| Zn |
Chest Thigh Liver |
Mean ± S.E | 11.264 ± 0.193 | 8.832 ± 0.059 | 7.963 ± 0.094 | 13.842 ± 0.478 | 15.295 ± 0.590 | 10.205 ± 0.125 |
| 17.272 ± 0.161a | 15.635 ± 0.135a | 15.171 ± 0.072a | 20.131 ± 0.117a | 22.792 ± 0.100a | 19.358 ± 0.155a | |||
| 31.980 ± 0.141ab | 22.952 ± 0.084ab | 23.643 ± 0.129ab | 25.364 ± 0.087ab | 24.891 ± 0.119ab | 25.992 ± 0.227ab | |||
| Se |
Chest Thigh Liver |
Mean ± S.E | 0.335 ± 0.004 | 0.239 ± 0.001 | 0.280 ± 0.002 | 0.284 ± 0.002 | 0.277 ± 0.001 | 0.269 ± 0.003 |
| 0.383 ± 0.003a | 0.192 ± 0.002a | 0.234 ± 0.001a | 0.377 ± 0.007a | 0.237 ± 0.002a | 0.204 ± 0.002a | |||
| 0.816 ± 0.003ab | 0.627 ± 0.003ab | 0.601 ± 0.002ab | 0.704 ± 0.003ab | 0.659 ± 0.001ab | 0.603 ± 0.006ab |
The data represent the mean of essential trace metal concentrations ± S.E in poultry chest, thigh muscles, and liver with significantly different values, where (a) indicates a significant difference with chest muscles and (b) indicates a significant difference with thigh muscles at p < 0.05