Table 3 Heavy metals contents in leafy vegetables from investigated areas (mgKg-1 fresh matter, * p < 0.05)
Vegetables/Metals content ± Standard Deviation | Fe ± SD | Mn ± SD | Zn ± SD | Cu ± SD | Ni ± SD | Cd ± SD | Pb ± SD |
|---|---|---|---|---|---|---|---|
Carrot Leaf (R) | 31.59 ± 5.62 | 3.13 ± 0.64 | 3.77* ± 0.81 | 0.40 ± 0.08 | 0.17 ± 0.02 | 0.01 ± 0.00 | 0.20* ± 0.07 |
Carrot Leaf (M) | 51.45* ± 7.48 | 5.57* ± 0.40 | 5.61 ± 0.40 | 2.12* ± 0.18 | 0.38* ± 0.09 | 0.04 ± 0.00 | 0.12 ± 0.02 |
Carrot Leaf (Ref) | 14.25 ± 1.75 | 1.38 ± 0.09 | 1.36 ± 0.36 | 0.29 ± 0.02 | 0.11 ± 0.02 | 0.01 ± 0.00 | 0.03 ± 0.00 |
Parsley Leaf (R) | 104.03 ± 26.52 | 7.32 ± 1.56 | 9.39 ± 1.21 | 1.77 ± 0.11 | 0.38* ± 0.02 | 0.09 ± 0.01 | 1.97* ± 0.27 |
Parsley Leaf (M) | 106.75* ± 13.63 | 9.72* ± 1.55 | 10.44 ± 2.16 | 4.79* ± 0.75 | 1.87* ± 0.19 | 0.05 ± 0.01 | 0.50 ± 0.08 |
Parsley Leaf (Ref) | 73.17 ± 5.51 | 5.88 ± 0.65 | 9.13 ± 2.45 | 1.03 ± 0.27 | 0.30 ± 0.11 | 0.03 ± 0.01 | 0.28 ± 0.07 |
Cabbage (R) | 60.11* ± 6.34 | 10.47* ± 1.46 | 16.30* ± 3.74 | 1.36* ± 0.15 | 0.70* ± 0.11 | 0.12 ± 0.02 | 0.90* ± 0.30 |
Cabbage (M) | 31.53 ± 15.54 | 9.15* ± 4.24 | 8.51 ± 4.55 | 2.77* ± 0.90 | 0.33 ± 0.18 | 0.06 ± 0.03 | 0.25 ± 0.16 |
Cabbage (Ref) | 16.06 ± 2.95 | 3.85 ± 0.80 | 3.28 ± 0.63 | 0.45 ± 0.10 | 0.13 ± 0.03 | 0.01 ± 0.00 | 0.05 ± 0.01 |
Lettuce (R) | 35.88* ± 4.36 | 8.33* ± 1.32 | 14.46* ± 2.77 | 1.86 ± 0.27 | 0.28* ± 0.04 | 0.09 ± 0.01 | 0.62* ± 0.12 |
Lettuce (M) | 16.90 ± 2.55 | 4.12 ± 0.60 | 5.14 ± 0.80 | 2.22* ± 0.40 | 0.18 ± 0.03 | 0.09 ± 0.01 | 0.21 ± 0.11 |
Lettuce (Ref) | 13.60 ± 1.40 | 3.46 ± 0.55 | 5.32 ± 0.68 | 0.76 ± 0.15 | 0.10 ± 0.03 | 0.02 ± 0.00 | 0.08 ± 0.02 |
Maximum allowable limits (MAL) | - | - | 15 | 5 | - | 0.20 | 0.50 |