s/n | Plant Name | Zn | Cu | Fe | Pb | Cd |
1 | Ipomea sp. | 4.11 | 12.10 | 11.22 | 2.91 | 0.02 |
2 | Ficus sp. | 3.10 | 1.14 | 38.01 | 1.06 | ND |
3 | Panicum sp. | 3.52 | 3.01 | 28.01 | 1.48 | ND |
4 | Alchornia cordifolia | 2.44 | 4.12 | 1.89 | 3.05 | ND |
5 | Panicum maximum | 5.08 | 0.16 | 6.11 | 0.63 | ND |
6 | Commelina africana | 11.6 | 0.94 | 17.04 | 1.58 | ND |
7 | Commelina sp. | 8.11 | 1.22 | 16.20 | 0.71 | ND |
8 | Amaranthus spinosus | 3.12 | 0.10 | 0.881 | 2.98 | ND |
9 | Solanum lycopersicum | 2.88 | 0.98 | 0.691 | 0.99 | ND |
10 | Borreria sp. | 9.14 | 151.50 | 17.77 | 1.68 | 0.005 |
11 | Mimosa pudica | 3.99 | 98.16 | 11.70 | 0.58 | 0.010 |
12 | Chromolena odorata | 3.01 | 52.34 | 6.70 | 0.72 | 0.012 |
13 | Lantana camara | 6.12 | 10.03 | 16.92 | 0.62 | ND |
14 | Eclipta prostata | 6.31 | 0.28 | 1.612 | 0.71 | ND |
15 | Althernathera sessilis | 8.28 | 0.94 | 1.110 | 0.82 | ND |
16 | Laportea aestuarns | 5.31 | 0.88 | 1.12 | 0.61 | ND |
17 | Cyathula prostrata | 2.20 | 0.262 | 11.67 | 0.59 | ND |
18 | Tridax procumbens | 3.22 | 2.56 | 1.56 | 0.91 | ND |
19 | Corchorus oliterus | 8.96 | 0.22 | 1.141 | 3.19 | 0.012 |
20 | Sacciolepis africana | 19.18 | 1.213 | 1.01 | 4.09 | ND |
21 | Ludwigia sp. | 22.20 | 22.28 | 0.41 | 1.65 | ND |
22 | Croton lobatus | 23.00 | 71.60 | 1.89 | 2.71 | ND |
| WHO/FAO GUIDELINES | 60.0 | 30 | 48.0 | 2 | 1.0 |
NAFDAC | 50.0 | 20 | NA | 2 | NA | |
EC/CODEX | NA | 0.3 | NA | 0.3 | 0.2 |