Table 9.
Average daily intakes of potentially toxic elements in popcorn kernel (mg/kg/day)
| MSWC rate (t/ha) | Pb | Hg | As | Zn | Mo | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Adult | Child | Adult | Child | Adult | Child | Adult | Child | Adult | Child | |
| Control | 2.13E−07 | 1.99E−06 | 7.32E−07 | 6.83E−06 | 8.86E−08 | 8.27E−07 | 1.86E−05 | 1.74E−04 | 6.21E−07 | 5.79E−06 |
| 4 | 1.41E−07 | 1.31E−06 | 3.41E−06 | 3.18E−05 | 6.86E−08 | 6.40E−07 | 1.13E−05 | 1.06E−04 | 6.20E−07 | 5.79E−06 |
| 8 | 1.39E−07 | 9.76E−07 | 1.78E−06 | 9.19E−06 | 5.66E−08 | 4.40E−07 | 1.01E−05 | 6.74E−05 | 6.10E−07 | 4.29E−06 |
| SD( ±) | 0.21 | na | 1.00 | 0.03 | 5 × 10–3 | 5 × 10–3 | 11.00 | 8.00 | 0.05 | 3 × 10–3 |
| RDI++ | 4.67E−09 | 2.92E−07 | 4.95E−07 | 4.85E−06 | 7.34E−09 | 1.36E−07 | 1.34E−06 | 2.49E−05 | 8.03E−08 | 1.69E−06 |
| LSD p < 0.05): | 1.30E−08 | 8.11E−07 | 1.37E−06 | 1.35E−05 | 2.04E−08 | 3.76E−07 | 3.71E−06 | 1.15E−04 | 2.23E−07 | 4.68E−06 |
| p | ** | ns | * | * | ** | ns | ns | * | ** | ns |
| MSWC rate (t/ha) | Cu | Ni | Co | Fe | Cr | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Adult | Child | Adult | Child | Adult | Child | Adult | Child | Adult | Child | |
| Control | 2.31E−06 | 2.15E−05 | 5.91E−06 | 5.52E−05 | 1.50E−07 | 1.40E−06 | 9.11E−05 | 8.50E−04 | 2.81E−05 | 2.62E−04 |
| 4 | 1.51E−06 | 1.41E−05 | 5.48E−06 | 5.11E−05 | 1.37E−07 | 1.28E−06 | 5.87E−05 | 5.48E−04 | 2.65E−05 | 2.48E−04 |
| 8 | 1.54E−06 | 1.08E−05 | 5.32E−06 | 3.55E−05 | 1.37E−07 | 9.28E−07 | 6.59E−05 | 4.47E−04 | 2.25E−05 | 1.68E−04 |
| SD( ±) | 0.90 | 0.70 | 0.002 | 0.01 | na | na | 16.30 | 20.50 | 0.0035 | 0.002 |
| RDI++ | 1.31E−07 | 2.27E−06 | 1.70E−07 | 1.01E−05 | 2.45E−09 | 2.68E−07 | 4.47E−06 | 1.41E−04 | 1.91E−06 | 5.16E−05 |
| LSD (p < 0.05) | 3.63E−07 | 8.93E−06 | 7.81E−07 | 2.81E−05 | 6.80E−09 | 7.43E−07 | 1.24E−05 | 3.92E−04 | 5.29E−06 | 1.43E−04 |
| p | ** | ns | ns | ns | ** | ns | ** | ns | ns | ns |
MSWC Municipal Solid Waste Compost, LSD Least Significant Difference at p ≤ 0.05, SD Standard deviation
**Significant at p = 0.001, *significant at p = 0.05
++Recommended daily dietary allowance (mg/day /person) (Organization, 2018)