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Mineral contents in the roots of W. somnifera as mean ± SEM of multiple determinations.
| Plants\ contents | W. somnifera |
|---|---|
| Copper (ppm) | 63.743 ± 4.33 |
| Iron (ppm) | 768.051 ± 11.53 |
| Zinc (ppm) | 39.284 ± 3.36 |
| Magnesium (ppm) | 59.207 ± .88 |
| Manganese (ppm) | 80.384 ± 1.85 |
| Cobalt (ppm) | 313.461 ± 4.10 |
| Nickle (ppm) | 70.698 ± 3.04 |
| Cadmium (ppm) | 4.507 ± .35 |
| Lead (ppm) | 8.565 ± 1.03 |
