Research Article
The Hazard Content of Cadmium, Lead, and Other Trace Elements in Some Medicinal Herbs and Their Water Infusions
Table 4
Average contents of heavy metals (mg/kg) in the raw samples and water infusions of the medicinal herbs.
| Element | Zn | Fe | Cu | Co | Cr | Mn | Ni | Cd | Pb |
| Dried herbs (mg/kg) | 45.8 ± 5.1 | 440 ± 77 | 12 ± 1.0 | 0.91 ± 0.3 | 2.9 ± 0.6 | 162 ± 38 | 5.4 ± 0.8 | 0.5 ± 0.1 | 10.4 ± 1.8 | Infusions (mg/kg) | 16.5 ± 3.7 | 15.6 ± 4.3 | 5.8 ± 0.8 | 0.26 ± 0.1 | 0.4 ± 0.1 | 86 ± 9 | 1.7 ± 0.5 | 0.07 ± 0.1 | 2.1 ± 0.8 | Extraction efficiency (%) | 36 ± 4 | 3.5 ± 4 | 48 ± 5 | 29 ± 5 | 15 ± 7 | 53 ± 6 | 31 ± 7 | 14 ± 6 | 20 ± 5 |
|
|