| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Apium graveolens | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Coriandrum sativum | Plant | -- | 1.1 | -1.0 | * |
| Foeniculum vulgare | Seed | -- | -- | Rizk, A.F.M., The Phytochemistry of the Flora of Qatar, Scientific and Applied Research Centre, University of Qatar, Kingprint, Richmond, UK, 1986. | |
| Foeniculum vulgare | Fruit | -- | -- | * | |
| Kalanchoe pinnata | Leaf | -- | -- | * | |
| Ligustrum japonicum | Fruit | -- | -- | * | |
| Panax ginseng | Root | -- | 26.0 | * | |
| Panax quinquefolius | Plant | -- | 28.0 | 1.0 | * |
| Polygonum hydropiperoides | Plant | -- | -- | * | |
| Vigna mungo | Sprout Seedling | -- | -- | * |