| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Vitis vinifera | Fruit | -- | -- | * | |
| Cucumis sativus | Fruit | -- | -- | * | |
| Curcuma longa | Rhizome | -- | 5.0 | * | |
| Pteridium aquilinum | Plant | -- | -- | * | |
| Urtica dioica | Plant | -- | -- | * | |
| Angelica archangelica | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Sanguisorba minor | Plant | -- | -- | * | |
| Punica granatum | Fruit Juice | -- | -- | * | |
| Populus balsamifera | Essential Oil | -- | -- | * | |
| Solanum tuberosum | Tuber Epidermis | -- | -- | * | |
| Punica granatum | Leaf | -- | -- | * | |
| Elaeagnus angustifolia | Leaf | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Solanum tuberosum | Root Bark | -- | -- | * | |
| Solanum tuberosum | Flower | -- | -- | * | |
| Agrimonia eupatoria | Plant | -- | -- | * | |
| Levisticum officinale | Root | -- | -- | Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp. | |
| Glechoma hederacea | Plant | -- | -- | * | |
| Ribes nigrum | Fruit | -- | -- | * | |
| Armoracia rusticana | Plant | -- | -- | Newall, C. A., Anderson, L. A. and Phillipson, J. D. 1996. Herbal Medicine - A Guide for Health-care Professionals. The Pharmaceutical Press, London. 296pp. | |
| Pimpinella anisum | Seed | -- | 2060.0 | 1.2 | * |