| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Croton tiglium | Seed | 21600.0 | 36000.0 | 1.0 | * |
| Urtica dioica | Seed | 6975.0 | 9045.0 | -1.0 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Persea americana | Fruit | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Vetiveria zizanioides | Root | -- | -- | * | |
| Aloe vera | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Taraxacum officinale | Latex Exudate | -- | -- | * | |
| Zea mays | Plant | -- | -- | * | |
| Alliaria petiolata | Plant | -- | -- | * | |
| Stellaria media | Plant | -- | -- | * | |
| Serenoa repens | Seed Oil | -- | -- | * |