| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Picrasma quassioides | Wood | -- | -- | * | |
| Anethum graveolens | Plant | -- | -- | * | |
| Ammi visnaga | Plant | -- | -- | * | |
| Petroselinum crispum | Fruit | -- | -- | * | |
| Petroselinum crispum | Seed Oil | -- | -- | * | |
| Carum carvi | Plant | -- | 33020.0 | * | |
| Coriandrum sativum | Seed Oil | -- | -- | * | |
| Angelica archangelica | Fruit | -- | -- | * | |
| Myrrhis odorata | Plant | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Cuminum cyminum | Seed Oil | -- | -- | * | |
| Momordica charantia | Seed Oil | -- | -- | Jim Duke's personal files. | |
| Nepeta cataria | Seed Oil | -- | -- | * | |
| Panax quinquefolius | Plant | -- | -- | * | |
| Apium graveolens | Seed Oil | -- | -- | * | |
| Angelica archangelica | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Carum carvi | Seed Oil | -- | -- | * |