| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Annona squamosa | Leaf | -- | -- | * | |
| Annona cherimola | Seed | -- | -- | * | |
| Guatteria scadens | Bark Essent. Oil | 19000.0 | 40000.0 | Grenand, P., Moretti, C., and Jacquemin, H. 1987. Pharmacopees Traditionnelles en Guyane. l'ORSTROM, Paris. 569 pp. | |
| Xylopia aethiopica | Leaf | -- | 2.7 | * |