| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Asimina triloba | Plant | -- | -- | * | |
| Annona muricata | Plant | -- | -- | * | |
| Annona montana | Plant | -- | -- | Grenand, P., Moretti, C., and Jacquemin, H. 1987. Pharmacopees Traditionnelles en Guyane. l'ORSTROM, Paris. 569 pp. | |
| Papaver somniferum | Plant | -- | -- | * | |
| Coptis spp | Rhizome | -- | -- | * |