| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Curcuma longa | Rhizome | 750.0 | 18000.0 | 1.0 | * |
| Zingiber officinale | Rhizome | 0.5 | 600.0 | -1.0 | * |
| Angelica archangelica | Root | -- | 5.0 | -1.0 | * |
| Aralia cordata | Root | -- | 8.0 | 1.0 | * |
| Zingiber officinale | Root Essent. Oil | -- | -- | * | |
| Zingiber officinale | Essential Oil | -- | -- | * | |
| Thymus serpyllum | Plant | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Rosmarinus officinalis | Resin, Exudate, Sap | -- | -- | * | |
| Curcuma zedoaria | Rhizome | -- | -- | * | |
| Zingiber officinale | Rhizome Essent. Oil | -- | -- | * | |
| Salvia canariensis | Leaf | -- | 14.0 | Casnigueral,S., Iglesias,J., Vila,R., Virgili,A. and Ibanez,C.1994. The Essential Oil from Leaves of Salvia canariensis L. Flav. & Frag. J. 9:201-204. S. Canigueral, Facultat de Farmacia, Universitat de Barcelona, Ave.Diagonal 643,E-08028, Barcelone Spain | |
| Curcuma longa | Rhizome Essent. Oil | -- | 81400.0 | * | |
| Curcuma longa | Root | -- | -- | * | |
| Curcuma xanthorrhiza | Rhizome | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. |