| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Calamintha nepeta | Shoot | -- | 8.0 | -0.5 | Kirimer, N., Baser, K.H.C., Ozek, T. and Kurkcuoglo, M. 1992. Composition of the Essential Oil of Calamintha nepeta subsp. glandulosa. J. Ess. Oil Res. 4:189-190 |
| Agathosma betulina | Leaf Essent. Oil | -- | -- | * | |
| Ocimum tenuiflorum | Inflorescence | -- | -- | * | |
| Hyssopus officinalis | Essential Oil | -- | -- | * | |
| Ravensara aromatica | Bark | -- | 110.0 | -0.7 | * |
| Syzygium aromaticum | Fruit | -- | -- | * | |
| Polianthes tuberosa | Flower | -- | -- | * | |
| Ravensara aromatica | Leaf | -- | 60.0 | -0.8 | * |
| Lantana camara | Leaf | -- | -- | * | |
| Mentha longifolia | Shoot | -- | -- | * | |
| Piper auritum | Leaf | -- | -- | Tramil | |
| Zea mays | Seed | -- | -- | * | |
| Ligustrum japonicum | Flower | -- | -- | * | |
| Panax ginseng | Root Essent. Oil | -- | -- | * | |
| Capsicum annuum | Fruit | -- | -- | * | |
| Psidium guajava | Essential Oil | -- | -- | * | |
| Aspalathus linearis | Leaf Essent. Oil | -- | 13600.0 | -1.0 | * |
| Micromeria fruticosa | Shoot | -- | -- | -0.5 | Fleisher, Z. and Fleisher, A. 1991. The Essential Oil of Micromeria fruticosa (L.) Druce subsp. barbata (Boiss et. Ky.), P.H. Davis. Aromatic Plants of the Holy Land and the Sinai. Part VII. J. Ess. Oil Res 3: 477-479. |
| Mentha arvensis var. piperascens | Essential Oil | -- | -- | Jim Duke's personal files. | |
| Micromeria fruticosa | Shoot | -- | -- | -0.5 | Fleisher, Z. and Fleisher, A. 1991. The Essential Oil of Micromeria fruticosa (L.) Druce subsp. barbata (Boiss et. Ky.), P.H. Davis. Aromatic Plants of the Holy Land and the Sinai. Part VII. J. Ess. Oil Res 3: 477-479. |