| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Elettaria cardamomum | Seed | -- | -- | * | |
| Elettaria cardamomum | Fruit Essent. Oil | 303300.0 | 430000.0 | 1.0 | * |
| Eucalyptus globulus | Shoot | -- | 27000.0 | 1.0 | * |
| Eucalyptus citriodora | Shoot | -- | 18000.0 | -1.0 | * |
| Eucalyptus globulus | Essential Oil | -- | -- | * | |
| Eucalyptus globulus | Leaf Essent. Oil | -- | 20900.0 | -0.5 | * |
| Laurus nobilis | Leaf Essent. Oil | 38000.0 | 71400.0 | 1.4 | * |
| Melaleuca alternifolia | Essential Oil | -- | -- | * | |
| Myristica fragrans | Essential Oil | -- | -- | * | |
| Ocimum basilicum | Leaf Essent. Oil | -- | 45100.0 | 0.4 | * |
| Perilla frutescens | Leaf Essent. Oil | -- | 1300.0 | -1.3 | Kang, R., Helms, R., Stout, M.J., Jaber, H., Chen, Z., and Nakatsu, T. 1992. Antimicrobial Activity of the Volatile Constituents of Perilla frutescens and Its Synergistic Effects with Polygodial. J. Agric. Food Chem., 40: 2328-2330. |
| Pinus sylvestris | Leaf Essent. Oil | -- | -- | * | |
| Piper nigrum | Fruit Essent. Oil | -- | 8600.0 | -1.0 | * |
| Psidium guajava | Leaf Essent. Oil | -- | -- | * | |
| Salvia officinalis | Et | -- | 9000.0 | * | |
| Vitex agnus-castus | Flower | -- | -- | Jim Duke's personal files. | |
| Vitex agnus-castus | Leaf | -- | -- | Jim Duke's personal files. | |
| Vitex agnus-castus | Fruit | -- | -- | Jim Duke's personal files. |