| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Rosmarinus officinalis | Essential Oil | 18000.0 | 266000.0 | 2.1 | * |
| Salvia officinalis | Essential Oil | 17900.0 | 59000.0 | -0.1 | * |
| Ocimum basilicum | Leaf Essent. Oil | 10000.0 | 14400.0 | -0.5 | * |
| Ocimum basilicum | Essential Oil | 5200.0 | 90000.0 | 0.2 | * |
| Valeriana officinalis | Leaf Essent. Oil | 4000.0 | 335900.0 | 2.4 | * |
| Salvia officinalis | Leaf Essent. Oil | 1000.0 | 63500.0 | -0.0 | * |
| Ocimum basilicum | Plant | 90.0 | 900.0 | * | |
| Mentha x rotundifolia | Leaf | 25.0 | 420.0 | * | |
| Houttuynia cordata | Essential Oil | -- | -- | * | |
| Houttuynia cordata | Shoot Essent. Oil | -- | -- | * | |
| Hyssopus officinalis | Essential Oil | -- | -- | * | |
| Centella asiatica | Essential Oil | -- | 2000.0 | -0.7 | Jim Duke's personal files. |
| Piper auritum | Leaf | -- | -- | Tramil | |
| Tanacetum parthenium | Shoot | -- | 1.2 | * | |
| Tanacetum parthenium | Fruit Essent. Oil | -- | 7000.0 | * | |
| Cinnamomum verum | Root Bark | -- | -- | * | |
| Tanacetum parthenium | Essential Oil | -- | 7000.0 | -0.7 | * |
| Crocus sativus | Silk Stigma Style | -- | -- | * | |
| Alpinia galanga | Leaf Essent. Oil | -- | 13800.0 | -0.5 | * |
| Alpinia galanga | Rhizome | -- | -- | * |