| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Alpinia galanga | Rhizome | -- | -- | * | |
| Alpinia galanga | Leaf Essent. Oil | -- | 13800.0 | -0.47 | * |
| Angelica archangelica | Root | -- | -- | * | |
| Angelica archangelica | Root Essent. Oil | -- | -- | * | |
| Boswellia serrata | Essential Oil | -- | -- | * | |
| Boswellia sacra | Resin Essent. Oil | -- | 1.1 | Abdel Wahab, S. M., Aboutabl, E. A., El-Zalabani, S. M., Fouad, H. A., De Pooter, H. L., El-Fallaha, B. 1987. The Essential Oil of Olibanum. Plant Med. 53 (4): 382-384. | |
| Cannabis sativa | Essential Oil | -- | -- | * | |
| Cannabis sativa | Plant | -- | -- | Turner, C. E., El Sohly, M. A., Boeren, E. G. 1980. Constituents of Cannabis sativa L. XVII. A Review of the Natural Constituents. J Natural Products, 432: 169-234. | |
| Centella asiatica | Essential Oil | -- | 2000.0 | -0.75 | Jim Duke's personal files. |
| Cinnamomum verum | Root Bark | -- | -- | * | |
| Coleus barbatus | Leaf Essent. Oil | -- | 4300.0 | -0.56 | Jim Duke's personal files. |
| Coleus barbatus | Root Essent. Oil | -- | 200000.0 | -0.71 | Jim Duke's personal files. |
| Coleus barbatus | Stem Essent. Oil | -- | 4300.0 | Jim Duke's personal files. | |
| Crocus sativus | Silk Stigma Style | -- | -- | * | |
| Eucalyptus globulus | Fruit Essent. Oil | -- | -- | * | |
| Ferula assa-foetida | Seed Essent. Oil | -- | 93300.0 | 1.0 | * |
| Helianthus annuus | Flower | -- | -- | * | |
| Houttuynia cordata | Shoot Essent. Oil | -- | -- | * | |
| Houttuynia cordata | Essential Oil | -- | -- | * | |
| Hyssopus officinalis | Essential Oil | -- | -- | * | |
| Juniperus communis | Fruit Essent. Oil | -- | -- | * | |
| Juniperus communis | Essential Oil | -- | 4000.0 | -0.72 | * |
| Laurus nobilis | Leaf Essent. Oil | -- | -- | * | |
| Mentha x rotundifolia | Leaf | 25.0 | 420.0 | * | |
| Montanoa tomentosa | Plant | -- | -- | * | |
| Myristica fragrans | Essential Oil | -- | -- | * | |
| Myristica fragrans | Seed Essent. Oil | -- | 9000.0 | -1.0 | * |
| Ocimum basilicum | Plant | 90.0 | 900.0 | * | |
| Ocimum basilicum | Essential Oil | 5200.0 | 90000.0 | 0.2 | * |
| Ocimum basilicum | Shoot Essent. Oil | -- | 4700.0 | -1.0 | * |
| Ocimum basilicum | Leaf Essent. Oil | 10000.0 | 14400.0 | -0.47 | * |
| Pinus sylvestris | Essential Oil | -- | -- | * | |
| Pinus sylvestris | Leaf Essent. Oil | -- | 9600.0 | -0.51 | * |
| Piper auritum | Leaf | -- | -- | Tramil | |
| Plectranthus barbatus | Root Essent. Oil | -- | 200000.0 | -0.71 | * |
| Rosmarinus officinalis | Shoot Essent. Oil | -- | 16400.0 | 1.0 | * |
| Rosmarinus officinalis | Essential Oil | 18000.0 | 266000.0 | 2.09 | * |
| Rosmarinus officinalis | Leaf Essent. Oil | -- | 25000.0 | -0.37 | * |
| Rosmarinus officinalis | Resin, Exudate, Sap | -- | -- | * | |
| Salvia officinalis | Leaf Essent. Oil | 1000.0 | 63500.0 | -0.03 | * |
| Salvia officinalis | Et | -- | 26000.0 | * | |
| Salvia officinalis | Essential Oil | 17900.0 | 59000.0 | -0.13 | * |
| Tanacetum parthenium | Fruit Essent. Oil | -- | 7000.0 | * | |
| Tanacetum parthenium | Shoot | -- | 1.2 | * | |
| Tanacetum parthenium | Essential Oil | -- | 7000.0 | -0.69 | * |
| Thymus vulgaris | Essential Oil | -- | -- | * | |
| Valeriana officinalis | Essential Oil | -- | -- | * | |
| Valeriana officinalis | Leaf Essent. Oil | 4000.0 | 335900.0 | 2.42 | * |
| Valeriana officinalis | Root Essent. Oil | -- | 315000.0 | 1.41 | * |
| Valeriana officinalis | Rhizome | -- | -- | * | |
| Valeriana officinalis | Rhizome Essent. Oil | -- | -- | * | |
| Zingiber officinale | Rhizome Essent. Oil | -- | 2100.0 | * |