| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Sassafras albidum | Leaf | -- | 11.0 | -0.4 | * |
| Stevia rebaudiana | Leaf | -- | 29.0 | -0.2 | Kinghorn, A. D. (Ed.) 2002. Medicinal and Aromatic Plants - Industrial Profiles. Stevia. The genus Stevia. Taylor & Francis. New York, NY. 211 pp. |
| Stevia rebaudiana | Flower | -- | 43.0 | 1.0 | Kinghorn, A. D. (Ed.) 2002. Medicinal and Aromatic Plants - Industrial Profiles. Stevia. The genus Stevia. Taylor & Francis. New York, NY. 211 pp. |
| Syzygium aromaticum | Fruit | -- | -- | * | |
| Tagetes lucida | Shoot | -- | -- | Bicchi, C., Fresia, M., Rubiolo, P., Monti, D., Franz, C., Goehler, I. 1997. Constituents of Tagetes lucida Cav. ssp. lucida essential oil. Flavor & Fragrance, 12(1): 47-52. | |
| Zingiber officinale | Rhizome | -- | -- | * | |
| Zingiber officinale | Rhizome Essent. Oil | -- | -- | * |