| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Daucus carota | Seed | -- | 7000.0 | 1.4 | * |
| Artemisia capillaris | Essential Oil | -- | -- | * | |
| Pogostemon cablin | Plant | -- | -- | * | |
| Cinnamomum aromaticum | Plant | -- | -- | * | |
| Laurus nobilis | Essential Oil | -- | -- | * | |
| Laurus nobilis | Leaf Essent. Oil | -- | 10200.0 | -1.0 | * |
| Vanilla planifolia | Fruit | -- | -- | Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980. | |
| Melia azedarach | Wood | -- | -- | * | |
| Nicotiana tabacum | Leaf | -- | -- | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. | |
| 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 |