| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Rosa canina | Fruit | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Scutellaria baicalensis | Root Essent. Oil | -- | -- | * | |
| Serenoa repens | Wood | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Solanum melongena | Root | -- | -- | * | |
| Styrax tonkinensis | Resin, Exudate, Sap | -- | 3000.0 | Leung, A.Y., Encyclopedia of Common Natural Ingredients Used in Food, Drugs, and Cosmetics, John Wiley & Sons, New York, 1980. | |
| Styrax benzoin | Resin, Exudate, Sap | -- | -- | * | |
| Syzygium aromaticum | Flower | -- | -- | * | |
| Syzygium aromaticum | Fruit | -- | -- | * | |
| Tabebuia impetiginosa | Stem Bark | -- | -- | * | |
| Tilia sp. | Flower | -- | -- | * | |
| Urtica dioica | Root | -- | -- | * | |
| Vaccinium myrtillus | Fruit Juice | -- | 0.015 | * | |
| Vaccinium corymbosum | Fruit | 0.01 | 0.05 | -1.0 | * |
| Vanilla planifolia | Shoot | -- | -- | * | |
| Vanilla planifolia | Fruit | 13000.0 | 30000.0 | 1.0 | * |
| Vanilla planifolia | Seed | -- | -- | * | |
| Vanilla planifolia | Root | -- | -- | * | |
| Vanilla tahitensis | Fruit | -- | -- | * | |
| Viola odorata | Flower | -- | -- | * | |
| Vitis vinifera | Fruit | -- | -- | * |