| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Rubus idaeus | Fruit | -- | -- | * | |
| Rubus fruticosus | Fruit | -- | -- | * | |
| Rubus idaeus | Plant | -- | -- | * | |
| Salvia officinalis | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| Salvia sp. | Seed | -- | 2136.0 | 2.4 | Phenolic Compounds in Food and Their Effects on Health, 67. |
| Sambucus nigra | Plant | -- | -- | * | |
| Serenoa repens | Fruit | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Sesamum indicum | Leaf | -- | -- | * | |
| Sesamum indicum | Fruit | -- | -- | * | |
| Solanum tuberosum | Tuber | 13.0 | 225.0 | * | |
| Solanum melongena | Root | -- | -- | * | |
| Solidago gigantea | Plant | -- | 1040.0 | 0.9 | * |
| Sophora japonica | Plant | -- | -- | * | |
| Spinacia oleracea | Leaf | -- | 16.0 | 0.4 | * |
| Spinacia oleracea | Inflorescence | -- | -- | * | |
| Stellaria media | Shoot | -- | -- | * | |
| Taraxacum officinale | Flower | -- | -- | * | |
| Taxus baccata | Leaf | 0.1 | 3.5 | -0.8 | * |
| Tecoma stans | Plant | -- | -- | * | |
| Theobroma cacao | Seed | -- | -- | * |