| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Solanum tuberosum | Tuber | 2200.0 | 17000.0 | ACTA AGRIC SCAND SUPPL 22: 1980 | |
| Sorbus aucubaria | Fruit | 2100.0 | 11900.0 | -0.2 | * |
| Spinacia oleracea | Leaf | 3200.0 | 45700.0 | 0.1 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Spondias dulcis | Fruit | 16900.0 | 17900.0 | 0.2 | * |
| Spondias tuberosa | Fruit | -- | 1100.0 | -0.9 | * |
| Spondias dulcis | Seed | -- | 6200.0 | -1.5 | * |
| Tephrosia candida | Plant | -- | 23600.0 | 0.2 | * |
| Tephrosia purpurea | Leaf | -- | 72500.0 | 1.4 | * |
| Theobroma cacao | Seed | -- | 22800.0 | -0.1 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Urtica dioica | Leaf | 10000.0 | 55555.0 | 0.6 | * |
| Vaccinium macrocarpon | Fruit | 650.0 | 5000.0 | -0.7 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Vitis vinifera | Fruit | 1100.0 | 7220.0 | -0.5 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Zingiber officinale | Root | 16000.0 | 24440.0 | -0.5 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Zingiber officinale | Rhizome | 16000.0 | 24440.0 | * |