| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Zingiber officinale | Root | 1620.0 | 9328.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |
| Zingiber officinale | Rhizome | 1620.0 | 9328.0 | 1.0 | * |
| Zea mays | Seed | 6360.0 | 26457.0 | -0.6 | USDA's Ag Handbook 8 and sequelae) |
| Vitis vinifera | Fruit | 1380.0 | 7099.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |
| Vigna radiata | Seed | 42640.0 | 46883.0 | 0.2 | USDA's Ag Handbook 8 and sequelae) |
| Vigna unguiculata | Seed | -- | 43190.0 | 0.1 | * |
| Vigna unguiculata | Seed | -- | 43190.0 | 0.1 | * |
| Vigna angularis | Seed | 30990.0 | 35802.0 | -0.2 | * |
| Vigna radiata | Sprout Seedling | 1610.0 | 16912.0 | -1.3 | USDA's Ag Handbook 8 and sequelae) |
| Vicia faba | Seed | 8550.0 | 45000.0 | 0.1 | USDA's Ag Handbook 8 and sequelae) |
| Valerianella locusta | Plant | 2030.0 | 28195.0 | 0.6 | * |
| Valeriana officinalis | Root | -- | -- | * | |
| Vaccinium corymbosum | Fruit | 830.0 | 5393.0 | -0.6 | * |
| Urtica dioica | Leaf | -- | -- | Jim Duke's personal files. | |
| Triticum aestivum | Seed | 39000.0 | 63000.0 | 0.9 | * |
| Trigonella foenum-graecum | Seed | 39880.0 | 43870.0 | 0.1 | * |
| Trifolium pratense | Plant | -- | -- | * | |
| Tribulus terrestris | Fruit | -- | -- | * | |
| Tilia sp. | Fruit | -- | -- | * | |
| Theobroma cacao | Seed | -- | 10200.0 | -1.3 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |