| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Musa x paradisiaca | Fruit | 640.0 | 1843.0 | 0.1 | USDA's Ag Handbook 8 and sequelae) |
| Nasturtium officinale | Herb | 400.0 | 8000.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Nelumbo nucifera | Rhizome | 380.0 | 1820.0 | 1.0 | * |
| Nelumbo nucifera | Seed | 1150.0 | 3485.0 | -0.7 | * |
| Ocimum basilicum | Leaf | -- | 2870.0 | -1.3 | USDA's Ag Handbook 8 and sequelae) |
| Oenothera biennis | Seed | 3700.0 | 3949.0 | -0.6 | * |
| Pachyrhizus erosus | Tuber | 370.0 | 3410.0 | 0.1 | * |
| Panax ginseng | Root | -- | 20.0 | -1.7 | * |
| Panax quinquefolius | Plant | 320.0 | 1100.0 | -1.3 | * |
| Panax ginseng | Leaf | -- | -- | * | |
| Papaver somniferum | Seed | 5280.0 | 5664.0 | -0.1 | * |
| Papaver bracteatum | Seed | 4350.0 | 4650.0 | -0.4 | * |
| Perideridia gairdneri | Root | -- | 1080.0 | -0.7 | Izadoost, M. & Robinson, T., Synergism & antagonism in the pharmacology of alkaloidal plants, pp 137-58 in Craker, L. & Simon, J., eds., Herbs, Spices & Medicinal Plants: Recent Advances in Botany, Horticulture & Pharmacology, v. 2, 1987, 255pp. |
| Persea americana | Fruit | 230.0 | 1127.0 | -0.4 | * |
| Phaseolus vulgaris | Fruit | 340.0 | 3494.0 | 1.2 | USDA's Ag Handbook 8 and sequelae) |
| Phaseolus vulgaris | Sprout Seedling | 1180.0 | 12688.0 | 1.4 | USDA's Ag Handbook 8 and sequelae) |
| Phaseolus lunatus | Seed | 2320.0 | 7796.0 | 0.4 | USDA's Ag Handbook 8 and sequelae) |
| Phaseolus vulgaris | Seed | 6010.0 | 6754.0 | 0.2 | USDA's Ag Handbook 8 and sequelae) |
| Phoenix dactylifera | Fruit | 10.0 | 390.0 | -0.9 | * |
| Phyllanthus emblica | Fruit | 133.0 | 658.0 | -0.7 | * |