| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Prunus dulcis | Seed | 59340.0 | 62070.0 | 0.9 | USDA's Ag Handbook 8 and sequelae) |
| Acacia farnesiana | Leaf | 10080.0 | 54070.0 | 0.9 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Raphanus sativus | Root | 1320.0 | 25580.0 | 0.9 | * |
| Juglans cinerea | Seed | 60840.0 | 62942.0 | 0.9 | * |
| Triticum aestivum | Seed | 39000.0 | 63000.0 | 0.9 | * |
| Solanum melongena | Fruit | 2010.0 | 24907.0 | 0.9 | * |
| Asparagus officinalis | Shoot | 5010.0 | 64645.0 | 1.0 | * |
| Helianthus tuberosus | Tuber | -- | 26493.0 | 1.0 | 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. |
| Arachis hypogaea | Seed | 54650.0 | 65281.0 | 1.0 | * |
| Zingiber officinale | Rhizome | 1620.0 | 9328.0 | 1.0 | * |
| Nasturtium officinale | Herb | 1900.0 | 38000.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Abelmoschus esculentus | Fruit | 2710.0 | 27100.0 | 1.1 | USDA's Ag Handbook 8 and sequelae) |
| Phaseolus vulgaris | Sprout Seedling | 5120.0 | 55054.0 | 1.1 | USDA's Ag Handbook 8 and sequelae) |
| Cnidoscolus chayamansa | Leaf | 11780.0 | 58900.0 | 1.1 | * |
| Beta vulgaris | Root | 3930.0 | 30994.0 | 1.3 | USDA's Ag Handbook 8 and sequelae) |
| Cucurbita foetidissima | Seed | 52800.0 | 73530.0 | 1.3 | * |
| Foeniculum vulgare | Fruit | 29560.0 | 32427.0 | 1.5 | * |
| Glycine max | Seed | 70680.0 | 77280.0 | 1.5 | USDA's Ag Handbook 8 and sequelae) |
| Spinacia oleracea | Plant | 3430.0 | 40735.0 | 1.6 | USDA's Ag Handbook 8 and sequelae) |
| Cucurbita pepo | Fruit | 1840.0 | 35000.0 | 1.7 | * |