| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Mentha x piperita | Plant | 1730.0 | 8105.0 | -0.6 | USDA's Ag Handbook 8 and sequelae) |
| Psoralea esculenta | Root | -- | 7976.0 | -0.1 | 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. |
| Cucurbita spp | Fruit | 500.0 | 7910.0 | 1.0 | * |
| Castanea mollisima | Seed | 4411.0 | 7852.0 | -0.7 | * |
| Capsicum frutescens | Fruit | 960.0 | 7834.0 | 0.9 | USDA's Ag Handbook 8 and sequelae) |
| Psophocarpus tetragonolobus | Leaf | 1780.0 | 7689.0 | -0.8 | * |
| Solanum melongena | Fruit | 610.0 | 7559.0 | 0.9 | * |
| Phaseolus vulgaris | Fruit | 730.0 | 7503.0 | 0.9 | USDA's Ag Handbook 8 and sequelae) |
| Foeniculum vulgare | Fruit | 6800.0 | 7460.0 | 0.8 | * |
| Foeniculum vulgare | Seed | 6800.0 | 7460.0 | -0.7 | USDA's Ag Handbook 8 and sequelae) |
| Citrullus lanatus | Fruit | -- | 6949.0 | 0.7 | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| Solanum tuberosum | Tuber | 950.0 | 6850.0 | -0.9 | * |
| Castanea dentata | Seed | 3808.0 | 6778.0 | -0.8 | * |
| Pachyrhizus erosus | Tuber | 720.0 | 6635.0 | -1.0 | * |
| Ocimum basilicum | Leaf | -- | 6620.0 | -0.9 | USDA's Ag Handbook 8 and sequelae) |
| Cucurbita pepo | Fruit | 370.0 | 6429.0 | 0.6 | * |
| Dioscorea pentaphylla | Root | 1120.0 | 6035.0 | -0.2 | * |
| Vitellaria paradoxa | Seed | -- | 5985.0 | -0.8 | * |
| Capsicum annuum | Fruit | 410.0 | 5592.0 | 0.3 | USDA's Ag Handbook 8 and sequelae) |
| Zea mays | Seed | 1310.0 | 5450.0 | -0.8 | USDA's Ag Handbook 8 and sequelae) |