| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Helianthus annuus | Seed | 4940.0 | 20500.0 | 4.2 | * |
| Cucurbita foetidissima | Seed | 2610.0 | 19000.0 | 3.8 | * |
| Nigella sativa | Seed | 13100.0 | 16750.0 | 3.2 | * |
| Bertholletia excelsa | Seed | 10140.0 | 10346.0 | 1.6 | * |
| Allium sativum var. sativum | Bulb | 0.1 | 9900.0 | 1.0 | * |
| Sesamum indicum | Seed | 3120.0 | 9413.0 | 1.3 | * |
| Cucurbita pepo | Seed | 5195.0 | 7885.0 | 0.9 | * |
| Juglans cinerea | Seed | 6111.0 | 6321.0 | 0.5 | * |
| Spinacia oleracea | Plant | 530.0 | 6294.0 | 2.2 | USDA's Ag Handbook 8 and sequelae) |
| Pinus pinea | Seed | 4300.0 | 6050.0 | 0.4 | * |
| Ipomoea aquatica | Leaf | 440.0 | 5845.0 | 2.3 | * |
| Moringa oleifera | Shoot | 1230.0 | 5765.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Oenothera biennis | Seed | 5400.0 | 5763.0 | 0.4 | * |
| Citrullus lanatus | Seed | -- | 5742.0 | 0.4 | Leung, A. Y. and Foster, S. 1995. Encyclopedia of Common Natural Ingredients 2nd Ed. John Wiley & Sons, New York. 649 pp. |
| Colocasia esculenta | Leaf | 790.0 | 5510.0 | 2.0 | * |
| Glycine max | Seed | 4920.0 | 5380.0 | 0.3 | USDA's Ag Handbook 8 and sequelae) |
| Corchorus olitorius | Leaf | 460.0 | 5290.0 | 1.8 | * |
| Sinapis alba | Seed | 4800.0 | 5136.0 | 0.2 | * |
| Papaver bracteatum | Seed | 4500.0 | 5050.0 | 0.2 | * |
| Papaver somniferum | Seed | 4700.0 | 5042.0 | 0.2 | * |