| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Cicer arietinum | Seed | 33600.0 | 38150.0 | -0.2 | * |
| Phaseolus vulgaris | Seed | 32940.0 | 37019.0 | -0.2 | USDA's Ag Handbook 8 and sequelae) |
| Hordeum vulgare | Seed | 32000.0 | 38000.0 | -0.2 | Jim Duke's personal files.* |
| Carum carvi | Seed | 31690.0 | 35175.0 | -0.3 | Revised USDA data received 1993. |
| Bertholletia excelsa | Seed | 31510.0 | 32600.0 | -0.4 | * |
| Vigna angularis | Seed | 30990.0 | 35802.0 | -0.2 | * |
| Foeniculum vulgare | Fruit | 29560.0 | 32427.0 | 1.5 | * |
| Foeniculum vulgare | Seed | 29560.0 | 32427.0 | -0.4 | USDA's Ag Handbook 8 and sequelae) |
| Avena sativa | Seed | 29000.0 | 31000.0 | -0.5 | Jim Duke's personal files.* |
| Juglans regia | Seed | 28090.0 | 29155.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |
| Nigella sativa | Seed | 28085.0 | 35900.0 | -0.2 | * |
| Oenothera biennis | Seed | 26300.0 | 28068.0 | -0.6 | * |
| Sesamum indicum | Seed | 24670.0 | 51927.0 | 0.4 | * |
| Lupinus albus | Seed | 21650.0 | 96985.0 | 2.3 | * |
| Pinus edulis | Seed | 19690.0 | 20925.0 | -0.9 | USDA's Ag Handbook 8 and sequelae) |
| Mucuna pruriens | Seed | 19075.0 | 40440.0 | -0.1 | * |
| Macadamia spp | Seed | 17820.0 | 18330.0 | -1.0 | USDA's Ag Handbook 8 and sequelae) |
| Lens culinaris | Sprout Seedling | 12580.0 | 41935.0 | 0.3 | USDA's Ag Handbook 8 and sequelae) |
| Cnidoscolus chayamansa | Leaf | 11780.0 | 58900.0 | 1.1 | * |
| Artocarpus altilis | Seed | 10360.0 | 23690.0 | -0.8 | USDA's Ag Handbook 8 and sequelae) |