| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Blighia sapida | Aril | 160.0 | 2300.0 | 1.1 | * |
| Cynara cardunculus | Flower | 860.0 | 6240.0 | 1.1 | * |
| Sinapis alba | Seed | 8100.0 | 9330.0 | 1.1 | * |
| Curcuma longa | Rhizome | 640.0 | 6307.0 | 1.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Papaver somniferum | Seed | 8290.0 | 9277.0 | 1.0 | * |
| Eriodictyon californicum | Leaf | 2332.0 | 10600.0 | 1.0 | * |
| Hordeum vulgare | Seed | 1890.0 | 9200.0 | 1.0 | Jim Duke's personal files.* |
| Chrysanthemum coronarium | Bud | 320.0 | 4300.0 | 1.0 | * |
| Nasturtium officinale | Herb | 600.0 | 12000.0 | 1.0 | * |
| Juglans nigra | Hull Husk | -- | 1070.0 | 1.0 | * |
| Allium sativum var. sativum | Bulb | 880.0 | 5220.0 | 1.0 | * |
| Luffa aegyptiaca | Fruit | 190.0 | 6400.0 | 1.0 | * |
| Phaseolus lunatus | Seed | 1130.0 | 9000.0 | 1.0 | * |
| Valerianella radicata | Plant | 4647.0 | 5552.0 | 0.9 | * |
| Amaranthus sp. | Leaf | 487.0 | 10082.0 | 0.9 | * |
| Carum carvi | Fruit | 5680.0 | 6302.0 | 0.9 | * |
| Abelmoschus esculentus | Fruit | 630.0 | 6300.0 | 0.9 | USDA's Ag Handbook 8 and sequelae) |
| Sesamum indicum | Seed | 5000.0 | 8898.0 | 0.9 | * |
| Prunus dulcis | Seed | 4420.0 | 8735.0 | 0.9 | * |
| Erythroxylum coca | Leaf | 3630.0 | 9740.0 | 0.9 | * |