| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Juglans regia | Seed | 2800.0 | 5100.0 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Cenchrus biflorus | Seed | 2700.0 | 2990.0 | -0.6 | * |
| Canavalia ensiformis | Seed | 2700.0 | 3898.0 | -0.4 | * |
| Panax quinquefolius | Plant | 2700.0 | 5200.0 | 0.8 | * |
| Origanum majorana | Plant | 2670.0 | 3725.0 | 0.1 | USDA's Ag Handbook 8 and sequelae) |
| Tephrosia purpurea | Leaf | 2600.0 | 5200.0 | 0.0 | * |
| Robinia pseudoacacia | Leaf | 2600.0 | 3200.0 | -0.3 | * |
| Verbascum thapsus | Leaf | 2508.0 | 5700.0 | 0.1 | * |
| Arachis hypogaea | Seed | 2450.0 | 4248.0 | -0.3 | * |
| Hydrangea arborescens | Root | 2450.0 | 7000.0 | 0.6 | * |
| Lens culinaris | Seed | 2420.0 | 5275.0 | -0.0 | * |
| Morus alba | Leaf | 2400.0 | 4500.0 | -0.1 | * |
| Glycine max | Plant | 2400.0 | 5410.0 | 0.9 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Eriodictyon californicum | Leaf | 2332.0 | 10600.0 | 1.0 | * |
| Vigna aconitifolia | Seed | 2300.0 | 5418.0 | 0.0 | * |
| Hordeum vulgare | Plant | 2300.0 | 6900.0 | 1.6 | Jim Duke's personal files.* |
| Fallopia japonica | Plant | 2300.0 | 2800.0 | -0.4 | Chem. & Pharm. Bull. 38: 2205. |
| Azadirachta indica | Fruit | 2265.0 | 2400.0 | -0.2 | * |
| Glycine max | Fruit | 2250.0 | 7305.0 | 1.2 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Vigna subterranea | Seed | 2240.0 | 6042.0 | 0.2 | * |