| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Rehmannia glutinosa | Root | 1000.0 | 9000.0 | 3.2 | * |
| Pisum sativum | Fruit | 1250.0 | 12364.0 | 3.1 | * |
| Aloe vera | Leaf | -- | 23540.0 | 2.9 | * |
| Ceratonia siliqua | Seed | -- | 23500.0 | 2.5 | Duke, J. A. Writeups or information summaries on approximately 2,000 economic plants, USDA, ARS, Beltsville, MD 20705. |
| Glycine max | Seed | 21150.0 | 23125.0 | 2.4 | USDA's Ag Handbook 8 and sequelae) |
| Phaseolus vulgaris | Fruit | 990.0 | 10175.0 | 2.3 | USDA's Ag Handbook 8 and sequelae) |
| Foeniculum vulgare | Fruit | 9000.0 | 9873.0 | 2.2 | * |
| Lupinus albus | Seed | 18690.0 | 20870.0 | 2.0 | * |
| Cucurbita foetidissima | Seed | 12585.0 | 20180.0 | 1.8 | * |
| Cucurbita pepo | Seed | 11480.0 | 19825.0 | 1.8 | * |
| Psophocarpus tetragonolobus | Tuber | 4640.0 | 10892.0 | 1.7 | * |
| Acacia farnesiana | Leaf | 3280.0 | 17600.0 | 1.6 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Cucurbita spp | Fruit | 480.0 | 7595.0 | 1.4 | * |
| Sechium edule | Fruit | 510.0 | 7285.0 | 1.3 | * |
| Ipomoea aquatica | Leaf | 1220.0 | 16200.0 | 1.2 | * |
| Juglans cinerea | Seed | 16400.0 | 16967.0 | 1.2 | * |
| Phaseolus vulgaris | Sprout Seedling | 2240.0 | 24086.0 | 1.2 | USDA's Ag Handbook 8 and sequelae) |
| Allium schoenoprasum | Leaf | 1260.0 | 15830.0 | 1.2 | USDA's Ag Handbook 8 and sequelae) |
| Mucuna pruriens | Seed | 7650.0 | 16220.0 | 1.1 | * |
| Spinacia oleracea | Plant | 1040.0 | 12351.0 | 1.1 | USDA's Ag Handbook 8 and sequelae) |