| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Carum carvi | Seed | 13220.0 | 14675.0 | 0.5 | Revised USDA data received 1993. |
| Acacia farnesiana | Leaf | 2720.0 | 14590.0 | 1.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Trigonella foenum-graecum | Seed | 10630.0 | 14366.0 | 0.5 | * |
| Opuntia ficus-indica | Seed | -- | 14200.0 | 0.5 | Laferriere, J.E., 1988, Nutricomp Program, Nutricomp Database; reviewed in J. Ethnobiology 9(1):27-29. |
| Sinapis alba | Seed | 13120.0 | 14038.0 | 0.4 | * |
| Ipomoea aquatica | Leaf | 990.0 | 13150.0 | 0.7 | * |
| Prunus dulcis | Seed | 12360.0 | 12929.0 | 0.3 | USDA's Ag Handbook 8 and sequelae) |
| Asparagus officinalis | Shoot | 990.0 | 12774.0 | -1.0 | * |
| Juglans nigra | Seed | 12030.0 | 12580.0 | 0.2 | USDA's Ag Handbook 8 and sequelae) |
| Psophocarpus tetragonolobus | Seed | 11400.0 | 12437.0 | 0.2 | * |
| Foeniculum vulgare | Fruit | 11070.0 | 12144.0 | 3.3 | * |
| Foeniculum vulgare | Seed | 11070.0 | 12144.0 | 0.2 | USDA's Ag Handbook 8 and sequelae) |
| Vicia faba | Seed | 2300.0 | 12100.0 | 0.2 | USDA's Ag Handbook 8 and sequelae) |
| Papaver somniferum | Seed | 11230.0 | 12047.0 | 0.2 | * |
| Pistacia vera | Seed | 10950.0 | 11391.0 | 0.1 | * |
| Lablab purpureus | Seed | 10280.0 | 11345.0 | 0.1 | * |
| Oenothera biennis | Seed | 10500.0 | 11206.0 | 0.0 | * |
| Portulaca oleracea | Herb | 460.0 | 11000.0 | -1.0 | * |
| Valerianella locusta | Leaf | 790.0 | 10970.0 | 0.1 | * |
| Mentha spicata | Leaf | 1580.0 | 10935.0 | 0.1 | USDA's Ag Handbook 8 and sequelae) |