| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Cuminum cyminum | Seed | -- | 3.6 | -0.2 | * |
| Cuminum cyminum | Fruit | -- | 3.6 | 0.3 | * |
| Curcuma longa | Rhizome | -- | 3.8 | -1.0 | * |
| Daucus carota | Root | -- | 2.0 | -0.0 | * |
| Diospyros virginiana | Stem | 0.1 | 8.0 | -0.1 | * |
| Diospyros virginiana | Leaf | 0.3 | 16.0 | -0.1 | * |
| Fagopyrum esculentum | Seed | -- | 1.0 | -0.7 | Laferriere, J.E., 1988, Nutricomp Program, Nutricomp Database; reviewed in J. Ethnobiology 9(1):27-29. |
| Fallopia japonica | Plant | -- | -- | Chem. & Pharm. Bull. 38: 2205. | |
| Foeniculum vulgare | Fruit | -- | 1.0 | -0.5 | * |
| Foeniculum vulgare | Seed | -- | 1.0 | -0.7 | * |
| Fragaria spp | Fruit | 0.03 | 0.36 | -0.7 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Glechoma hederacea | Plant | -- | -- | Chem. & Pharm. Bull. 38: 2205. | |
| Glycine max | Seed | 1.0 | 30.0 | 4.8 | * |
| Inula helenium | Plant | -- | -- | * | |
| Juglans cinerea | Seed | -- | 4.3 | -0.1 | * |
| Juglans nigra | Seed | -- | 4.8 | 0.0 | Furr, A.K., et al. 1979 |
| Juniperus virginiana | Shoot | -- | 17.6 | -0.2 | * |
| Lactuca sativa | Leaf | 0.18 | 28.0 | 0.2 | * |
| Lepidium sativum | Leaf | -- | 0.04 | -0.4 | * |
| Linum usitatissimum | Seed | -- | -- | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |