| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Euphrasia officinalis | Plant | 3.0 | 18.0 | 0.5 | * |
| Ocimum basilicum | Leaf | 3.0 | 4.0 | -0.2 | * |
| Elaeagnus umbellatus | Fruit | 2.9 | 16.0 | 2.4 | * |
| Trachyspermum ammi | Fruit | 2.8 | 3.0 | -0.4 | * |
| Boehmeria nivea | Leaf | 2.8 | 22.0 | -0.1 | * |
| Medicago sativa | Plant | 2.7 | 14.2 | 0.2 | * |
| Cucurbita pepo | Seed | 2.7 | 4.9 | 0.5 | * |
| Raphanus sativus | Leaf | 2.6 | 24.0 | -0.1 | * |
| Ipomoea batatas | Leaf | 2.6 | 19.0 | -0.1 | * |
| Corchorus olitorius | Leaf | 2.6 | 44.0 | 0.0 | * |
| Peperomia pereskiifolia | Leaf | 2.5 | 17.0 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Phaseolus vulgaris | Sprout Seedling | 2.5 | 27.0 | 1.7 | USDA's Ag Handbook 8 and sequelae) |
| Asparagus officinalis | Root | 2.4 | 24.0 | 4.4 | * |
| Anacardium occidentale | Fruit | 2.4 | 16.7 | 2.5 | * |
| Piper auritum | Leaf | 2.4 | 13.5 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Ephedra sinica | Plant | 2.3 | 11.0 | -0.0 | * |
| Pimenta dioica | Leaf | 2.3 | 3.5 | -0.2 | * |
| Vigna unguiculata | Seed | 2.3 | 2.6 | -0.4 | USDA's Ag Handbook 8 and sequelae) |
| Chrysanthemum coronarium | Bud | 2.2 | 30.0 | 1.0 | * |
| Rumex acetosa | Leaf | 2.2 | 22.0 | -0.1 | * |