| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Allium cepa | Bulb | 57.0 | 162.0 | * | |
| Linum usitatissimum | Seed | -- | -- | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. | |
| Syzygium aromaticum | Flower | 30.0 | 60.0 | * | |
| Inula helenium | Plant | -- | -- | * | |
| Solanum tuberosum | Tuber | 0.39 | 60.0 | * | |
| Cinnamomum sieboldii | Root Bark | -- | 70.0 | * | |
| Panax quinquefolius | Plant | -- | -- | * | |
| Erythroxylum coca | Leaf | 97.0 | 104.0 | -1.5 | * |
| Cinnamomum aromaticum | Bark | -- | 50.0 | -1.3 | * |
| Quercus phellos | Stem | 14.0 | 126.0 | -1.3 | * |
| Quercus stellata | Stem | 5.0 | 126.0 | -1.3 | * |
| Pinus echinata | Shoot | 3.0 | 84.0 | -1.2 | * |
| Solanum melongena | Fruit | 2.0 | 5.6 | -1.0 | * |
| Liquidambar styraciflua | Leaf | 8.0 | 246.0 | -1.0 | * |
| Quercus velutina | Stem | 16.0 | 186.0 | -1.0 | * |
| Spinacia oleracea | Plant | 0.06 | 0.77 | -1.0 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Beta vulgaris | Root | 16.0 | 70.0 | -1.0 | * |
| Malus domestica | Fruit | 0.165 | 8.6 | -1.0 | * |
| Capsicum annuum | Fruit | 2.0 | 12.0 | -0.9 | * |
| Rhus copallina | Leaf | 13.0 | 288.0 | -0.9 | * |