| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Momordica charantia | Fruit | -- | 4.8 | 3.4 | =ICMR(Indian Council of Medical Research).1976.Medicinal Plants of India.Vol.1.Indian Council of Med. Res.Cambridge Printing Works, New Delhi.487 pp;ICMR.1987.Medicinal Plants of India.Vol.2.Indian Council of Med. Res.Cambr. Printing Works,New Delhi.600pp |
| Pistacia vera | Seed | -- | 3.8 | 2.6 | * |
| Symphoricarpos orbiculatus | Stem | -- | 0.264 | 2.0 | * |
| Ribes nigrum | Fruit | 0.1 | 2.8 | 1.4 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Petroselinum crispum | Plant | 0.6 | 7.8 | 1.4 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Cocos nucifera | Seed | -- | 2.7 | 1.4 | Furr, A.K., et al. 1979 |
| Lactuca sativa | Leaf | 0.02 | 8.0 | 1.3 | * |
| Zingiber officinale | Root | -- | 2.0 | 1.3 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Urtica dioica | Leaf | 1.4 | 7.8 | 1.3 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Pinus echinata | Shoot | -- | 0.42 | 1.1 | * |
| Daucus carota | Root | 0.03 | 1.8 | 1.1 | * |
| Malus domestica | Fruit | 0.1 | 2.1 | 0.7 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Phaseolus vulgaris | Fruit | 0.1 | 2.0 | 0.6 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Rubus chamaemorus | Fruit | 0.3 | 1.9 | 0.5 | * |
| Spinacia oleracea | Leaf | 0.3 | 5.7 | 0.5 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Ribes rubrum | Fruit | 0.05 | 1.8 | 0.4 | * |
| Quercus stellata | Stem | -- | 0.168 | 0.4 | * |
| Lycopersicon esculentum | Fruit | 0.02 | 1.7 | 0.3 | * |
| Juniperus virginiana | Shoot | -- | 0.264 | 0.2 | * |
| Bertholletia excelsa | Seed | -- | 1.7 | 0.2 | Furr, A.K., et al. 1979 |