| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Phyllanthus emblica | Leaf | 18000.0 | 22000.0 | -1.1 | * |
| Rubus idaeus | Leaf | 16900.0 | 120000.0 | 0.1 | * |
| Thymus vulgaris | Leaf | 16800.0 | 100000.0 | -0.1 | * |
| Terminalia bellirica | Bark | 14000.0 | 70000.0 | -0.6 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Ceratonia siliqua | Bark | 12000.0 | 500000.0 | 3.1 | * |
| Rhizophora mangle | Bark | 10000.0 | 520000.0 | 3.3 | * |
| Piper betel | Leaf | 10000.0 | 20500.0 | -1.1 | * |
| Turnera diffusa | Leaf | 8400.0 | 40000.0 | -0.9 | * |
| Arctostaphylos uva-ursi | Leaf | 6960.0 | 70000.0 | -0.5 | * |
| Prosopis juliflora | Bark | 6000.0 | 84000.0 | -0.5 | * |
| Sambucus nigra | Leaf | 4400.0 | 30000.0 | -1.0 | * |
| Rosa canina | Fruit | 3740.0 | 20000.0 | -0.7 | * |
| Terminalia chebula | Fruit | 1090.0 | 355000.0 | 2.5 | * |
| Prunus armeniaca | Fruit | 600.0 | 1000.0 | -0.9 | * |
| Phoenix dactylifera | Fruit | 200.0 | 18000.0 | -0.7 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Solanum sessiliflorum | Fruit | 142.0 | 1420.0 | -0.9 | Morton, J.F., Major Medicinal Plants. 1977. Atlas of Medicinal Plants of Middle America. Bahamas to Yucatan. 1981. |
| Eucalyptus citriodora | Leaf | -- | 11600.0 | -1.2 | * |
| Panax quinquefolius | Plant | -- | -- | * | |
| Piscidia piscipula | Plant | -- | -- | * | |
| Eriobotrya japonica | Leaf | -- | -- | Chemical Constituents of Oriental Herbs (3 diff. books) |