| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Nigella sativa | Seed Oil | 1900.0 | 18000.0 | 1.4 | * |
| Asparagus officinalis | Shoot | 10.0 | 129.0 | 1.4 | * |
| Cocos nucifera | Seed | 7650.0 | 133015.0 | 1.4 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Zingiber officinale | Root | 180.0 | 1650.0 | 1.7 | USDA's Ag Handbook 8 and sequelae) |
| Allium schoenoprasum | Leaf | 30.0 | 3635.0 | 1.8 | USDA's Ag Handbook 8 and sequelae) |
| Rosmarinus officinalis | Leaf | 1210.0 | 3755.0 | 1.9 | USDA's Ag Handbook 8 and sequelae) |
| Elaeis guineensis | Fruit | 2300.0 | 48320.0 | 2.0 | * |
| Myristica fragrans | Seed | 60.0 | 320000.0 | 3.9 | * |
| Serenoa repens | Fruit | 4800.0 | 116000.0 | 5.2 | * |
| Virola surinamensis | Seed | 418200.0 | 496000.0 | 6.2 | * |