| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Acacia tortilis | Bark | -- | -- | * | |
| Acacia nilotica | Seed | -- | 66100.0 | -0.2 | * |
| Acacia nilotica | Bark | -- | 27100.0 | -1.0 | * |
| Acacia catechu | Plant | -- | -- | * | |
| Acacia senegal | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Acacia nilotica | Resin, Exudate, Sap | 170000.0 | 200000.0 | -0.7 | * |
| Acacia melanoxylon | Plant | -- | -- | * | |
| Acacia tortilis | Leaf | -- | -- | * | |
| Acacia nilotica | Wood | -- | 63500.0 | 0.4 | * |
| Acacia nilotica | Fruit | -- | 349500.0 | 2.5 | * |
| Acacia leucophloea | Plant | -- | -- | * | |
| Acalypha indica | Plant | -- | -- | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses | |
| Achillea millefolium | Plant | 28000.0 | 40000.0 | -0.6 | * |
| Acorus calamus | Rhizome | -- | 15000.0 | * | |
| Acorus calamus | Plant | -- | -- | * | |
| Actaea racemosa | Root | -- | -- | Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989. | |
| Actaea cimicifuga | Rhizome | -- | -- | * | |
| Actinidia chinensis | Fruit | -- | 9500.0 | -0.8 | * |
| Adiantum capillus-veneris | Plant | -- | -- | * | |
| Aegle marmelos | Petiole | -- | 200000.0 | Morton, J.F., Major Medicinal Plants. 1977. Atlas of Medicinal Plants of Middle America. Bahamas to Yucatan. 1981. |