| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Aloe spp. | Leaf | -- | -- | * | |
| Aloe vera | Leaf | -- | -- | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. | |
| Alpinia galanga | Rhizome | -- | 1.0 | -1.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Althaea officinalis | Root | 0.1 | 0.5 | -0.8 | * |
| Amaranthus sp. | Leaf | 1.0 | 26.0 | -0.1 | * |
| Amaranthus spinosus | Leaf | 1.6 | 20.0 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Amorphophallus campanulatus | Root | 0.2 | 3.2 | -0.2 | * |
| Amorphophallus konjac | Bark | -- | -- | * | |
| Anacardium occidentale | Leaf | 0.1 | 0.3 | -0.2 | * |
| Anacardium occidentale | Fruit | 2.4 | 16.7 | 2.5 | * |
| Anacardium occidentale | Seed | 2.0 | 3.3 | -0.1 | * |
| Ananas comosus | Fruit | -- | 3.0 | -0.4 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Anethum graveolens | Fruit | -- | 3.0 | -0.4 | * |
| Anethum graveolens | Plant | -- | 3.0 | -0.6 | USDA's Ag Handbook 8 and sequelae) |
| Anethum graveolens | Seed | -- | 3.0 | -0.2 | USDA's Ag Handbook 8 and sequelae) |
| Angelica sinensis | Root | 0.8 | 3.4 | -0.1 | * |
| Annona squamosa | Fruit | 1.0 | 5.0 | -0.0 | * |
| Annona cherimola | Fruit | 1.0 | 5.5 | 0.1 | * |
| Annona diversifolia | Fruit | 0.3 | 10.0 | 1.1 | * |
| Annona glabra | Fruit | 0.7 | 5.0 | -0.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |