| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Allium sativum var. sativum | Bulb | 10000.0 | 395000.0 | 1.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Allium ampeloprasum | Root | 9000.0 | 66000.0 | -0.0 | * |
| Alocasia macrorrhiza | Leaf | 8000.0 | 17700.0 | -1.8 | * |
| Alocasia macrorrhiza | Root | 3000.0 | 30975.0 | -1.0 | * |
| Aloe spp. | Leaf | -- | -- | * | |
| Alpinia galanga | Rhizome | 10000.0 | 71000.0 | -0.7 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Althaea officinalis | Root | 8640.0 | 80000.0 | 0.4 | * |
| Amaranthus spinosus | Leaf | 26000.0 | 240000.0 | 2.1 | * |
| Amorphophallus konjac | Leaf | 2000.0 | 77000.0 | -0.7 | * |
| Amorphophallus campanulatus | Shoot | -- | 163000.0 | 1.4 | * |
| Amorphophallus campanulatus | Root | 3100.0 | 66000.0 | -0.0 | * |
| Amorphophallus konjac | Root | -- | 24000.0 | -1.2 | * |
| Anacardium occidentale | Leaf | 12000.0 | 40000.0 | -1.4 | * |
| Anacardium occidentale | Fruit | 2000.0 | 28000.0 | -0.7 | * |
| Anacardium occidentale | Seed | 26000.0 | 32000.0 | -0.5 | * |
| Ananas comosus | Fruit | 2800.0 | 36000.0 | -0.5 | * |
| Anemone coronaria | Seed | 41000.0 | 45000.0 | -0.1 | * |
| Anethum graveolens | Plant | 26000.0 | 205880.0 | 1.5 | * |
| Anethum graveolens | Seed | 64000.0 | 84000.0 | 1.1 | * |
| Anethum graveolens | Fruit | 64000.0 | 84000.0 | 0.7 | * |