| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Allium sativum var. sativum | Bulb | -- | 0.23 | * | |
| Glycine max | Plant | -- | -- | * | |
| Erythroxylum coca | Leaf | 10.0 | 65.0 | * | |
| Capsicum annuum | Fruit | -- | -- | * | |
| Hibiscus sabdariffa | Calyx | -- | -- | * | |
| Morinda citrifolia | Fruit | -- | 0.05 | * | |
| Capsicum frutescens | Fruit | -- | -- | * |