| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Cinnamomum camphora | Essential Oil | -- | -- | * | |
| Piper nigrum | Fruit | -- | -- | * | |
| Piper nigrum | Essential Oil | -- | -- | * | |
| Polianthes tuberosa | Flower | -- | -- | * | |
| Vaccinium corymbosum | Plant | -- | -- | * | |
| Vanilla planifolia | Fruit | -- | -- | * | |
| Vanilla planifolia | Plant | -- | -- | * | |
| Viola odorata | Flower | -- | -- | * |