| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Alliaria petiolata | Essential Oil | 2.0 | 25.0 | * | |
| Allium cepa | Bulb | -- | -- | Dorsch, W., Adam, O., Weber, J., Ziegeltrum, T. 1985. Antiasthmatic Effects of Onion Extracts - Detection of Benzyl- and Other Isothiocyanates (Mustard Oils) as Antiasthmatic Compounds of Plant Origin. Eur. J. Pharmacol., 107(1): 17-24. | |
| Brassica oleracea var. capitata l. | Leaf | -- | -- | * | |
| Carica papaya | Fruit | 0.001 | 291.0 | * | |
| Carica papaya | Seed | 2000.0 | 5000.0 | -1.0 | Jim Duke's personal files. |
| Lepidium sativum | Plant | -- | -- | * | |
| Moringa oleifera | Root | -- | -- | * | |
| Tropaeolum majus | Seed | -- | 9700.0 | 1.0 | * |
| Tropaeolum majus | Shoot | -- | 300.0 | * |