| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Acacia melanoxylon | Plant | -- | -- | * | |
| Acacia decurrens | Plant | -- | -- | * | |
| Allium cepa | Leaf | -- | -- | Burtsev, A. F., Pashchenko, T. W., Rik, G. R. 1974. Mass-Spectrometric Analysis of Volatile Phytonocide Substances of Cucumber and Common Onion Leaves. Fiziol Biokhim Kul't Rast, 6: 516-. | |
| Allium cepa | Bulb | -- | -- | * | |
| Ananas comosus | Fruit | -- | -- | * | |
| Angelica archangelica | Root | -- | -- | * | |
| Annona muricata | Plant | -- | -- | * | |
| Brassica oleracea var. botrytis l. | Plant | -- | -- | * | |
| Brassica oleracea var. italica | Plant | -- | -- | Jim Duke's personal files. | |
| Brassica oleracea var. botrytis l. | Flower | -- | -- | * | |
| Carica papaya | Fruit | -- | -- | Jim Duke's personal files. | |
| Carum carvi | Fruit | -- | -- | * | |
| Carum carvi | Seed | -- | -- | * | |
| Centella asiatica | Plant | -- | -- | * | |
| Citrus sinensis | Fruit Juice | 0.8 | 80.0 | 1.0 | * |
| Citrus aurantium | Plant | -- | -- | * | |
| Citrus mitis | Fruit Juice | -- | 9.0 | -1.0 | * |
| Datura stramonium | Leaf | -- | -- | * | |
| Glycine max | Plant | -- | -- | * | |
| Hibiscus sabdariffa | Fruit | -- | -- | Chemical Constituents of Oriental Herbs (3 diff. books) |