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| Chemical Name | Dosage | Reference |
|---|---|---|
| ZANTHOPHYLLINE | not available | Jacobson, M., Glossary of Plant-Derived Insect Deterrents, CRC Press, Inc., Boca Raton, FL, 213 p, 1990. |
| ZIMZIN | not available | Hanke, F. J., Natural Products as a Resource for Biologically Active Compounds, Thesis, U. Cal (Santa Cruz), 1986, 252 pp |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Pycnanthemum verticillatum | Whorled Mountain Mint | 3 | 714 |
| Pycnanthemum virginianum | Virginia Mountain Mint | 4 | 16, 269 |
| Pyropolyporus fomentarius | not available | 1 | 0 |
| Pyrus communis | Pear | 3 | 28 |
| Quassia amara | Bitterwood; Quassia | 1 | 0 |
| Quercus alba | White Oak | 4 | 0 |
| Quercus bambusaefolia | not available | 1 | 14 |
| Quercus championi | not available | 1 | 6.599999904632568 |
| Quercus infectoria | Aleppo Oak; Dyer's Oak; Gall Oak | 2 | 0 |
| Quercus myrsinaefolia | not available | 1 | 0.550000011920929 |
| Quercus robur | English Oak | 3 | 0 |
| Quercus rubra | Northern Red Oak | 3 | 0 |
| Quercus suber | Cork Oak | 1 | 0 |
| Quercus velutina | Black Oak | 2 | 0 |
| Quisqualis indica | Rangoon Creeper | 1 | 0 |
| Rabdosia adenantha | not available | 1 | 0 |
| Raphanus sativus | Radish | 1 | 0 |
| Ravensara aromatica | Ravensara | 6 | 18, 616 |
| Rehmannia glutinosa | Chinese Foxglove | 1 | 0 |
| Rheedia gardneriana | not available | 1 | 0 |