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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 |
|---|---|---|---|
| Pinus walliciana | Bhutan Pine | 2 | 0 |
| Piper auritum | Cordoncillo; Hierba Santa; Hoja Santa | 10 | 0 |
| Piper betel | Betel Pepper | 3 | 26, 650 |
| Piper cubeba | Cubeb; Cubeb Pepper | 7 | 645, 200 |
| Piper methysticum | Kava-Kava | 1 | 166, 000 |
| Piper nigrum | Black Pepper; Pepper; White Pepper | 16 | 1, 032, 660 |
| Piscidia piscipula | Jamaica Dogwood | 3 | 0 |
| Pistacia lentiscus | Mastic; Chios Mastictree; Mastictree; Mastixbaum (Ger.); Lentisco (Sp.) | 3 | 0 |
| Pistacia vera | Pistachio | 2 | 0 |
| Pisum sativum | Pea | 5 | 500 |
| Plantago asiatica | Asian Plantain | 2 | 0 |
| Plantago major | Common Plantain | 4 | 0 |
| Plantago ovata | Blond Psyllium; Ispaghula; Spogel Seeds; Psyllium; Indian Plantago | 2 | 0 |
| Plantago psyllium | Psyllium | 1 | 0 |
| Platycodon grandiflorum | Balloon Flower; Chieh-Keng; Jie-Geng | 1 | 0 |
| Plectranthus barbatus | Forskohl's Coleus; Indian Coleus; False Boldo | 1 | 717, 000 |
| Plectranthus coleoides | not available | 2 | 335 |
| Plectranthus incanus | Lal Agada | 1 | 65 |
| Plectranthus rugosus | not available | 1 | 45 |
| Pluchea carolinensis | Pito sico; Santa maria | 1 | 0 |