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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 |
|---|---|---|---|
| Ononis spinosa | Spiny Restharrow; Restharrow; Hauhechel (Ger.) | 5 | 177 |
| Ophiopogon japonicus | Mai-Men-Dong; Mai-Men-Tung | 1 | 0 |
| Opuntia ficus-indica | Indian Fig; Prickly Pear; Nopal; Nopalito | 5 | 2, 721, 600 |
| Origanum compactum | not available | 1 | 90 |
| Origanum creticum | Dittany Of Crete | 1 | 0 |
| Origanum majorana | Marjoram; Sweet Marjoram | 11 | 1, 638, 086 |
| Origanum minutiflorum | Small-Flowered Oregano | 5 | 1, 077 |
| Origanum onites | Oregano; Pot Marjoram | 10 | 13, 120 |
| Origanum sipyleum | Bayircayi; Guveyoto | 6 | 31, 399.599999904633 |
| Origanum syriacum | Za'Atar | 7 | 2, 880.10000000149 |
| Origanum vulgare | Greek Oregano; Wild Oregano; Common Turkish Oregano | 18 | 1, 752, 811.3000000045 |
| Orthosphenia mexicana | not available | 1 | 0 |
| Oryza sativa | Rice | 2 | 0 |
| Pachira aquatica | Provision Tree | 1 | 0 |
| Pachyrhizus erosus | Yambean | 1 | 10, 000 |
| Paeonia lactiflora | Chih-Shao; Peony; Common Garden Peony; White Peony; Bai Shao (Chinese) | 2 | 0 |
| Paeonia moutan | Moutan; Tree Peony | 2 | 0 |
| Paeonia suffruticosa | Moutan; Tree Peony; Moutan Peony | 2 | 0 |
| Panax ginseng | Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng | 10 | 0 |
| Panax japonicus | Japanese Ginseng | 1 | 0 |