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| Chemical Name | Dosage | Reference |
|---|---|---|
| THALICMINE | not available | Duke, 1992 * |
| THEVETOXIN | not available | Duke, 1992 * |
| VERBENALIN | not available | Wagner & Wolff, eds. 1977. New Natural Products (RS164. I56. 176) |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Ocimum basilicum | Basil; Sweet Basil; Cuban Basil | 1 | 9, 000 |
| Ocimum suave | Kenyan Tree Basil | 1 | 0 |
| Ocimum tenuiflorum | Anise-Scented Basil | 1 | 2, 180 |
| Oenanthe aquatica | Water Fennel; Water Hemlock | 2 | 0 |
| Oenanthe crocata | Water Dropwort | 2 | 0 |
| Oenanthe javanica | Javan Water Dropwort | 1 | 0 |
| Olea europaea | Olive | 1 | 0 |
| Origanum majorana | Marjoram; Sweet Marjoram | 1 | 9, 400 |
| Origanum vulgare | Common Turkish Oregano; Wild Oregano; Oregano; Pot Marjoram; Wild Marjoram; European Oregano | 1 | 0 |
| Paeonia officinalis | Double Peony | 1 | 0 |
| Panax ginseng | Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng | 1 | 2, 800 |
| Panax japonicus | Japanese Ginseng | 1 | 0 |
| Panax quinquefolius | American Ginseng; Ginseng | 1 | 2, 000 |
| Papaver bracteatum | Great Scarlet Poppy | 1 | 0 |
| Papaver somniferum | Opium Poppy; Poppyseed Poppy | 3 | 2, 000 |
| Passiflora incarnata | Manzana de Mayo; Mayapple; Passionflower | 2 | 720 |
| Pastinaca sativa | Parsnip | 1 | 662, 000 |
| Peganum harmala | Harmel; Syrian Rue | 1 | 0 |
| Peperomia pelucida | Pepper elder; Yerba de la plata | 1 | 0 |
| Perilla frutescens | Perilla | 1 | 3, 800 |