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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 |
|---|---|---|---|
| Calendula officinalis | Calendula; Pot-Marigold | 1 | 0 |
| Carum carvi | Caraway; Carum; Kummel (Ger.); Comino (Sp.); Comino de prado (Sp.) | 1 | 7, 625 |
| Catharanthus roseus | Madagascar Periwinkle; Rosy Periwinkle | 2 | 0 |
| Caulophyllum thalictroides | Blue Cohosh | 3 | 4, 545 |
| Centaurium erythraea | Centaury | 1 | 0 |
| Chelidonium majus | Celandine | 2 | 0 |
| Chenopodium album | Lambsquarter | 1 | 0 |
| Chenopodium quinoa | not available | 1 | 0 |
| Chimaphila umbellata | King's Cure; Pipsissewa | 1 | 0 |
| Citrullus colocynthis | Colocynth | 1 | 0 |
| Cnicus benedictus | Blessed Thistle | 1 | 0 |
| Coptis chinensis | Chinese Goldthread; Huang-Lian; Huang-Lien | 2 | 270, 000 |
| Coptis japonica | Huang-Lia; Huang-Lian; Huang-Lien; Japanese Goldthread | 2 | 280, 000 |
| Coptis spp | Generic Goldthread | 3 | 90, 000 |
| Coriandrum sativum | Coriander; Chinese Parsley; Cilantro | 1 | 0 |
| Cornus florida | American Dogwood | 1 | 0 |
| Cornus officinalis | Chinese Dogwood | 1 | 0 |
| Corydalis spp | Fumewort | 8 | 0 |
| Crataegus laevigata | Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn | 1 | 0 |
| Crataegus monogyna | Hawthorn; English Hawthorn | 1 | 0 |