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| Chemical Name | Dosage | Reference |
|---|---|---|
| TESTOSTERONE | not available | Duke, 1992 * |
| THIOURACIL | not available | Jim Duke's personal files. |
| THYMOQUINONE | not available | Jim Duke's personal files. |
| TRYPTOPHAN | not available | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| XANTHINE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Conium maculatum | Poison Hemlock; Hemlock; Spotted Hemlock; Fool's Parsley; Carrot Fern; Spotted Parsley | 1 | 0 |
| Consolida ajacis | Larkspur | 2 | 0 |
| Convallaria majalis | Lily-Of-The-Valley | 1 | 0 |
| Conyza canadensis | Butterweed; Hogweed; Horseweed | 4 | 0 |
| Corchorus olitorius | Jew's Mallow; Mulukiya; Nalta Jute | 2 | 318, 075 |
| Coriandrum sativum | Coriander; Chinese Parsley; Cilantro | 8 | 497, 247 |
| Coriaria myrtifolia | Mealy Tree | 3 | 200, 000 |
| Coriaria thymifolia | Ground Toot; Shanshi | 2 | 0 |
| Cornus florida | American Dogwood | 4 | 30, 000 |
| Cornus mas | Cornelian Cherry; Sorbet | 4 | 1, 374, 000 |
| Cornus officinalis | Chinese Dogwood | 1 | 0 |
| Corylus americana | American Filbert; American Hazel | 3 | 0 |
| Corylus avellana | English Filbert; European Filbert; European Hazel; Hazel; Cobnut | 3 | 94, 250 |
| Crataegus cuneata | Hawthorn | 1 | 0 |
| Crataegus laevigata | Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn | 4 | 0 |
| Crataegus monogyna | Hawthorn; English Hawthorn | 3 | 40 |
| Crataegus rhipidophylla | Hawthorn | 4 | 0 |
| Crocus sativus | Saffron | 4 | 0 |
| Crotalaria retusa | Rattlepod | 1 | 0 |
| Croton eluteria | Cascarilla | 1 | 0 |