An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| TRANS-TRANS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE | not available | Duke, 1992 * |
| TROLOX | IC50 (uM) =1000 | Duke, 1992 * |
| URSOLIC-ACID | not available | Ringbom, T., Seguar, L., Noreen, Y., Perera, P., Bohlin, L. 1998. Ursolic Acid from Plantago major, a Selective Inhibitor of Cyclooxygenase-2 Catalyzed Prostaglandin Biosynthesis. J. Nat. Prod., 61(10): 1212-1215. |
| URUSHIOL | not available | Williamson, E. M. and Evans, F. J., Potter's New Cyclopaedia of Botanical Drugs and Preparations, Revised Ed., Saffron Walden, the C. W. Daniel Co., Ltd., Essex UK, 362 pp, 1988, reprint 1989. |
| ZINGERONE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Coriaria myrtifolia | Mealy Tree | 3 | 200, 000 |
| Coriaria thymifolia | Ground Toot; Shanshi | 2 | 0 |
| Coridothymus capitatus | Spanish Oregano | 2 | 18, 170 |
| Cornus florida | American Dogwood | 5 | 30, 000 |
| Cornus mas | Cornelian Cherry; Sorbet | 4 | 0 |
| Cornus officinalis | Chinese Dogwood | 3 | 0 |
| Corydalis spp | Fumewort | 1 | 0 |
| Corylus americana | American Filbert; American Hazel | 1 | 0 |
| Corylus avellana | English Filbert; European Filbert; European Hazel; Hazel; Cobnut | 2 | 0 |
| Costus speciosus | Crepe Ginger; Wild Ginger; Cane Reed | 1 | 0 |
| Crataegus cuneata | Hawthorn | 2 | 0 |
| Crataegus laevigata | Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn | 6 | 0 |
| Crataegus monogyna | Hawthorn; English Hawthorn | 6 | 40 |
| Crataegus rhipidophylla | Hawthorn | 5 | 0 |
| Crocus sativus | Saffron | 3 | 0 |
| Croton eluteria | Cascarilla | 1 | 0 |
| Croton lechleri | Sangre de Drago; Sangre de Grado; Sangre de Dragon; Dragons Blood | 2 | 0 |
| Cryptostegia grandifolia | Rubber Vine | 1 | 0 |
| Cucurbita pepo | Pumpkin | 4 | 0 |
| Cuminum cyminum | Cumin | 2 | 200 |