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| 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 |
|---|---|---|---|
| Annona squamosa | Sugar-Apple; Sweetsop | 1 | 0 |
| Anogeissus latifolia | Gum Ghatti | 3 | 479, 000 |
| Apium graveolens | Celery | 6 | 52, 110 |
| Apocynum cannabinum | Bitterroot; Spreading Dogbane | 2 | 0 |
| Arachis hypogaea | Groundnut; Peanut | 4 | 106 |
| Araucaria bidwillii | Monkey puzzle | 3 | 10, 000 |
| Arbutus unedo | Arbutus; Strawberry Tree | 3 | 1, 220, 000 |
| Arctium lappa | Gobo; Great Burdock; Burdock | 1 | 109, 500 |
| Arctostaphylos uva-ursi | Bearberry; Uva Ursi | 8 | 555, 909 |
| Ardisia japonica | Marlberry | 1 | 0 |
| Areca catechu | Betel Nut; Pin-Lang | 2 | 500, 000 |
| Argemone mexicana | Prickly Poppy | 2 | 11, 410 |
| Armoracia rusticana | Horseradish | 3 | 6 |
| Arnica montana | Leopard's-Bane; Mountain Tobacco | 2 | 0 |
| Artemisia abrotanum | Southernwood | 1 | 0 |
| Artemisia absinthium | Wormwood | 2 | 77, 000 |
| Artemisia annua | Qinghao; Sweet Annie; Annual Mugwort (GRIN); Annual Wormwood (GRIN); Sweet Wormwood (GRIN) | 6 | 8, 200 |
| Artemisia cina | Levant Wormseed | 2 | 0 |
| Artemisia dracunculus | Tarragon | 5 | 3 |
| Artemisia herba-alba | Desert Wormwood | 1 | 0 |