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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 |
|---|---|---|---|
| Origanum sipyleum | Bayircayi; Guveyoto | 2 | 13, 486 |
| Origanum syriacum | Za'Atar | 2 | 74, 515 |
| Origanum vulgare | Greek Oregano; Wild Oregano; Common Turkish Oregano | 10 | 8, 979, 508 |
| Oryza sativa | Rice | 1 | 0 |
| Pachira aquatica | Provision Tree | 1 | 27, 000 |
| Paeonia lactiflora | Chih-Shao; Peony; Common Garden Peony; White Peony; Bai Shao (Chinese) | 5 | 0 |
| Paeonia moutan | Moutan; Tree Peony | 3 | 0 |
| Paeonia officinalis | Double Peony | 2 | 0 |
| Paeonia suffruticosa | Moutan; Tree Peony; Moutan Peony | 3 | 0 |
| Panax ginseng | Chinese Ginseng; Oriental Ginseng; Ginseng; Korean Ginseng | 3 | 2, 813.6000003814697 |
| Panax japonicus | Japanese Ginseng | 1 | 0 |
| Panax notoginseng | Sanchi Ginseng | 1 | 0 |
| Panax quinquefolius | American Ginseng; Ginseng | 4 | 2, 000 |
| Papaver somniferum | Opium Poppy; Poppyseed Poppy | 1 | 0 |
| Passiflora incarnata | Manzana de Mayo; Mayapple; Passionflower | 3 | 0 |
| Pastinaca sativa | Parsnip | 2 | 0 |
| Paullinia cupana | Guarana | 1 | 120, 000 |
| Pausinystalia johimbe | Yohimbe | 1 | 0 |
| Perilla frutescens | Perilla | 2 | 0 |
| Persea americana | Avocado | 2 | 47, 000 |