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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 |
|---|---|---|---|
| Nepeta cataria | Catnip | 4 | 10, 300 |
| Nepeta racemosa | Catmint | 2 | 950 |
| Nerium oleander | Oleander | 3 | 43, 000 |
| Nicotiana tabacum | Tobacco | 2 | 0 |
| Nigella sativa | Black Cumin; Roman Coriander; Fennel-Flower; Nutmeg-Flower; Black Caraway | 3 | 0 |
| Ocimum basilicum | Basil; Sweet Basil; Cuban Basil | 8 | 194, 589 |
| Ocimum canum | Hoary Basil | 1 | 0 |
| Ocimum gratissimum | Agbo; Shrubby Basil | 2 | 6, 080 |
| Ocimum sanctum | Holy Basil; Tulsi | 2 | 420 |
| Ocimum suave | Kenyan Tree Basil | 1 | 0 |
| Ocimum tenuiflorum | Anise-Scented Basil | 5 | 7, 300 |
| Oenanthe javanica | Javan Water Dropwort | 1 | 0 |
| Oenothera biennis | Evening-Primrose | 6 | 317, 200 |
| Olea europaea | Olive | 7 | 13 |
| Ononis spinosa | Spiny Restharrow; Restharrow; Hauhechel (Ger.) | 6 | 15, 000 |
| Opuntia ficus-indica | Indian Fig; Prickly Pear; Nopal; Nopalito | 1 | 0 |
| Origanum creticum | Dittany Of Crete | 2 | 0 |
| Origanum majorana | Marjoram; Sweet Marjoram | 5 | 1, 936, 440 |
| Origanum minutiflorum | Small-Flowered Oregano | 2 | 20, 070 |
| Origanum onites | Oregano; Pot Marjoram | 2 | 78, 812 |