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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Cyclooxygenase-Inhibitor

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List of activity chemicals.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Chemical Name Dosage Reference
TRANS-TRANS-5-ETHYL-4,6,7-TRITHIA-2,8-DECADIENE-4-S-OXIDE *
TROLOX IC50 (uM) =1000 *
URSOLIC-ACID 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 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 *
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Trichosanthes anguina Snakegourd 1 130, 000
Tridax procumbens Coatbuttons; Mexican daisy 2 0
Trifolium pratense Red Clover; Purple Clover; Peavine Clover; Cowgrass 3 0
Trigonella foenum-graecum Fenugreek; Greek Clover; Greek Hay; Bockshornklee (Ger.); Alholva (Sp.) 3 0
Triticum aestivum Wheat 4 531
Tsuga canadensis Eastern Hemlock 2 410, 500
Turnera diffusa Damiana 2 40, 000
Tussilago farfara Coltsfoot 3 176, 000
Ulmus rubra Slippery Elm; Red Elm 2 130, 046
Umbellularia californica California Bay 1 1, 320
Uncaria catechu Gambir; Pale Catechu 2 0
Uncaria guianensis Cat's Claw; Una de Gato; Garabato Colorado; Tambor Huasca; Ungunagi 1 0
Uncaria tomentosa Cat's Claw; Garabato Amarillo; Una de Gato 2 450
Urginea maritima European Squill 2 0
Urtica dioica European Nettle; Stinging Nettle 6 266, 070
Vaccinium corymbosum Blueberry 7 0
Vaccinium macrocarpon Cranberry; Large Cranberry; American Cranberry 4 750
Vaccinium myrtillus Bilberry; Whortleberry; Dwarf Bilberry 9 967, 500
Vaccinium vitis-idaea Cowberry; Lingen; Lingonberry 7 633, 000
Valeriana officinalis Valerian; Common Valerian; Garden-Heliotrope 4 3, 165