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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Xanthine-Oxidase-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
TELLIMAGRANDIN-I IC50=7 uM Hatano, T., Yasuhara, T., Yoshihara, R., Agata, I., Noro, T., and Okuda, T. 1989. Effects of Interaction of Tannins with Co-existing Substances.VII. Inhibitory Effects of Tannins Related Polyphenols on Xanthine Oxidase. Chem. Pharm. Bull. 38(5): 1224-1229
TELLIMAGRANDIN-II IC50=3 uM Hatano, T., Yasuhara, T., Yoshihara, R., Agata, I., Noro, T., and Okuda, T. 1989. Effects of Interaction of Tannins with Co-existing Substances.VII. Inhibitory Effects of Tannins Related Polyphenols on Xanthine Oxidase. Chem. Pharm. Bull. 38(5): 1224-1229
UMBELLIFERONE Mills, Simon and Bone, Kerry. 2000. Phytotherapy. Churchill
Livinston, Edinburgh.
VALONEIC-ACID-DILACTONE IC50=0.76 uM Hatano, T., Yasuhara, T., Yoshihara, R., Agata, I., Noro, T., and Okuda, T. 1989. Effects of Interaction of Tannins with Co-existing Substances.VII. Inhibitory Effects of Tannins Related Polyphenols on Xanthine Oxidase. Chem. Pharm. Bull. 38(5): 1224-1229
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List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Tilia sp. Basswood; Lime; Linden 3 0
Tragopogon porrifolius Salsify 1 0
Tribulus terrestris Puncture-vine 1 0
Trichilia hirta Jojoban 1 0
Tridax procumbens Coatbuttons; Mexican daisy 3 0
Trifolium pratense Red Clover; Purple Clover; Peavine Clover; Cowgrass 3 0
Trigonella foenum-graecum Fenugreek; Greek Clover; Greek Hay; Bockshornklee (Ger.); Alholva (Sp.) 5 10
Triticum aestivum Wheat 4 4.899999976158142
Tsuga canadensis Eastern Hemlock 1 410, 500
Turnera diffusa Damiana 1 40, 000
Tussilago farfara Coltsfoot 4 178, 800
Ulmus rubra Slippery Elm; Red Elm 1 130, 000
Uncaria catechu Gambir; Pale Catechu 4 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 1 75
Urginea maritima European Squill 2 0
Urtica dioica European Nettle; Stinging Nettle 6 266, 000
Vaccinium corymbosum Blueberry 8 0.5
Vaccinium macrocarpon Cranberry; Large Cranberry; American Cranberry 3 2, 250.6000000089407
Vaccinium myrtillus Bilberry; Whortleberry; Dwarf Bilberry 12 960, 120