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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
FOLIC-ACID Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
FRAXETIN IC100=10 uM *
GALLIC-ACID IC50=24 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
GEMIN-D IC50=35 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
GERANIIN IC50=>40 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
GLISOFLAVONE IC50=>100 uM *
GLYCYCOUMARIN IC50=>100 uM *
GLYCYRRHISOFLAVANONE IC50=>100 uM *
GLYCYRRHISOFLAVONE IC50=53 uM *
HYPERIN-2''-GALLATE 73 uM *
HYPEROSIDE *
ISOQUERCETRIN-2''-GALLATE 50 uM *
ISOTERCHEBIN IC50=14 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
LICOARYLCOUMARIN IC50=>100 uM *
LICOCHALCONE-A IC50=56 uM *
LICOCHALCONE-B IC50=30 uM *
LICOCOUMARONE IC50=13 uM *
LICOPYRANOCOUMARIN IC50=>100 uM *
LUTEOLIN IC50=0.11 ug/ml Chem. & Pharm. Bull. 38: 1772.
METHYL-GALLATE IC50=29 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.
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Plant Name Common Name Chemical Count Total Parts Per Million
Rumex crispus Curly Dock; Lengua De Vaca; Yellow Dock; Sour Dock 5 240, 000
Rumex hymenosepalus Canaigre 1 350, 000
Ruta graveolens Rue 2 0
Salix alba White Willow 5 120, 000
Salvia officinalis Sage 8 80, 000
Salvia sclarea Clary Sage 1 0
Salvia sp. Chia 1 306
Sambucus canadensis American Elder; Elderberry; American Elderberry; Sweet Elder 2 0
Sambucus nigra European Alder; European Elder; European Elderberry; Elder; Black Elder 4 150, 000
Sambucus simpsonii Simpson's elderberry 1 0
Sanguisorba minor Small Burnet 4 0
Sanguisorba officinalis Greater Burnet 3 340, 000
Santalum album White Sandalwood 1 0
Santolina chamaecyparissus Lavender Cotton 5 0
Sarcostemma acidum Soma 1 0
Sarracenia alata 1 0
Sarracenia flava 1 0
Sarracenia leucophylla 1 0
Sarracenia minor 1 0
Sarracenia oreophila 1 0