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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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NO-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
(+)-CATECHIN IC11=250 uM *
AJOENE IC50=2.5-5 uM *
ALLICIN IC50=2.5-5 uM *
ANDROGRAPHOLIDE IC50=36 uM *
BOLDINE *
BROUSSOCHALCONE-A *
CITRAL *
CURCUMIN *
DELPHINIDIN IC78=250 uM *
DIOSMETIN EC50=19 uM *
EMODIN IC50=60.7 uM *
EPICATECHIN *
GALLIC-ACID IC-26=250 uM *
GAMMA-TOCOPHEROL *
INDOLE-3-CARBINOL *
KAEMPFEROL IC50=13.9 uM *
LUTEOLIN *
QUERCETIN IC50=20 uM *
QUERCETIN IC>50=125 uM *
TOCOPHEROL *
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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
Teucrium polium Golden Germander 2 0
Teucrium scordium Water Germander 1 0
Theobroma cacao Cacao 4 0
Thespesia populnea Indian tulip tree 2 700
Thevetia peruviana Peruvian Yellow Oleander; Luckynut; Yellow Oleander; Oleandre Jaune (Fr.); Thevetie (Ger.); Loandro-Amarelo (Port.); Adelfa Amarilla (Sp.); Cabalonga (Sp.); Chirca (Sp.) 2 0
Thuja occidentalis Arbor-Vitae; Northern White-Cedar 1 0
Thymus serpyllum Creeping Thyme 1 0
Thymus vulgaris Common Thyme; Garden Thyme; Thyme 5 0
Tilia sp. Basswood; Lime; Linden 2 0
Tragopogon porrifolius Salsify 1 0
Tribulus terrestris Puncture-vine 2 0
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 3 2, 424
Tsuga canadensis Eastern Hemlock 1 0
Tussilago farfara Coltsfoot 2 0
Uncaria catechu Gambir; Pale Catechu 3 0
Uncaria guianensis Cat's Claw; Una de Gato; Garabato Colorado; Tambor Huasca; Ungunagi 2 0
Urginea maritima European Squill 2 0