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Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
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Antiplaque

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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
MYRICETIN MIC=20 ug/ml *
OLEANOLIC-ACID MIC=625-1,250 ug/ml *
PATCHOULI-ALCOHOL MIC=39-2,500 ug/ml Osawa, K., Matsumoto, T., Maruyama, T., Takiguchi, T., Okuda, K., and Takazoe, I., Studies of the antibacterial activity of plant extracts and their constituents against periodontopathic bacteria, Bull Tokyo Dent. Coll., 31 (1), 1990, 17-21
POGOSTONE MIC=39-625 ug/ml Osawa, K., Matsumoto, T., Maruyama, T., Takiguchi, T., Okuda, K., and Takazoe, I., Studies of the antibacterial activity of plant extracts and their constituents against periodontopathic bacteria, Bull Tokyo Dent. Coll., 31 (1), 1990, 17-21
PROANTHOCYANIDINS Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
QUERCETIN Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
RHAMNOCITRIN MIC=625 ug/ml *
RHEIN ED50=0.6 ug/ml *
ROSMARINIC-ACID *
SANGUINARINE 2 ug/ml *
THYMOL MIC=39-625 ug/ml Osawa, K., Matsumoto, T., Maruyama, T., Takiguchi, T., Okuda, K., and Takazoe, I., Studies of the antibacterial activity of plant extracts and their constituents against periodontopathic bacteria, Bull Tokyo Dent. Coll., 31 (1), 1990, 17-21
ZINC Martindale's 29th
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List of Activity Plants.
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Plant Name Common Name Chemical Count Total Parts Per Million
Cynanchum atratum Bai-Wei; Pai-Wei 2 4, 482
Cynara cardunculus Artichoke 4 4, 315.699999809265
Cyperus rotundus Nutsedge 4 1, 533
Cypripedium pubescens Ladyslipper 2 1, 157
Cyrtosperma chamissonis Swamp Taro 2 1, 265
Cytisus scoparius Scotch Broom 1 0
Daemonorops draco Dragon's Blood 1 0
Daucus carota Carrot 6 2, 060.2000000476837
Dendrobium nobile Noble Dendrobium 2 546
Dictamnus albus Akgiritotu; Burning Bush; Dittany; Gas Plant; Gazelotu 2 875
Dioscorea alata Greater Yam; Winged Yam 2 1, 688
Dioscorea bulbifera Air Potato; Potato Yam 2 764
Dioscorea pentaphylla Mountain Yam 1 792
Dioscorea sp. Wild Yam 2 1, 686
Dioscorea villosa Wild Yam 2 1, 635.5999999046326
Diospyros virginiana American Persimmon 5 10, 587
Dodonaea viscosa Hopwood 2 0
Dracocephalum thymiflora Thyme-Flowered Moldavica 1 134
Drimys winteri Winter's Bark 2 0
Drynaria fortunei Fortune's Fern 2 4, 157