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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
Teucrium scorodonia Germander; Wood Germander 3 1.0199999809265137
Theobroma cacao Cacao 3 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
Thymus broussonettii Moroccan Thyme 2 5, 350
Thymus capitatus 'Sicilian' Thyme; Spanish Origanum; Spanish Thyme 3 45, 147
Thymus cilicicus 'Anatolian' Thyme 2 1, 515.1000000014901
Thymus funkii Funk's Thyme 3 4, 169
Thymus longicaulis Kekik; Tas Kekik 3 187.20000004768372
Thymus mastichina Spanish Marjoram 2 7, 690
Thymus orospedanus Orosped Thyme 2 4, 008
Thymus riatarum 'Moroccan' Thyme 2 2, 950
Thymus saturejoides Moroccan Savory Thyme 2 20
Thymus serpyllum Creeping Thyme 5 38, 400
Thymus vulgaris Common Thyme; Garden Thyme; Thyme 7 2, 408, 242.5
Thymus x citriodorus Funk's thyme; Lemon Thyme 2 200
Thymus zygis 'Portuguese' Thyme 3 21, 710.10000000149
Tilia sp. Basswood; Lime; Linden 1 0
Trachyspermum ammi Ajwan 3 22, 163
Tragopogon porrifolius Salsify 2 1, 002