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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
Illicium verum Star Anise; Chinese Star Anise; Chinesischer Sternanis (Ger.); Sternanis (Ger.); anis de China (Sp.); anis estrellado (Sp.) 2 21, 000
Inula helenium Elecampane 3 7, 503.900000095367
Ipomoea aquatica Swamp Cabbage; Water Spinach 2 7, 804
Ipomoea batatas Sweet Potato 4 1, 341.6000000238419
Isanthus brachiatus False Pennyroyal 1 0
Isatis tinctoria Dyer's Woad 4 4, 450
Jateorhiza palmata Calumba Root 1 0
Juglans cinerea Butternut 2 2, 713
Juglans nigra Black Walnut 7 26, 116
Juglans regia English Walnut 7 4, 854
Juncus effusus Rush 2 958
Juniperus communis Common Juniper; Juniper 3 60
Juniperus sabina Sabine 2 0
Juniperus virginiana Red Cedar 2 9, 117
Jussiaea repens Jussiaeae Herba; Pond Dragon 2 7, 260
Kalanchoe pinnata Air Plant; Siempre Viva 2 0
Kalanchoe spathulata Beach Bells 2 0
Krameria triandra Rhatany 1 0
Lablab purpureus Bonavist Bean; Hyacinth Bean; Lablab Bean 2 16, 794
Lactuca sativa Lettuce 5 9, 674