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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
Gastrodia elata Tian Ma 2 602
Genipa americana Genipap; Jagua 2 8, 860
Gentiana lutea Yellow Gentian; Gentian 3 5, 485.800000190735
Gentiana scabra Japanese Gentian 2 1, 168
Geranium thunbergii Gennoshiouko; Oriental Geranium 5 3, 376
Ginkgo biloba Ginkgo; Maidenhair Tree 7 3, 230.5999999046326
Glaucium flavum Horned Poppy 1 0
Glechoma hederacea Alehoof 4 26, 450
Glehnia littoralis Bei Sha Shen 2 1, 676
Glycine max Soybean 5 3, 254
Glycyrrhiza glabra Commom Licorice; Licorice; Smooth Licorice; Licorice-Root 7 2, 231, 241.2000000477
Glycyrrhiza uralensis Chinese Licorice; Gan-Cao; Kan-Tsao 4 512, 280
Gossypium sp Cotton 4 43.799999952316284
Guazuma tomentosa 2 0
Gymnema sylvestre Gymnema; Miracle Fruit 2 2, 120
Haematoxylum campechianum Campechy; Logwood 2 0
Hamamelis virginiana Witch Hazel 3 0
Harpagophytum procumbens Devil's Claw; Grapple Plant 4 10, 883.599999904633
Hedeoma drummondii Drummond's Pennyroyal 1 2, 342
Hedeoma pulegioides American Pennyroyal 1 30