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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
Panicum maximum Guinea grass 1 4, 500
Papaver somniferum Opium Poppy; Poppyseed Poppy 3 31, 460
Parthenium integrifolium Feverfew; American Feverfew; Wild Quinine; Missouri Snakeroot; Prairie-Dock 3 10, 018.500000238419
Passiflora incarnata Manzana de Mayo; Mayapple; Passionflower 4 7, 500
Pastinaca sativa Parsnip 5 2, 173.5999999046326
Perideridia gairdneri Squaw Root 1 500
Perilla frutescens Perilla 4 21, 180
Persea americana Avocado 6 1, 761.2000000476837
Petasites hybridus European Butterbur 1 0
Petasites japonicus Butterbur 3 2, 605
Petroselinum crispum Parsley 7 3, 209
Peucedanum decursivum Qian Hu 1 42
Peumus boldus Boldo 3 40, 024
Phaseolus acutifolius Tepary Bean 2 1, 899
Phaseolus coccineus Scarlet Runner Bean 2 1, 782
Phaseolus lunatus Butter Bean; Lima Bean 2 14, 200
Phaseolus vulgaris Black Bean; Green Bean; Haricot Bean; Garden Bean; String Bean; Dwarf Bean; Field Bean; Flageolet Bean; French Bean; Kidney Bean; Navy Bean; Pop Bean; Popping Bean; Snap Bean; Wax Bean; Haricot Vert; Haricot 3 406, 255.80000162125
Phellodendron amurense Huang Po; Po Mu; Amur Cork Tree; Huang Bai 2 2, 704
Phoenix dactylifera Date Palm 4 823.1700000017881
Phoradendron juniperinum 1 3