An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Biological Activity Antiplaque

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 Duke, 1992 *
OLEANOLIC-ACID MIC=625-1,250 ug/ml Duke, 1992 *
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 not available Pizzorno, J.E. and Murray, M.T. 1985. A Textbook of Natural Medicine. John Bastyr College Publications, Seattle, Washington (Looseleaf).
QUERCETIN not available 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 Duke, 1992 *
RHEIN ED50=0.6 ug/ml Duke, 1992 *
ROSMARINIC-ACID not available Duke, 1992 *
SANGUINARINE 2 ug/ml Duke, 1992 *
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 not available Martindale's 29th
List of Activity Plants.
Click on column headings to sort table by that column.
Plant Name Common Name Chemical Count Total Parts Per Million
Lippia alba White Lippia 1 0
Lippia dulcis Sweet Herb 1 0
Lippia graveolens Oregano 2 0
Liquidambar orientalis Oriental Storax; Oriental Styrax 1 0
Liquidambar styraciflua American Styrax; Sweetgum 4 28, 956
Litsea glaucescens Mexican bay 1 565
Lobelia inflata Indian Tobacco; Lobelia 2 3, 240.800000011921
Lonicera japonica Japanese Honeysuckle 3 3, 011
Lophatherum gracile Dan Zhu Ye 2 2, 515
Ludwigia adscendens Ascending ludwigia 1 0
Ludwigia perennis Perennial ludwigia 1 0
Luffa aegyptiaca Luffa; Smooth Loofah; Vegetable Sponge 2 8, 400
Lupinus albus White Lupine 2 2, 253
Lycium chinense Wolfberry; Chinese Boxthorn; Chinese Matrimony Vine; Chinese Wolfberry; Gou Qi (Chin.); Lyciet de Chine (Fr.); Chinesischer Bocksdorn (Ger.); Daun Koki (Indones.); Spina Santa Cinese (Ital.); Kuko (Jap.); Kaukichai (Malays.) 4 40, 843
Lycopersicon esculentum Tomato 5 10, 422
Lycopodium clavatum Antler Herb; Clubmoss 2 4, 736
Lycopus europeus European Bugle 2 37, 000
Lycopus virginicus Bugle 3 18
Lygodium japonicum Climbing Fern 2 2, 293
Lythrum salicaria Purple Loosestrife 1 0