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
Rhus toxicodendron Poison Ivy 3 0
Ribes nigrum Black Currant 6 1, 741
Ribes rubrum Red Currant; White Currant 2 1, 902
Ribes uva-crispa Gooseberry 2 954
Ricinus communis Castorbean 3 0
Robinia pseudoacacia Black Locust 1 0
Rosa canina Rose; Dogbrier; Dog Rose 3 4, 170
Rosa damascena Damask Rose 2 0
Rosa laevigata Cherokee Rose 2 2, 845
Rosa spp Rose Hips 1 0
Rosa woodsii Woods' Rose 1 65
Rosmarinus eriocalyx Rosemary 1 1, 410
Rosmarinus officinalis Rosemary 7 180, 873
Rosmarinus tomentosus Hairy Rosemary 1 1, 465
Rosmarinus x lavandulaceus Lavender Rosemary 1 2, 255
Rosmarinus x mendizabalii Mendizabali's Rosemary 1 805
Rubia cordifolia Madder 2 1, 909
Rubus chamaemorus Cloudberry 2 1, 915
Rubus chingii Chinese Raspberry 2 2, 768
Rubus idaeus Red Raspberry; Raspberry 5 9, 354