Table 2. Antibacterial activities of different plant extracts against Streptococcus mutans KCCM 40105

Sample Clear zone on plate (mm/disk)
Ethanol extract Water extract
Poncirus trifoliata -1) -
Alnus japonica - -
Syzygium aromaticum - -
Sophora flavescens 10.67±0.702) -
Ginkgo biloba L. - -
Artemisia capillaris - -
Glycyrrhiza uralensis Fisch - -
Eriobotrya japonica Lindl. - -
Acanthopanax sessiliflorus - -
Schisandra chinensis (Turcz.) Baill. 10.59±0.63 11.43±0.74
Machilus thunbergii - -
Siegesbeckia pubescens - -
Angelicae Dahuricae Radix - -
Citrus junos Siebold ex Tanaka - -
Mume fructus - -
Origanum vulgare L. - -
Propolis - -
Not detected.
All values are mean±SD (n=3).