Table 5. Minimum inhibitory concentration (MIC) of S. flavescens and S. chinensis 30% ethanol extract against Streptococcus mutans KCCM 40105

Samples1)	Clear zone on plate (mm/disk)					MIC (mg/mL)
	1.0	2.0	3.0	4.0	5.0
SF	-2)	9.46±0.473)c4)	10.23±0.31b	10.77±0.30ab	11.29±0.25a	2.0
SC	-	-	-	-	9.52±0.53	5.0

SF, Sophorae flavescens; SC, Schizandra chinensis.
Not detected.
All values are mean±SD (n=3).
Means with different superscript letters in the same row are significantly different at p<0.05 by Duncan’s multiple range test. a>b>c.