Table 3. Antibacterial activity according to various extraction methods of S. flavescens and S. chinensis against Streptococcus mutans KCCM 40105

Extraction solvents
Samples1) Clear zone on plate (mm/disk)
Hexane Ether Ethyl acetate Ethanol Methanol Water
SF -2) 13.74±0.803)ns4) 13.56±0.33 13.93±0.67 13.30±0.74 -
SC - - - 12.85±1.13ns 12.23±0.22 12.74±0.05
Ethanol extraction concentration (%)
Samples1) 0 30 50 70 94.5
SF - 10.69±0.50ns 10.89±0.23 10.31±0.73 10.58±0.26
SC 12.92±1.953)ns 14.49±3.62 14.67±4.34 13.36±3.19 9.68±1.05
SF, Sophorae flavescens; SC, Schizandra chinensis.
Not detected.
All values are mean±SD (n=3).
Means with letters in the same row are not significantly different at p<0.05 by Duncan’s multiple range test.