Table 3 Diameter of antibacterial circles of each herb and QDS
Group | Diameter of antibacterial circles (mm, mean ± SD) | ||||
|---|---|---|---|---|---|
Escherichia coli | Staphylococcus | Salmonella | Staphylococcus aureus | Shigella | |
Coptis | 12 ± 1.71a | 22 ± 2.15a | 6 ± 0.00 | 19 ± 3.46a | 18 ± 2.25a |
Phellodendron | 6 ± 0.00b | 14 ± 1.44b | 6 ± 0.00 | 12 ± 1.96b | 6 ± 0.00b |
Acacia | 6 ± 0.00b | 10 ± 2.71c | 6 ± 0.00 | 11 ± 0.89c | 6 ± 0.00b |
Mentha | 6 ± 0.00b | 6 ± 0.00d | 6 ± 0.00 | 6 ± 0.00d | 6 ± 0.00b |
Platycodon Indigo | 6 ± 0.00b | 6 ± 0.00d | 6 ± 0.00 | 6 ± 0.00d | 6 ± 0.00b |
Naturalis | 6 ± 0.00b | 6 ± 0.00d | 6 ± 0.00 | 6 ± 0.00d | 6 ± 0.00b |
QDS | 6 ± 0.00b | 6 ± 0.00d | 6 ± 0.00 | 6 ± 0.00d | 6 ± 0.00b |
Negative control | 6 ± 0.00b | 6 ± 0.00d | 6 ± 0.00 | 6 ± 0.00d | 6 ± 0.00b |