Table 1.
Minimum inhibitory concentration of flavonoids 5a–g against tested microbial strains (µg/mL).
| Microbial Strains | 5a | 5b | 5c | 5d | 5e | 5f | 5g | DMSO (%) | Control |
|---|---|---|---|---|---|---|---|---|---|
| Staphylococcus aureus ATCC 25923 | 0.97 | 0.97 | 0.48 | 0.97 | 0.48 | 0.97 | 0.97 | 24.87 | 1.95 a/7.81 chl |
| Bacillus subtilis ATCC 6633 | 0.24 | 0.12 | 0.12 | 0.48 | 0.24 | 0.9 | 0.48 | 24.87 | 0.12 a |
| Enterococcus faecium medbio2-2012 | 7.81 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 12.43 | 15.62 chl |
| Escherichia coli ATCC 25922 | 7.81 | 15.62 | 31.25 | 7.81 | 62.50 | 15.62 | 31.25 | 12.43 | 62.50 a/7.81 k |
| Pseudomonas aeruginosa PAO1 | 125 | 125 | 125 | 125 | 125 | 125 | 125 | 12.43 | >250 a |
| Acinetobacter pittii Cl2 | 7.81 | 7.81 | 7.81 | 62.50 | 62.50 | 15.62 | 31.25 | 6.21 | >250 a/0.37 cip |
| Candida albicans ATCC 10231 | 15.62 | 7.81 | 7.81 | 7.81 | 7.81 | 15.62 | 15.62 | 6.21 | >500 f |
| Candida krusei Prx | 7.81 | 7.81 | 7.81 | 3.90 | 15.62 | 7.81 | 7.81 | 6.21 | 62.5 f |
a—ampicillin; chl—chloramphenicol; cip—ciprofloxacin; k—kanamycin; f—fluconazole. The values are means for at least three replicates.