Table 1.
Antibacterial potential of selected polyphenols; results are expressed in mg/mL.
| Bacteria | Hesperetin | Hesperidin | Naringenin | Naringin | Taxifolin | Rutin | Isoquercitrin | Morin | Chlorogenic Acid | Ferrulic Acid | p-Coumaric Acid | Gallic Acid | Streptomycin | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Methicillin resistant S. aureus IBRS MRSA 011 | MIC | 0.5 | 0.5 | 0.25 | 0.5 | 0.25 | 0.5 | 0.5 | 0.12 | 0.5 | 0.5 | 0.5 | >1 | 0.1 |
| MBC | 1 | 1 | 0.5 | 1 | 0.5 | 1 | 1 | 0.25 | 1 | 1 | 1 | >1 | 0.8 | |
| P. aeruginosa IBRS P001 | MIC | 0.5 | 0.5 | 0.25 | 0.25 | 0.25 | 0.5 | 0.25 | 0.12 | 0.5 | 0.5 | 0.5 | >1 | 0.05 |
| MBC | 1 | 1 | 0.5 | 0.5 | 0.5 | 1 | 0.5 | 0.25 | 1 | 1 | 1 | >1 | 0.1 | |
| P. aeruginosa MMA83 | MIC | 1 | 1 | 1 | >1 | 1 | 0.5 | 0.25 | 1 | 1 | 1 | 0.5 | 1 | >1 |
| MBC | 1 | 1 | 1 | >1 | >1 | 0.5 | 0.25 | 1 | >1 | 1 | 1 | 1 | >1 | |
| E. coli IBRS E003 | MIC | >1 | >1 | 0.5 | >1 | 0.5 | >1 | >1 | 0.25 | >1 | >1 | >1 | >1 | 0.1 |
| MBC | >1 | >1 | 1 | >1 | 1 | >1 | >1 | 0.5 | >1 | >1 | >1 | >1 | 0.2 | |
| E. coli IMD989 | MIC | >1 | >1 | 1 | >1 | 1 | 1 | 1 | >1 | >1 | 1 | 1 | >1 | 1 |
| MBC | >1 | >1 | >1 | >1 | 1 | 1 | 1 | >1 | >1 | 1 | 1 | >1 | >1 | |
| A. baumannii 6077/12 | MIC | 0.5 | 0.5 | 0.5 | >1 | 0.5 | 0.5 | 0.25 | 0.5 | 1 | 0.5 | 0.5 | 0.5 | >1 |
| MBC | 0.5 | 0.5 | 0.5 | >1 | 1 | 0.5 | 0.5 | 0.5 | 1 | 0.5 | 0.5 | 1 | >1 | |
| A. baumannii S2/2 | MIC | 0.5 | 0.5 | 0.5 | >1 | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 0.5 | 0.5 | 0.5 | >1 |
| MBC | 0.5 | 0.5 | 0.5 | >1 | 0.5 | 0.5 | 0.5 | 0.5 | >1 | 0.5 | 0.5 | 0.5 | >1 | |
| K. pneumoniae Ni9 | MIC | 1 | 1 | 0.25 | >1 | 1 | 1 | 0.5 | 0.5 | >1 | 1 | 1 | 1 | >1 |
| MBC | 1 | 1 | 0.5 | >1 | 1 | 1 | 1 | 1 | >1 | 1 | 1 | 1 | >1 | |
| K. pneumoniae IT977 | MIC | >1 | 1 | 1 | >1 | >1 | 1 | 1 | >1 | >1 | 1 | 1 | 1 | >1 |
| MBC | >1 | 1 | 1 | >1 | >1 | 1 | 1 | >1 | >1 | 1 | 1 | 1 | >1 | |
| A. xylosoxidans 37F | MIC | 1 | 1 | 1 | >1 | 1 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 | 0.5 | >1 |
| MBC | 1 | 1 | 1 | >1 | 1 | 1 | 0.5 | 1 | >1 | 1 | 1 | 1 | >1 | |
| S. infantis 1371/1 | MIC | >1 | >1 | >1 | >1 | >1 | 1 | 1 | >1 | >1 | 1 | 1 | >1 | >1 |
| MBC | >1 | >1 | >1 | >1 | >1 | 1 | 1 | >1 | >1 | 1 | 1 | >1 | >1 |