Table 3.
Comparison of Proteus mirabilis a susceptibility to ethanol extract of propolis (EEP) and ethanol (EtOH).
| C [v/v%] | Number of P. mirabilis Strains | |||||
|---|---|---|---|---|---|---|
| MBIC b 0 h (%) | BPC c 0 h (%) | MBEC c 24 h (%) | ||||
| EEP | EtOH | EEP | EtOH | EEP | EtOH | |
| >40.0% | - | - | - | - | - | 3 (9.67) |
| 40.0 | - | - | - | - | - | 6 (19.3) |
| 20.0 | - | - | 5 (16.1) | 3 (9.7) | 3 (9.7) | 2 (6.45) |
| 10.0 | - | 1 (3.2) | 12 (38.7) | 14 (45.2) | 21 (67.7) | 6 (19.3) |
| 5.0 | 4 (12.9) | 22 (71.0) | 12 (38.7) | 13 (41.9) | 7 (22.6) | 4 (12.9) |
| 2.5 | 17 (54.8) | 8 (25.8) | 2 (6.5) | - | - | 7 (22.6) |
| 1.0 | 4 (12.9) | - | - | 1 (3.2) | - | 3 (9.7) |
| <1.0 | 6 (19.4) | - | - | - | - | - |
| Total number of strains | 31 (100.0) | |||||
a EEP and EtOH impact on 1.50 × 109 CFU per mL (0.5 McFarland) inoculum of P. mirabilis forming a biofilm (0 h) and mature biofilm (24 h) (n = 31). b MBIC obtained visually by the absence of opacification. c BPC and MBEC obtained by plating wells content on CLED agar and 24-h incubation at 37 °C.