TableT 5.
Antibiogram of red propolis extracts.
| Inhibition halo (mm)* | ||
|---|---|---|
| Tested extract** | Salmonella enteritidis | Staphylococcus aureus |
| C(+)*** | 34.7d ± 1.5 | 20.4b ± 0.5 |
| NC N.d. | 15.0b ± 0.0 | 22.0bc ± 0.0 |
| NC25 | 0.0a ± 0.0 | 7.2a ± 0.3 |
| NC75 | 0.0a ± 0.0 | 8.2a ± 1.0 |
| EXT N.d. | 15.7b ± 2.1 | 23.0c ± 1.0 |
| EXT25 | 0.0a ± 0.0 | 8.0a ± 0.9 |
| EXT75 | 6.8c ± 0.8 | 10.3d ± 0.6 |
*
Values are mean ± standard deviation (SD). Means followed by the same letter in column do not differ by Tukey’s test at 5% significance.
**
C(+) = Positive control; NC N.d. = Negative control no dilution; NC25 = Negative control 25 mg ml−1; NC75 = Negative control 75 mg ml−1; EXT N.d. = Extract no dilution (394 mg RuE. g−1); EXT25 = Extract 25 mg.ml−1 (7,9 μg RuE/disc); EXT75 = Extract 75 mg.ml−1 (23,8 μg RuE/disc).
***
Meropenem (10 μg/disc) – Salmonella enteritidis and Vancomycin (30 μg/disc) – Staphylococcus aureus.