Table 2.
The antibacterial activity of extract expressed as the MIC (mg mL-1) and the MBC (mg mL-1) determined by the broth microdilution assay.
| Bacterial strain | Source | C. versicolor methanol extract | |
|---|---|---|---|
| S. aureus | ATCC 25923 | MIC | 2.5 0.0ˆ* |
| MBC | 5.0 0.0 | ||
| S. epidermidis | ATCC 12228 | MIC | 0.625 0.000 |
| MBC | 1.25 0.00 | ||
| B. cereus | ATCC 11778 | MIC | 5.0 0.0 |
| MBC | 5.0 0.0 | ||
| L. monocytogenes | ATCC 19111 | MIC | 20.0 0.0 |
| MBC | nd1 | ||
| E. coli O157:H7 | ATCC 35150 | MIC | 20.0 0.0 |
| MBC | nd | ||
| S. Enteritidis | ATCC 13076 | MIC | 10.0 0.0 |
| MBC | 40.0 0.0 | ||
| S. sonnei | ATCC 29930 | MIC | 2.5 0.0 |
| MBC | nd | ||
| Y. enterocolitica | ATCC 27729 | MIC | 5.0 0.0 |
| MBC | 40.0 0.0 | ||
| P. hauseri | ATCC 13315 | MIC | 20.0 0.0 |
| MBC | 40.0 0.0 |
∗Data are expressed as mean ± SD (n = 3). 1nd, not determined (with the highest tested concentration of samples (40 mg mL-1), antibacterial activity was not determined).