(a)
| S. aureus strains | Hemolysis (%) of sheep erythrocytes by CAB extracts | ||
|---|---|---|---|
| Control (0) | CAB-E2 (100 μg/mL) | CAB-E4 (100 μg/mL) | |
| MRSA ATCC 33591 | 100% | 30.3% ± 4.2** | 55.1% ± 3.1* |
| MRSA-20 | 100% | 54.3% ± 3.6* | 57.9% ± 2.8* |
| MRSA-44 | 100% | 45.3% ± 5.1** | 47.4% ± 3.6* |
| MRSA-45 | 100% | 33.1% ± 2.6** | 55.6% ± 5.1* |
| MRSA-395 | 100% | 57.7% ± 4.6* | 55.8% ± 4.2* |
| MRSA-410 | 100% | 53.5% ± 3.3* | 52.1% ± 3.9* |
Hemolytic activity in untreated MRSA culture supernatant was set as 100%; values represent means ± SD (n = 3). *indicates P < 0.05 and **indicates P < 0.01 compared to the corresponding controls.