Table 4 Bactericidal activity of the essential oil of Myrrh (5% v/v) against four multidrug resistant clinical isolates
Isolate code (source) | Contact time (h) | Viable count (CFU/ml)* | Bactericidal activity (% killing) |
|---|---|---|---|
S. aureus (MRSA) S4 (sputum) | 0.0 | 6.00 × 107 | – |
0.5 | 3.50 × 107 | 41.67 | |
2.0 | 2.55 × 106 | 95.75 | |
E. coli, Eg (urine) | 0.0 | 5.00 × 107 | – |
0.5 | 3.50 × 107 | 30.00 | |
2.0 | 1.40 × 106 | 97.20 | |
Ps. aeruginosa, P2 (wound) | 0.0 | 1.15 × 108 | – |
0.5 | 4.85 × 107 | 57.83 | |
2.0 | 4.70 × 105 | 99.59 | |
K. pneumonia, KCl (sputum) | 0.0 | 8.05 × 107 | – |
0.5 | 3.90 × 107 | 51.55 | |
2.0 | 3.70 × 107 | 54.04 |