Table 3.
Interactions of plant extracts and oxacillin in effect on methicillin-resistant S. epidermidis Sep6.
| Plant extract | FIC A | FIC B | FIC | Interpretation |
|---|---|---|---|---|
| Salvia fruticosa | 0.03 | 0.17 | 0.20 | Synergistic |
| Salvia officinalis | 0.05 | 0.09 | 0.14 | Synergistic |
| Salvia sclarea | 0.06 | 0.09 | 0.15 | Synergistic |
| Anthemis tinctoria | 0.12 | 0.47 | 0.59 | Additive |
| Chamaemelum nobile | 0.13 | 0.41 | 0.54 | Additive |
| Matricaria recutita | 0.06 | 0.12 | 0.18 | Synergistic |
| Tanacetum argyrophyllum | 0.26 | 0.53 | 0.79 | Additive |
| Tanacetum parthenicum | 0.24 | 0.51 | 0.75 | Additive |
FIC A = MIC of substance A tested in combination/MIC of substance A tested alone, FIC B = MIC of substance B tested in combination/MIC of substance B tested alone. FIC = FIC A + FIC B. A—oxacillin, B—plant extract.