Table 2.
Mean Inhibitory and bactericidal activity (% v/v) of whole lemongrass EO and citral against A. baumannii and S.aureus isolates. Each experiment was repeated in triplicate on three separate occasions
| Microorganisms | Lemongrass EO (C. flexuosus) | Citral | ||
|---|---|---|---|---|
| A. baumannii sp. | MIC | MBC | MIC | MBC |
| NCTC 12156 | 0.5 | 0.5 | 0.25 | 0.5 |
| ATCC 17978 | 0.25 | 1 | 0.13 | 0.25 |
| SM 37212 | 1 | 1 | 0.13 | 0.25 |
| ATCC 1709 | 0.5 | 1 | 0.06 | 0.25 |
| ATCC 1710 | 1 | 2 | 0.13 | 0.25 |
| Mean | 0.65 | 1.1 | 0.14 | 0.3 |
| S. aureus sp.a | ||||
| HA-MSSA isolate | 0.06 | 0.13 | 0.02 | 0.06 |
| CA-MSSA (PVL + ve) | 0.06 | 0.13 | 0.03 | 0.06 |
| MSSA NCTC 13297 | 0.06 | 0.13 | 0.03 | 0.06 |
| MRSA MW2 | 0.06 | 0.13 | 0.03 | 0.06 |
| CA-MRSA (PVL + ve) | 0.06 | 0.13 | 0.03 | 0.06 |
| Mean | 0.06 | 0.13 | 0.028 | 0.06 |
aData for S .aureus from Adukwu (2013)