Table 1.
Mean minimum inhibitory concentrations and fractional inhibitory concentrations for theaflavin (TF) and epicatechin (EC) alone and in combination versus Acinetobacter baumannii isolates used
| Isolates | Description | MIC (mg/L) | MIC in combination (mg/L) | FICI | ||
|---|---|---|---|---|---|---|
| TF | EC | TF | EC | |||
| A. baumannii NCTC 19606 | Type strain | 512 | 2048 | 64 | 32 | 0.14 |
| A. baumannii AB12 | Clinical isolate of PFGE-defined UK lineage: ‘South East clone’ | 512 | 2048 | 16 | 16 | 0.04 |
| A. baumannii AB16 | Clinical isolate of PFGE-defined UK lineage: ‘OXA-23 clone 2’ | 256 | 1024 | 64 | 128 | 0.38 |
| A. baumannii AB184 | Clinical isolate of PFGE-defined UK lineage: ‘T’ | 256 | 1024 | 64 | 256 | 0.50 |
| A. baumannii AB186 | Clinical isolate of PFGE-defined UK lineage: ‘Burn’ | 512 | 2048 | 16 | 512 | 0.28 |
| A. baumannii AB210 | Clinical isolate of PFGE-defined UK lineage: ‘OXA-23 clone 1’ | 512 | 2048 | 32 | 16 | 0.07 |
| A. baumannii AB211 | Clinical isolate of PFGE-defined UK lineage: ‘OXA-23 clone 1’ | 256 | 1024 | 64 | 256 | 0.50 |