Table 2.
The minimum inhibitory concentration and fractional inhibitory concentration index of honokiol or magnolol in combination with terbinafine against T. rubrum ATCC 28188.
| Combination | MIC * in combination (mg/L) | FIC | FICI | Interpretation |
|---|---|---|---|---|
| Honokiol | 0.5 | 0.06 | 0.56 | Add |
| Terbinafine | 0.015 | 0.50 | ||
| Magnolol | 2 | 0.25 | 0.50 | Syn |
| Terbinafine | 0.007 | 0.25 |
Add—addition; FIC—fractional inhibitory concentration; FICI—fractional inhibitory concentration index; Syn—synergism. * MIC of tested agent in the most effective combination.