Table 1 The checkerboard method representing the effect of antimicrobials against P. aeruginosa MMA83.
Antimicrobials | Pseudomonas aeruginosa MMA83 | ||||
|---|---|---|---|---|---|
MIC of each antimicrobial (mg/ml) | FIC | ∑FIC | Outcome | ||
Alone | Combination | ||||
QSI extract | 20 | 1.25 | 0.0625 | 0.125 | synergistic |
Meropenem | 0.512 | 0.032 | 0.0625 | ||
DMSO | 145.45 | 145.45 | 1 | 3 | indifferent |
Meropenem | 0.512 | 1.024 | 2 | ||
QSI extract | 20 | 0.625 | 0.03125 | 0.047 | synergistic |
Gentamycin | 4.096 | 0.064 | 0.0156 | ||
DMSO | 145.45 | 145.45 | 1 | 2 | indifferent |
Gentamycin | 4.096 | 4.096 | 1 | ||
