Research Article
Synergistic Effect between Usnic Acid and Polymyxin B against Resistant Clinical Isolates of Pseudomonas aeruginosa
Table 2
Antimicrobial activity of usnic acid against clinical isolates of Acinetobacter baumannii and Pseudomonas aeruginosa.
| Clinical isolates | Identification of the bacteria | MIC of usnic acid (μg/mL) |
| A15 | Acinetobacter spp. | >500 | A25 | Acinetobacter spp. | >500 | A71 | Acinetobacter spp. | >500 | A72 | Acinetobacter spp. | >500 | A76 | Acinetobacter spp. | >500 | PA05 | Pseudomonas aeruginosa | 500 | PA07 | Pseudomonas aeruginosa | 500 | PA18 | Pseudomonas aeruginosa | 500 | PA19 | Pseudomonas aeruginosa | 500 | PA46 | Pseudomonas aeruginosa | 250 | PA56 | Pseudomonas aeruginosa | 250 | PA57 | Pseudomonas aeruginosa | 500 | PA78 | Pseudomonas aeruginosa | 500 | PA82 | Pseudomonas aeruginosa | 250 |
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MIC: minimum inhibitory concentration.
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