coli (from 256 to 2 mg/L, fractional inhibitory concentration index (FICI)≤0.02) and by a factor of at least 64 in K. pneumoniae (from 1024 mg/L to 16 mg/L, FICI≤0.05). Synergy between PMBN and PBA enhanced ceftazidime activity 133 times in P. aeruginosa (from 16 mg/L to 0.12 mg/L, FICI≤0.03). As a consequence, MICs of all the antibiotics teste…[Read more]