Research Article

Phytochemistry and Preliminary Assessment of the Antibacterial Activity of Chloroform Extract of Amburana cearensis (Allemão) A.C. Sm. against Klebsiella pneumoniae Carbapenemase-Producing Strains

Table 2

Antibacterial activity of the chloroformextract of A. cearensis and the analogue 2-methoxy-4-methylphenol.

Bacterial species Chloroform extract 2-Methoxy-4-methylphenolCiprofloxacin
MIC*MBCMICMBCMICMBC
µg/ mL

Salmonella enterica Typhimurium215431 <6.7 <6.7
Escherichia coli 215 431 <6.7<6.7
Pseudomonas aeruginosa >6900431 >6900 <6.7<6.7
Bacillus cereus >6900431 3450 <6.7 107
Listeria monocytogenes 215 862 <6.7<6.7
Staphylococcus aureus 215 862 <6.7<6.7

MIC: minimum inhibitory concentration; MBC: minimum bactericidal concentration.