Table 5 Colony-forming unit (CFU) enumeration that demonstrates bactericidal efficiency.

From: Integrated experimental and computational evaluation of Anagallis foemina derived terpenoids against carbapenem resistant Acinetobacter baumannii

Bacterial strain

CFU at MIC (1.25 mg/mL)

CFU at 2× MIC (2.5 mg/mL)

Bacterial killing rate (%)

MBC/MIC ratio

Ab-1

5.00 ± 0.58

1.33 ± 0.29

73.4

2

Ab-2

3.33 ± 0.38

1.33 ± 0.29

60.1

2

Ab-3

3.00 ± 0.35

1.00 ± 0.00

66.7

2

Mean ± SD

3.78 ± 1.15

1.22 ± 0.19

66.7 ± 6.7

2

  1. Paired t-test was used between viable bacteria at MIC (1.25 mg/mL) and 2X MIC (2.5 mg/mL, maximum bactericidal concentration of the drug). An MBC/MIC ratio of 2 indicated a bactericidal effect, whereas a ratio > 4 suggested a bacteriostatic effect.
Back to article page