An Evaluation of the Antibacterial Properties of Tormentic Acid Congener and Extracts From Callistemon viminalis on Selected ESKAPE Pathogens and Effects on Biofilm Formation

Figure 2

Time-kill curves of P aeruginosa cells after exposure to tormentic acid congener (a) and ciprofloxacin (b). Cells were standardised to 1 × 106 cfu/ml. They were incubated with the compounds at 2-fold increasing concentrations for 32 hours and incubated at 37°C.

(a)

(b)