Influence of Gallic Acid and Thai Culinary Essential Oils on Antibacterial Activity of Nisin against Streptococcus mutans

Figure 2

Time-kill curves of S. mutans ATCC 25175 after treatment with KLL oil (a), LG oil (b), GA (c), chlorhexidine (d), and the combination of nisin and GA (e). Each symbol indicates the mean ± SD of triplicate samples.

(a)

(b)

(c)

(d)

(e)