Artemisia princeps Inhibits Biofilm Formation and Virulence-Factor Expression of Antibiotic-Resistant Bacteria

Table 2

Effect of ethanol extract of A. princeps on acid production by MRSA.

Conc. (mg/mL)	pH (before incubation)	pH (after incubation)
Control	7.20 ± 0.00	5.87 ± 0.00
1	7.20 ± 0.00	6.12 ± 0.04^*
2	7.20 ± 0.00	6.65 ± 0.02^*
4	7.20 ± 0.00	6.79 ± 0.00^*
8	7.20 ± 0.00	7.10 ± 0.00^*
0.1% NaF	7.20 ± 0.00	7.07 ± 0.05^*

Date (pH) are represented as mean ± standard deviation.
when compared with the control group after incubation.