Table 3 MIC of the most active compounds by agar diffusion methods.
Compounds | Concentration | Antibacterial activities (mm) | ||||
|---|---|---|---|---|---|---|
E. coli ATCC25915 | S. aureus ATCC25923 | E. faecalis ATCC29212 | P. aeruginosa ATCC10145 | S. mutans ATCC 25,175 | ||
7 | 2.0 mg/mL | (+) 10.8 ± 0.13 | (+) 11.5 ± 0.05 | (+) 8.5 ± 0.43 | (+) 12.5 ± 0.07 | (+) 16.5 ± 0.43 |
1.0 mg/mL | (–) | (+) 4.5 ± 0.00 | (–) | (+) 5.20 ± 0.01 | (+) 5.0 ± 0.03 | |
0.5 mg/mL | (–) | (–) | (–) | (–) | (–) | |
9 | 2.0 mg/mL | (+) 8.0 ± 0.11 | (+) 12.10 ± 0.00 | (+) 9.1 ± 0.40 | (+) 14.0 ± 0.00 | (+) 10.01 ± 0.11 |
1.0 mg/mL | (–) | (+) 6.00 ± 0.05 | (–) | (+) 7.10 ± 0.05 | (–) | |
0.5 mg/mL | (–) | (–) | (–) | (–) | (–) | |
11 | 2.0 mg/mL | (+) 9.5 ± 0.0 | (+) 14.60 ± 0.00 | (+) 6.5 ± 0.40 | (+) 10.0 ± 0.00 | (+) 12.01 ± 0.11 |
1.0 mg/mL | (–) | (+) 8.0 ± 0.15 | (–) | (–) | (–) | |
0.5 mg/mL | (–) | (–) | (–) | (–) | (–) | |
12 | 2.0 mg/mL | (+) 6.5 ± 0.0 | (+) 13.20 ± 0.00 | (+) 10.3 ± 0.40 | (+) 10.0 ± 0.00 | (+) 8.00 ± 0.11 |
1.0 mg/mL | (–) | (+) 5.10 ± 0.00 | (–) | (–) | (–) | |
0.5 mg/mL | (–) | (–) | (–) | (–) | (–) | |
15 | 2.0 mg/mL | (+) 7.0 ± 0.05 | (+) 10.50 ± 0.00 | (+) 11.2 ± 0.30 | (+) 12.1 ± 0.00 | (+) 11.00 ± 0.11 |
1.0 mg/mL | (+) 3.50 ± 0.00 | (+) 4.80 ± 0.00 | (+) 6.70 ± 0.00 | (+) 4.50 ± 0.00 | ||
0.5 mg/mL | (–) | (–) | (–) | (–) | (–) | |
