Table 6 Antibacterial activity of 1, 2 and 3 against Gram (+) and Gram (−) bacteria strains
Bacteria strains | Inhibition zone diameter (mm) | |||
|---|---|---|---|---|
1 | 2 | 3 | Ampicillin | |
Gram + | ||||
S. aureus | 11 ± 0.5 | nd | nd | 40 ± 0.5 |
E. faecalis | 13 ± 0.5 | 13 ± 0.5 | nd | 26 ± 0.5 |
Listeria | 15 ± 0.5 | nd | 13 ± 0.5 | 33 ± 0.5 |
B. thuringiensis | nd | nd | nd | 36 ± 0.5 |
M. l | nd | nd | nd | 20 ± 0.5 |
Gram − | ||||
K. pneumoniae | 24 ± 0.5 | nd | 11 ± 0.5 | 24 ± 0.5 |
P. aeruginosa | 13 ± 0.5 | 11 ± 0.5 | nd | 23 ± 0.5 |
S. Typhimirium | 20 ± 0.5 | 12 ± 0.5 | nd | 15 ± 0.5 |