Table 3 Minimal Inhibitory Concentration (MIC) in μg/mL of methanol extracts from the studied plants and chloramphenicol
Bacteria strains | Plant extracts and MICs (μg/mL) | ||||
|---|---|---|---|---|---|
Piper nigrum | Syzygium aromaticum | Telfairia occidentalis | Vernonia amygdalina | Chloramphenicol | |
E. coli | |||||
ATCC8739 | 128 | 1024 | 512 | 512 | 4 |
ATCC10536 | 256 | - | 512 | 512 | 4 |
W3110 | 256 | 512 | 256 | 512 | 8 |
MC4100 | 256 | 1024 | 512 | 512 | 16 |
AG100A | 128 (64) | - | 512 (512) | 512 (512) | < 2 (< 2) |
AG100Atet | 256 (256) | - | 512 (512) | 1024 (1024) | 64 (< 2) |
AG102 | 512 (128) | - | 1024 (1024) | 256 (256) | 64 |
AG100 | 256 (32) | - | 512 (512) | 512 (32) | 8 (< 2) |
E. aerogenes | |||||
ATCC13048 | 512 | 1024 | 512 | 512 | 8 |
EA294 | 512 | - | 512 | 1024 | 16 |
CM64 | 512 (256) | 1024 | 256 (64) | 256 (32) | 256 (8) |
EA3 | 512 (256) | - | 1024 (1024) | 512 (512) | 256 (128) |
EA298 | 256 (128) | - | 512 (512) | 256 (256) | 64 (< 2) |
EA27 | 512 (256) | - | - | 1024 (1024) | ≥ 256 (< 2) |
EA289 | 512 (256) | 1024 | 512 (256) | 256 (256) | ≥ 256 (64) |
K. pneumoniae | |||||
ATCC11296 | 256 | 1024 | 1024 | 512 | 8 |
KP55 | 256 (64) | - | 512 (512) | 512 (512) | 32 (4) |
KP63 | 1024 (256) | - | 256 (256) | 1024 (1024) | 64 (< 2) |
K2 | 512 | - | - | 1024 | 32 |
K24 | 512 | - | 512 | 512 | 16 |
P. aeruginosa | |||||
PA01 | 32 | - | 512 | 512 | 16 |
PA124 | 256 (128) | 512 | 512 (512) | 1024 (1024) | 32 (< 2) |
P. stuartii | |||||
ATCC29916 | 128 | - | 128 | 256 | 16 |
NAE16 | 512 | 1024 | 512 | 256 | 64 |
PS2636 | 256 | - | 512 | 512 | 32 |
PS299645 | 1024 (1024) | - | 1024 | 512 | 32 |
E. cloacae | - | ||||
BM47 | 128 | - | 512 | 1024 | ≥ 256 |
ECCI69 | 128 | - | 512 | 512 | ≥ 256 |
BM67 | 128 (32) | - | 512 (16) | 1024 (1024) | 128 (32) |