Table 3 Antimicrobial activity determined as zone of inhibition (mm ± SD) and minimum inhibitory concentration (μg/ml) of selected plant extracts against selected microbial strains
From: Evaluation of biological potential of selected species of family Poaceae from Bahawalpur, Pakistan
Plant extracts | Â | DiAEE | DiAAE | ElIEE | ElIAE | PoAEE | PoAAE | DaAEE | DaAAE | SaSEE | SaSAE | VeZEE | VeZAE | ImCEE | ImCAE | Control |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E. coli | ZOI | NI | NI | 7 ± 0.5 | NI | NI | NI | 7 ± 0.5 | 5 ± 4.1 | NI | 4 ± 3.4 | 4 ± 3.4 | NI | 7 ± 0.5 | 5 ± 4.1 | 28 ± 2.0 |
|  | MIC | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
S. aureus | ZOI | 8 ± 0.5 | NI | 8 ± 0.5 | NI | NI | 8 ± 0.5 | 8 ± 1.1 | NI | NI | NI | NI | NI | NI | NI | 33 ± 1.1 |
|  | MIC | 75 | – | 75 | – | – | 75 | 75 | – | – | – | – | – | – | – | – |
L. monocyto-genes | ZOI | 7 ± 0.5 | 8 ± 1.0 | 8 ± 1.1 | 8 ± 0.5 | NI | NI | 7 ± 1.1 | 8 ± 1.0 | NI | 5 ± 4.0 | 8 ± 1.5 | 5 ± 4.3 | 8 ± 2.3 | 8 ± 0.5 | 31 ± 1.5 |
MIC | – | 75 | 75 | 75 | – | – | – | 75 | – | – | 75 | – | 75 | 75 | – | |
B. spizizenii | ZOI | 8 ± 0.5 | NI | 9 ± 2.8 | 4 ± 3.4 | 8 ± 0.5 | 8 ± 2.6 | 8 ± 1.5 | 8 ± 1.1 | 6 ± 0.5 | 5 ± 5.0 | 8 ± 2.3 | 8 ± 0.5 | 8 ± 1.1 | 7 ± 1.1 | 28 ± 4.0 |
MIC | 75 | – | 50 | – | 75 | 75 | 75 | 75 | – | – | 75 | 75 | 75 | – | – | |
S. typhi | ZOI | 4 ± 3.7 | 5 ± 4.0 | 7 ± 1.1 | 4 ± 3.7 | NI | NI | 4 ± 3.78 | 7 ± 1.0 | NI | NI | NI | NI | NI | 6 ± 0.5 | 27 ± 2.3 |
MIC | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
W. anomalus | ZOI | 7 ± 0.5 | 7 ± 1.0 | 7 ± 1.0 | 8 ± 2.0 | NI | 7 ± 1.0 | 7 ± 1.5 | 7 ± 1.0 | 7 ± 1.0 | 7 ± 1.5 | 7 ± 1.5 | 7 ± 1.0 | 7 ± 1.0 | 7 ± 1.0 | 30 ± 2.6 |
MIC | – | – | – | 75 | – | – | – | – | – | – | – | – | – | – | – | |
F.oxysporum | ZOI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | 32 ± 1.8 |
MIC | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
Mucor | ZOI | 8 ± 1.1 | 4 ± 3.7 | 8 ± 1.0 | 7 ± 1.1 | 8 ± 1.5 | NI | 10 ± 2.0 | 7 ± 1.0 | 9 ± 2.5 | 5 ± 4.1 | 4 ± 3.7 | 7 ± 1.5 | 9 ± 3.0 | 9 ± 1.5 | 31 ± 1.0 |
MIC | 75 | – | – | – | – | – | 50 | – | 75 | – | – | – | 75 | 75 | – | |
A. flavus | ZOI | 8 ± 1.1 | 7 ± 1.1 | 7 ± 0.5 | 4 ± 3.4 | 4 ± 3.4 | 7 ± 1.1 | 8 ± 1.52 | 8 ± 2.0 | 9 ± 2.5 | 5 ± 4.1 | 8 ± 1.5 | 7 ± 1.5 | 10 ± 1.7 | 5 ± 4.0 | 28 ± 2.0 |
MIC | 75 | – | – | – | – | – | 75 | 75 | 75 | – | 75 | – | 50 | – | – | |
A. niger | ZOI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | NI | 33 ± 1.8 |
MIC | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |
S. cerevisiae | ZOI | 11 ± 3.0 | 7 ± 1.0 | NI | NI | NI | NI | 12 ± 5.1 | 11 ± 3.7 | 9 ± 1.7 | 9 ± 1.5 | 11 ± 3.5 | 11 ± 4.9 | 12 ± 4.0 | 11 ± 4.9 | 30 ± 2.0 |
MIC | – | – | – | – | – | – | 50 | 50 | 75 | 75 | 50 | 50 | 50 | 50 | – |