TABLE 2.
Antimicrobial screening of Pleurotus ostreatus polar extract by the method of agar- well diffusion.
| Microbial cultures | Inhibition zone diameter (mm) |
|||
| P. ostreatus polar extract | Gentamicin (10 μg/disc) | Amphotericin B (100 units/disc) | ||
| Gram-positive bacteria | Staphylococcus aureus ATCC25923 | 20 ± 0.7# | 21 ± 0.2 | Nt |
| Micrococcus luteus ATCC 9341 | 12 ± 0.2* | 18 ± 0.1 | Nt | |
| Streptococcus pneumoniae ATCC49619 | – | 15 ± 0.5 | Nt | |
| Gram-negative bacteria | Escherichia coli ATCC25922 | 16 ± 0.5* | 25 ± 0.8 | Nt |
| Pseudomonas aeruginosa ATCC 7853 | – | 20 ± 0.6 | Nt | |
| Proteus mirabilis ATCC29906 | – | 10 ± 0.0 | Nt | |
| Pathogenic yeast | Candida albicans ATCC 20231 | 18 ± 0.1* | Nt | 22 ± 0.9 |
The results are presented in average ± standard deviations of three independent replicates.
*Indicates significance to standard antibiotics (P < 0.05).
#Significance between the same group.
“–” Denotes no inhibition.
“Nt” Indicates Not tested.