Table 4. Antimicrobial Activity of ME by Disc Diffusion Assaya.
| mean
inhibition zone (mm) ± SD and
% inhibition | |||||
|---|---|---|---|---|---|
| concentration(mg/mL) | |||||
| bacteria | +ve control | 50 (% RI) | 100 (% RI) | 200 (% RI) | 400 (% RI) |
| P. aeruginosa | 12.6 ± 0.33 | 8.0 ± 1.00 (63.5%) | 8.5 ± 1.33 (67.46%) | 9.3 ± 0.50 (74.05%) | 12.8 ± 0.33 (100.6%) |
| E. coli | 17.0 ± 0.57 | 6.6 ± 0.33 (39.2%) | 7.3 ± 0.33 (43.12%) | 7.3 ± 0.33 (43.12%) | 8.3 ± 0.33 (49%) |
| A. baumannii | 9.4 ± 0.56 | 7.3 ± 0.33 (77.4%) | 10.3 ± 0.66 (106.3%) | 10.7 ± 0.57 (111.93%) | 12.3 ± 0.33 (130.20%) |
| S. aureus | 19.3 ± 0.66 | 6.6 ± 0.33 (32.72%) | 9.0 ± 0.57 (43.10%) | 13.3 ± 0.88 (60.40%) | 18.6 ± 1.20 (87.75%) |
| S. pyogenes | 21.6 ± 1.20 | 8.3 ± 0.88 (38.4%) | 10.6 ± 0.88 (49.24%) | 13.6 ± 2.40 (63.08%) | 14.6 ± 2.33 (67.7%) |
| E. faecalis | 19.0 ± 0.57 | 7.6 ± 0.33 (40.3%) | 8.6 ± 0.66 (45.63%) | 10.0 ± 1.15 (52.63%) | 12.0 ± 1.15 (63.16%) |
| C. albicans | 25.3 ± 0.33 | 8.7 ± 0.33 (34.2%) | 10.3 ± 0.33 (40.78%) | 12.3 ± 0.33 (48.68%) | 15.0 ± 0.57 (59%) |
a
% RI, % relative inhibition; + ve control, positive control.