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Antibacterial activity (inhibitory zone) of clove essential oil (CEO) against Gram-positive and Gram-negative bacteria
| Bacteria | CEO (%) | Inhibitory zone*(mm2) |
|---|---|---|
| Staphylococcus aureus (Gram +) | 1 % | 15.5 ± 1.3b |
| 1.5 % | 23.43 ± 1.23a | |
| Listeria monocytogenes (Gram +) | 1 % | 18.21 ± 1.32a |
| 1.5 % | 27.32 ± 0.57b | |
| E coli 0157: H7 (Gram -) | 1 % | 12.3 ± 0.28a |
| 1.5 % | 19.5 ± 0.52b |
*For each microbial species, different letters in columns indicate a significative difference (p < 0.05)
