Table 3.
Antibacterial effect of M. spicata essential oil by agar disk diffusion assay.
| Bacteria | Inhibition zone (mm) | |
|---|---|---|
| Essential oil | Tetracycline | |
| S. aureus (ATCC 6538) | 10 | 26 |
| S. aureus (ATCC 25923) | 8 | 24 |
| B. subtilis (ATCC 6633) | 18 | 7 |
| B. cereus (ATCC 11774) | 14 | 34 |
| L. monocytogenes (ATCC 19118) | 22 | 23 |
| S. typhimurium (ATCC 14028) | 10 | 30 |
| E. coli O157:H7 (ATCC 10536) | 12 | 26 |
| E. coli (ATCC 25922) | 10 | 25 |