Table 13.
Anti-bacterial activity (Zone of Inhibition) of Anethum sowa L. root essential oil by diffusion method
| Test organisms | Zone of Inhibition in mm | |||||
|---|---|---|---|---|---|---|
| 400 μg/well | 600 μg/well | 800 μg/well | CP | TE | ||
| Gram-positive bacteria | Bacillus subtilis | nz | 4 | 7 | 27 | 24 |
| Bacillus cereus | 5 | 7 | 8 | 29 | 21 | |
| Staphylococcus aureus | nz | 3 | 7 | 25 | 26 | |
| Enterococcus faecalis | nz | nz | nz | 20 | 16 | |
| Gram -negative bacteria | Escherichia coli 12079 | nz | 4 | 7 | 25 | 9 |
| Escherichia coli 2799 | 11 | 13 | 16 | 23 | 11 | |
| Pseudomonas aeruginosa | 8 | 9 | 11 | 29 | 16 | |
| Salmonella enteritidis 1375 | nz | nz | 5 | 39 | 23 | |
| Salmonella typhi | nz | 5 | 9 | 35 | 25 | |
| Acetobacter aceti | nz | nz | 3 | 28 | 23 | |
CP Standard Ciprofloxacin (5 μg/disc), TE Standard Tetracycline (30 μg/disc)