Table 6.
Antibacterial effects of the ethanol extract of Ophiorrhiza rugosa leaves.
| Bacterial Strain | Name of the Bacteria | Zone of Inhibition (mm) | |||
|---|---|---|---|---|---|
| Concentration (μg/disc) | Kanamycin (30 µg/disc) | ||||
| EEOR 500 | EEOR 800 | EEOR 1000 | |||
| Gram-positive | Staphylococcus aureus (ATCC 6538) | - | - | - | 29.30 ± 0.60 |
| Bacillus subtilis (ATCC 6633) | 7.33 ± 0.57 | 11.70 ± 0.75 | 14.80 ± 0.72 | 32.81 ± 0.67 | |
| Bacillus cereus (ATCC 14579) | - | - | - | 27.50 ± 0.58 | |
| Gram-negative | Salmonella typhi (ATCC 29629) | - | 7.33 ± 0.57 | 12.80 ± 0.34 | 28.218±0.81 |
| Salmonella paratyphi (ATCC 9150) | - | - | - | 30.51 ± 0.50 | |
| Escherichia coli (ATCC 8739) | 8.20 ± 0.72 | 11.26 ± 1.16 | 16.23 ± 0.68 | 31.20 ± 0.82 | |
| Pseudomonas aeruginosa (ATCC 9027) | - | - | - | 26.28 ± 0.36 | |
Values are presented as mean inhibition zone (mm) ± SD of three replicates; -: no activity.