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Minimum bactericidal concentration of the test extracts
| Concentration (mg ml−1) | ||||||
| Organisms | 10.0 | 5.0 | 2.5 | 1.25 | 0.125 | 0.625 |
| Escherichia coli | π | ππ, πππ | ||||
| Klebsiella spp. | ππ | π, πππ | ||||
| Salmonella typhi | π, ππ, πππ | |||||
| Streptococcus species | π, ππ, πππ | |||||
| Staphylococcus aureus | π, ππ | πππ | ||||
| Pseudomonas aeruginosa | π, ππ | π, πππ | ||||
Key: π = crude methanol extract, ππ = n-butanol portion, πππ = residual aqueous portion.
