Table 3.
MIC (μg/mL) for antibacterial activity of P. wightianus against some pathogens.
| Organisms | Methanol | Acetone | Ethyl acetate | Chloroform | Hexane | Ciprofloxacin |
|---|---|---|---|---|---|---|
|
Bacillus subtilis
(MTCC 441) |
>1000a | >1000a | >1000a | >1000a | >1000a | 3.9b |
|
| ||||||
|
Escherichia coli
(MTCC 739) |
>1000a | >1000a | >1000a | >1000a | >1000a | 15.62b |
|
| ||||||
|
Klebsiella pneumoniae
(MTCC 109) |
500b | >1000a | >1000a | >1000a | >1000a | 7.81c |
|
| ||||||
|
Proteus vulgaris
(MTCC 426) |
>1000a | >1000a | >1000a | >1000a | >1000a | 15.62b |
|
| ||||||
|
Pseudomonas aeruginosa
(MTCC 741) |
250c | 250c | 500b | >1000a | >1000a | 31.25d |
|
| ||||||
|
Salmonella typhimurium
(MTCC 98) |
500 | >1000a | >1000a | >1000a | >1000a | 15.62 |
|
| ||||||
|
Shigella flexneri
(MTCC 1457) |
125d | 250c | 500b | >1000a | >1000a | 31.25e |
|
| ||||||
|
Streptococcus pneumoniae
(MTCC 655) |
15.62d | 31.25c | 250b | >1000a | >1000a | 3.9e |
|
| ||||||
|
Staphylococcus epidermidis
(MTCC 435) |
31.25d | 62.5c | 500b | >1000a | >1000a | 3.9c |
The values are mean of triplicates. Different superscript letters (a–e) in rows indicate significant differences (at P < 0.05) when subject to Tukey's multiple comparison test.