From: Isolation of antibacterial compounds from Quercus dilatata L. through bioassay guided fractionation
Partitioned fractions | Zone of inhibition (mm) | |||||
---|---|---|---|---|---|---|
E. coli | S. aurs | B. sub | M. leu | B. bron | S. set | |
(A) Q. dilatata | 9.3l ±0.333 | 9.7kl ± 0.33 | 9.7kl ±0.33 | 10.2jkl ±0.34 | 11.2ghij ±0.17 | 9.3l ±0.33 |
Hexane | - | - | - | - | - | - |
Ethyl acetate | 11.5fghi ±0.28 | 11.2ghij ±0.2 | 10.7hijk ±0.3 | 9.7kl ±0.3 | 10.7hijk ±0.3 | 10kl ±0.5 |
Chloroform | - | - | - | - | - | - |
Acetone | 12.5ef ±0.3 | 13.9d ±0.1 | 13.5de ±0.28 | 14d ±0.5 | 13.7d ±0.8 | 12.3f ±0.3 |
Ethanol | 16ab ±0.6 | 16.17ab ±0.17 | 14.3cd ±0.7 | 15.2bc ±0.6 | 16.17ab ±0.6 | 16.7a ±0.3 |
50% methanol | 10.5ijk ±0.3 | 11.5fghi ±0.28 | 11.7fghi ±0.2 | 11.5fghi ±0.3 | 12.5ef ±0.5 | 12fg ±0.28 |
R | 13.5±0.3 | 25.4±0.3 | 11.2±0.4 | 10.8±0.4 | 31.5±0.8 | 10.5±0.3 |
C | 32.8±0.4 | 35.9±0.6 | 31.8±0.2 | 29.6±0.4 | 18.17± 0.4 | 29.5±0.5 |
E. coli:- | Escherichia coli | B. sub:- | Bacillus subtillus | B. bron:- | Bordetella bronchiseptica | |
S. aur:- | Staphylococcus aureus | M. leu:- | Micrococcus luteus | S. set:- | Salmonella setuball | |
C | Cefixime | R | Roxithromycin | Conc | Concentrations |