Table 2.
Antimicrobial activity of sub-fractions of leaves of E. serrata against different bacterial pathogens in terms of ZOI (mm).
| Sr.No. | Bacterial stains Gram +/− |
n-Hexane sub-fraction | Chloroform sub-fraction | Ethyl acetate sub-fraction | n-Butanol sub-fraction | Aqueous residue | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concentrations (mg/mL) |
Concentrations (mg/mL) |
Concentrations (mg/mL) |
Concentrations (mg/mL) |
Concentrations (mg/mL) |
||||||||
| 40 | 20 | 40 | 20 | 40 | 20 | 40 | 20 | 40 | 20 | |||
| ZI (mm) | ZI (mm) | ZI (mm) | ZI (mm) | ZI (mm) | ZI (mm) | ZI (mm) | ZI (mm) | ZI (mm) | ZI (mm) | |||
| 1 | Staphylococcus epidermidis | + | 13.5 ± 0.7 | 12.0 ± 0.00 | 14.0 ± 0.00 | 13.5 ± 0.70 | 10.5 ± 0.70 | 0.00 ± 0.00 | 20.0 ± 1.41 | 18.5 ± 0.70 | 00.0 ± 0.000 | 00.0 ± 0.00 |
| 2 | Staphylococcus aureus KSR1 | + | 18.5 ± 0.70 | 15.0 ± 0.00 | 17.5 ± 0.70 | 16.0 ± 0.00 | 23.5 ± 0.70 | 22.0 ± 0.00 | 18.5 ± 2.12 | 17.5 ± 2.12 | 20.0 ± 1.414 | 19.0 ± 0.00 |
| 3 | Pseudomonas aeruginosaKSR125 | + | 16.0 ± 1.41 | 14.5 ± 0.70 | 17.5 ± 2.12 | 14.5 ± 0.70 | 14.0 ± 1.41 | 13.0 ± 1.41 | 14.5 ± 0.70 | 13.5 ± 0.70 | 14.0 ± 1.414 | 13.5 ± 0.70 |
| 4 | Bacillus sp. | + | 12.5 ± 0.70 | 10.0 ± 0.00 | 14.5 ± 0.70 | 13.5 ± 0.70 | 15.0 ± 1.21 | 12.0 ± 0.00 | 14.0 ± 1.21 | 12.0 ± 0.0 | 14.5 ± 0.707 | 12.0 ± 0.000 |
| 5 | Bacillus subtilis | + | 12.5 ± 0.70 | 10.0 ± 0.00 | 16.0 ± 1.41 | 13.0 ± 0.00 | 19.5 ± 0.70 | 18.5 ± 0.70 | 20.0 ± 1.41 | 18.5 ± 0.70 | 22.0 ± 1.414 | 20.5 ± 0.70 |
| 6 | Enterococcus sp. | + | 14.5 ± 0.70 | 13.0 ± 0.00 | 14.0 ± 0.00 | 12.5 ± 0.70 | 18.0 ± 1.41 | 16.5 ± 2.12 | 18.0 ± 1.41 | 16.5 ± 2.12 | 18.5 ± 2.121 | 17.5 ± 2.12 |
| 7 | Achromobacter xylosoxidans | − | 12.5 ± 0.70 | 10.0 ± 0.00 | 17.5 ± 0.70 | 16.0 ± 1.41 | 14.0 ± 1.41 | 12.5 ± 0.70 | 17.0 ± 1.41 | 15.0 ± 0.00 | 13.5 ± 0.707 | 13.0 ± 0.00 |
| 8 | Stenotrophomonas maltophilia | − | 19.5 ± 0.70 | 17.5 ± 0.70 | 16.0 ± 0.00 | 15.0 ± 0.00 | 13.5 ± 0.70 | 11.0 ± 0.00 | 15.5 ± 0.70 | 14.0 ± 1.41 | 00.0 ± 0.00 | 00.0 ± 0.00 |
| 9 | Klebsiella pneumonia | − | 12.0 ± 0.00 | 10.0 ± 0.00 | 13.0 ± 1.41 | 12.5 ± 0.70 | 15.5 ± 0.70 | 12.5 ± 0.70 | 13.0 ± 0.00 | 12.0 ± 1.41 | 12.0 ± 0.000 | 9.0 ± 0.000 |
| 10 | Salmonella typhi KSR2347 | − | 17.5 ± 0.70 | 14.0 ± 0.00 | 14.0 ± 0.00 | 13.5 ± 0.70 | 16.0 ± 0.00 | 14.5 ± 0.70 | 16.0 ± 0.00 | 14.5 ± 0.70 | 13.0 ± 1.141 | 12.5 ± 0.70 |
| 11 | Escherichia coli KSR2345 | − | 15.5 ± 0.70 | 12.5 ± 0.70 | 15.0 ± 0.00 | 13.5 ± 0.70 | 28.5 ± 0.70 | 27.0 ± 1.41 | 28.5 ± 0.70 | 27.0 ± 1.41 | 00.0 ± 0.000 | 00.0 ± 0.00 |
| 12 | Azospirillum lipoferum | − | 16.0 ± 0.00 | 13.0 ± 0.00 | 14.5 ± 0.00 | 12.5 ± 0.00 | 26.0 ± 0.00 | 19.0 ± 1.41 | 26.0 ± 0.00 | 19.0 ± 1.41 | 12.0 ± 0.000 | 10.0 ± 1.41 |