Table 2.
Antimicrobial activity of extracts obtained from various parts of P. macrocarpa fruit.
| Microorganisms | Inhibition zone (cm)* |
||||
|---|---|---|---|---|---|
| Pericarp | Mesocarp | Seed | Kanamycin (1 μg/disc) | Amphotericin B (25 μg/well) | |
| Gram-Positive Bacteria | |||||
| B. cereus | 1.73 | 1.53 | 1.40 | 1.63 | - |
| B. subtilis | 2.33 | 2.00 | 1.83 | 1.33 | - |
| M. luteus | 1.57 | 1.47 | 1.37 | 1.35 | - |
| S. aureus | 1.53 | 1.73 | 1.40 | 1.35 | - |
| Average | 1.79 | 1.68 | 1.50 | 1.42 | - |
| Gram-Negative Bacteria | |||||
| E. aerogenes | 1.50 | 1.30 | 1.20 | 1.55 | - |
| E. coli | 2.17 | 1.47 | 1.47 | 1.73 | - |
| K. pnuomoniae | 1.23 | 1.10 | 0.97 | 1.5 | - |
| P. aeruginosa | 1.40 | 1.17 | 0.93 | 1 | - |
| Average | 1.56 | 1.26 | 1.14 | 1.45 | - |
| Fungi | |||||
| A. nige | 0 | 0 | 1.87 | - | 2.70 |
| F. oxysporum | 0 | 0 | 0 | - | 1.80 |
| G. lucidum | 0 | 0 | 0 | - | 0.40 |
| M. indicus | 0 | 0 | 0 | - | 1.20 |
| 0 | 0 | 0.47 | - | 1.53 ± 0.97 | |
*
Inhibition zone in diameter (cm); 0: no inhibition; analyses were done in triplicate.