Table 3.
The antibacterial activity of extracted plantaricin (EX-PL) and plantaricin-incorporated silver nanoparticles (PL-SNPs) expressed as diameter of inhibition zones (mm)
| Indicator strains | Extracted plantaricin | Plantaricin-incorporated silver nanoparticles |
|---|---|---|
| L. monocytogenes ATCC 7644 | 0.0 ± 0.0 | 14.5a ± 0.0 |
| P. mirabilis ATCC 7002 | 10.5a ± 0.4 | 6.5 ± 0.3c |
| E. coli ATCC 25922 | 15.0c ± 0.3 | 19.0a ± 3.0 |
| S. aureus ATCC 29213 | 11.5c ± 0.0 | 15.6a ± 0.3 |
| Ps. aeruginosa ATCC 27853 | 11.5c ± 0.1 | 14.0a ± 0.1 |
| Salm. Paratyphi B ATCC 10719 | 12.6b ± 0.4 | 14.5a ± 0.3 |
| Strep. faecalis ATCC 8043 | 12.0c ± 0.2 | 15.0a ± 0.3 |
| B. cereus ATCC 33018 | 8.5d ± 0.3 | 14.5a ± 0.5 |
Different letters (a, b, c) in the same raw are significantly different (p < 0.5)