Table 14.
Effect of UV on Lactobacillus helveticus (BLh) bacteriocin against Gram-negative bacteria.
| Gram-negative bacterial strains | Zone of inhibition (mm) vs. time variations (minute) | P value from Pearson's correlation b/w time variations and activity (P value = 0.05 (two-tailed)) | R squared (r2) | |||||
|---|---|---|---|---|---|---|---|---|
| 15 min | 30 min | 45 min | 60 min | 75 min | ||||
| BLh bacteriocin | K. pneumoniae | 6.75 | 5.42 | 5.71 | 5.92 | 6.62 | 0.916535 (not significant) | 0.0043 |
| P. aeruginosa | 5.02 | 4.50 | 4.27 | 3.84 | 5.26 | 0.94018 (not significant) | 0.0022 | |
| A. baumannii | 30.32 | 10.46 | 8.23 | 6.23 | 18.49 | 0.451567 (not significant) | 0.1997 | |
| S. paratyphi | 5.86 | 4.41 | 4.44 | 4.27 | 5.48 | 0.833179 (not significant) | 0.0173 | |
| E. coli | 16.02 | 15.42 | 15.33 | 14.66 | 14.44 | 0.003904 (significant) | 0.9579 | |