Table 2.
Effect of incubation time on the antibacterial activity of chitosan solution at 0.10 mg/ml against strain ZJ-C0701 of S. marcescens
| Incubation time (h) | Cell numbers (log10 CFU/ml) | |
|---|---|---|
| Control | Chitosan | |
| 0.0 | 7.53 ± 0.15a | 7.53 ± 0.15d |
| 0.5 | 7.35 ± 0.11a 6.33 ± 0.10c | 7.35 ± 0.11a 6.33 ± 0.10c |
| 1.0 | 7.20 ± 0.13a | 6.21 ± 0.09c |
| 2.0 | 7.22 ± 0.10a | 5.78 ± 0.10b |
| 4.0 | 7.27 ± 0.10a | 4.75 ± 0.09a |
a
The data were shown as means α standard error from a representative experiment repeated twice with similar results. All the means within a column followed by the same letter are not significantly different (P<0.05, Fisher’s LSD test). Each value represents the average of six replicates.