Research Article
The Effect of Active Chitosan Films Containing Bacterial Cellulose Nanofiber and ZnO Nanoparticles on the Shelf Life of Loaf Bread
Table 1
Physical properties of the films.
| Films | Opacity (nm/mm) | Light transmission (%) | Thickness (mm) | WVP (g·m−1·d−1·pa−1) | 280 nm | 600 nm | 800 nm |
| CH | 1.54 ± 0.07d | 7.68 ± 0.30a | 69.74 ± 1.16a | 78.83 ± 1.71a | 0.079 ± 0.005a | 2.94 ± 0.03a | CH-BCNF | 1.70 ± 0.06d | 6.91 ± 0.32ab | 67.42 ± 0.96ab | 77.30 ± 1.71ab | 0.058 ± 0.007b | 1.94 ± 0.13b | CH-BCNF-ZnO NPCs 0.5% | 2.02 ± 0.06c | 6.11 ± 0.29bc | 65.47 ± 0.73bc | 75.24 ± 1.08bc | 0.049 ± 0.007c | 1.74 ± 0.14b | CH-BCNF-ZnO NPCs 1% | 2.31 ± 0.10b | 5.44 ± 0.32cd | 63.70 ± 0.88cd | 73.27 ± 0.86cd | 0.031 ± 0.002d | 1.06 ± 0.01c | CH-BCNF-ZnO NPCs 2% | 2.80 ± 0.09a | 4.78 ± 0.46d | 61.63 ± 1.11d | 71.30 ± 1.10d | 0.022 ± 0.003e | 0.77 ± 0.18d |
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The different letters in each column are significantly different . |