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.

FilmsOpacity (nm/mm)Light transmission (%)Thickness (mm)WVP (g·m−1·d−1·pa−1)
280 nm600 nm800 nm

CH1.54 ± 0.07d7.68 ± 0.30a69.74 ± 1.16a78.83 ± 1.71a0.079 ± 0.005a2.94 ± 0.03a
CH-BCNF1.70 ± 0.06d6.91 ± 0.32ab67.42 ± 0.96ab77.30 ± 1.71ab0.058 ± 0.007b1.94 ± 0.13b
CH-BCNF-ZnO NPCs 0.5%2.02 ± 0.06c6.11 ± 0.29bc65.47 ± 0.73bc75.24 ± 1.08bc0.049 ± 0.007c1.74 ± 0.14b
CH-BCNF-ZnO NPCs 1%2.31 ± 0.10b5.44 ± 0.32cd63.70 ± 0.88cd73.27 ± 0.86cd0.031 ± 0.002d1.06 ± 0.01c
CH-BCNF-ZnO NPCs 2%2.80 ± 0.09a4.78 ± 0.46d61.63 ± 1.11d71.30 ± 1.10d0.022 ± 0.003e0.77 ± 0.18d

The different letters in each column are significantly different .