Table 2.
Film | Thickness (mm) | Water vapor permeability (g mm m−2 h−1 kPa−1) | WCA (°) |
---|---|---|---|
Corn starch film (M) | 0.13 ± 0.01A | 0.26 ± 0.02C | 31 ± 22G |
Cassava starch film (C) | 0.11 ± 0.02B | 0.27 ± 0.04C | 49 ± 1EF |
Chitosan film (Q) | 0.04 ± 0.01E | 0.06 ± 0.007E | 104 ± 2A |
Corn starch–chitosan blended film (MQ) | 0.09 ± 0.003CD | 0.19 ± 0.01D | 43 ± 3F |
Cassava starch–chitosan blended film (CQ) | 0.08 ± 0.007D | 0.17 ± 0.01D | 60 ± 3D |
Corn starch film coated with chitosan (EM) | 0.10 ± 0.01BC | 0.30 ± 0.06BC | 87 ± 3B |
Cassava starch film coated with chitosan (EC) | 0.11 ± 0.01B | 0.36 ± 0.05B | 52 ± 7E |
Corn starch film coated with crosslinked chitosan (ERM) | 0.11 ± 0.01B | 0.31 ± 0.01B | 79 ± 5C |
Cassava starch film coated with crosslinked chitosan (ERC) | 0.12 ± 0.03AB | 0.41 ± 0.01A | 74 ± 2C |
PVC based film | 0.008 ± 0.0005E | 0.03 ± 0.003E | – |
LDPE based film | 0.008 ± 0.0005E | 0.003 ± 0.0001E | – |
Corn starch (CS) commercial film | 0.011 ± 0.0005E | 0.04 ± 0.01E | – |
Different letters in the columns indicate that there are statistically significant differences (p < 0.05) between samples through the Tukey’s multiple range tests