Table 2.
Characterisation values of different films.
| KGL | CMK-Ⅰ | CMK-Ⅱ | CMKH-Ⅰ | CMKH-Ⅱ | CMKP-Ⅰ | CMKP-Ⅱ | |
|---|---|---|---|---|---|---|---|
| Total phenolic content (mg CAE/g film) |
– | – | – | 37.00 ± 0.13a | 38.68±±0.78a | – | – |
| Thickness (mm) | 0.062 ± 0.001d | 0.086 ± 0.007c | 0.097 ± 0.006b | 0.102 ± 0.005ab | 0.109 ± 0.005a | 0.105 ± 0.002ab | 0.112 ± 0.002a |
| Tensile strength (MPa) | 10.01 ± 1.39bc | 8.11 ± 0.60c | 13.02 ± 2.23ab | 8.805 ± 0.44c | 8.03 ± 1.61c | 10.75 ± 0.56abc | 13.13 ± 1.47a |
| Elongation at break (%) | 61.33 ± 6.02d | 81.33 ± 2.63b | 55.43 ± 2.42d | 113.15 ± 1.83a | 83.13 ± 4.16b | 77.05 ± 3.14bc | 71.73 ± 0.52c |
| Weight loss (%) | 92.38 ± 1.09c | 85.28 ± 0.17e | 82.24 ± 0.49f | 88.24 ± 0.81d | 88.27 ± 0.66d | 95.15 ± 0.34b | 96.91 ± 0.11a |
| Water vapor permeability (×10−10 g m−1 s−1 Pa−1) |
3.50 ± 0.16a | 3.02 ± 0.02b | 2.89 ± 0.10b,c | 2.89 ± 0.04b,c | 2.64 ± 0.12c | 3.34 ± 0.07a | 3.34 ± 0.23a |
| Opacity (Abs/mm) | 13.64 ± 1.34b | 12.03 ± 0.44bc | 10.84 ± 0.82c | 12.75 ± 0.73b | 11.06 ± 0.14c | 17.10 ± 0.80a | 16.86 ± 0.138a |
| L* | 90.72 ± 0.49a | 89.75 ± 0.37b | 88.84 ± 0.69b,c | 74.63 ± 0.56d | 74.36 ± 0.73d | 88.17 ± 0.62c | 87.83 ± 0.62c |
| a* | −1.47 ± 0.04d | −1.04 ± 0.09c | −0.98 ± 0.05c | 2.45 ± 0.30b | 2.76 ± 0.46a | −1.09 ± 0.21c | −0.98 ± 0.13c |
| b* | −0.17 ± 0.23e | 2.76 ± 0.94d | 3.88 ± 0.48d | 34.25 ± 0.46b | 36.29 ± 0.92a | 8.71 ± 1.34c | 9.95 ± 1.14c |
| ΔE | 1.54 ± 0.09e | 2.99 ± 0.84d,e | 4.01 ± 0.46d | 34.34 ± 0.48b | 36.41 ± 0.95a | 8.79 ± 1.31c | 10.00 ± 1.13c |
CAE, chlorogenic acid equivalent. The value is mean ± standard deviation (n = 3). Different letters in the same row indicate significant difference (p < 0.05).