Table 1.
Surface color and transmittance of pullulan/chitosan-based bioactive composite films.
| Films | L | a | b | ΔE | WI | YI | T280 (%) | T660 (%) |
|---|---|---|---|---|---|---|---|---|
| PLN/CTS | 90.7 ± 0.3 c | −2.3 ± 0.3 c | 13.5 ± 1.4 a | 9.2 ± 1.5 a | 86.0 ± 1.4 c | 21.2 ± 2.3 a | 24.7 ± 1.9 c | 91.2 ± 0.3 c |
| PLN/CTS/ZnO | 90.7 ± 0.1 c | −2.1 ± 0.1 c | 12.2 ± 0.5 a | 7.9 ± 0.5 b | 87.2 ± 0.5 c | 19.2 ± 0.8 b | 23.1 ± 0.6 c | 90.6 ± 0.3 b |
| PLN/CTS/PPS | 88.1 ± 0.3 b | −5.1 ± 0.2 a | 25.8 ± 1.1 c | 22.0 ± 1.1 d | 73.5 ± 1.1 a | 41.8 ± 1.8 d | 7.0 ± 0.4 b | 88.1 ± 0.6 a |
| PLN/CTS/ZnO/PPS | 87.0 ± 0.3 a | −4.0 ± 0.2 b | 23.2 ± 1.1 b | 19.7 ± 1.2 c | 76.1 ± 1.1 b | 38.1 ± 2.0 c | 6.4 ± 0.4 a | 88.6 ± 0.5 a |
The data are denoted as a mean ± standard deviation. In the same column, any two means, followed by the same letter, are not meaningfully (p > 0.05) dissimilar from Duncan’s multiple range test.