Table 2.
Optical properties of the GC-chitosan composite films containing JCEO
| JCEO (%) | L* | a* | b* | ΔE | Opacity (A/mm) |
|---|---|---|---|---|---|
| 0 | 93.75 ± 0.40a | − 1.99 ± 0.08a | 13.14 ± 0.60a | – | 7.71 ± 0.10c |
| 0.5 | 92.60 ± 0.09b | − 2.25 ± 0.07b | 16.45 ± 0.28b | 3.39 ± 0.27c | 8.14 ± 0.40c |
| 1.0 | 91.65 ± 0.16c | − 2.66 ± 0.04c | 20.18 ± 0.39c | 7.24 ± 0.42b | 10.34 ± 0.31b |
| 1.5 | 90.53 ± 0.27d | − 2.86 ± 0.21c | 22.24 ± 0.41d | 9.57 ± 0.44a | 13.39 ± 0.96a |
Mean ± S.D., n = 5
a–dAny means in the same column followed by different letters are significantly (p <0.05) different by Duncan’s multiple range test