Table 2.
Transparency and color parameters of SA–AG hydrogel-based films.
| Film Sample | Transparency (%) | L | a* | b* | ΔE* |
|---|---|---|---|---|---|
| AC-1 | 79.99 ± 0.62 a | 96.05 ± 0.12 a | −0.08 ± 0.02 a | 0.94 ± 0.08 a | 0.85 ± 0.09 a |
| AC-2 | 73.85 ± 2.04 b | 94.40 ± 0.07 b | 0.03 ± 0.03 b | 2.68 ± 0.11 b | 2.98 ± 0.10 b |
| AC-3 | 64.02 ± 1.05 c | 92.39 ± 0.30 c | 0.05 ± 0.02 b | 3.42 ± 0.47 c | 4.36 ± 0.43 c |
| AC-4 | 21.23 ± 2.27 d | 91.64 ± 0.15 d | 0.26 ± 0.05 c | 4.97 ± 0.52 d | 5.04 ± 0.54 c |
Means carrying the same letters are significantly identical (p > 0.05). L: lightness, a*: green-red color, b*: blue-yellow color, ΔE*: overall color variation.