Table 4.
Thickness, color parameters (L*, a*, and b*), and opacity (OP) of alginate films incorporating amaranth phenolic compounds.
| Films | Thickness (mm) |
OP (%) |
Color Parameters | ||
|---|---|---|---|---|---|
| L* | a* | b* | |||
| 1 | 5.00 ± 0.26 a | 7.80 ± 0.53 b | 94.26 ± 0.28 b | −0.21 ± 0.08 b | 6.98 ± 0.52 b,d |
| 2 | 5.03 ± 1.01 a | 9.86 ± 0.87 a | 95.26 ± 0.31 a | 0.00 ± 0.02 a,c | 4.08 ± 0.21 a |
| 3 | 6.43 ± 0.65 a | 7.60 ± 1.93 b | 94.13 ± 0.34 b | −0.22 ± 0.12 b | 7.56 ± 0.49 b |
| 4 | 6.57 ± 0.32 a | 10.44 ± 0.48 a | 95.10 ± 0.16 a | −0.06 ± 0.09 a,c | 4.76 ± 0.30 a |
| 5 | 5.00 ± 0.75 a | 3.35 ± 0.29 c | 96.49 ± 0.07 c | −0.09 ± 0.02 a,b | 2.93 ± 0.23 c |
| 6 | 6.10 ± 1.00 a | 10.11 ± 0.73 a | 95.22 ± 0.36 a | 0.03 ± 0.02 c | 4.25 ± 0.23 a |
| 7 | 5.47 ± 0.86 a | 5.31 ± 0.42 d | 93.97 ± 0.29 b | −0.20 ± 0.06 b | 6.62 ± 0.41 d,e |
| 8 | 4.83 ± 0.63 a | 9.14 ± 0.58 a,b | 94.51 ± 0.47 b | −0.07 ± 0.07 a,c | 6.06 ± 0.91 e |
| 9 | 4.73 ± 0.85 a | 12.09 ± 0.51 e | 95.44 ± 0.23 b | −0.20 ± 0.05 b | 7.77 ± 0.27 b |
| 10 | 4.33 ± 0.35 a | 12.00 ± 0.21 e | 94.59 ± 0.18 b | −0.29 ± 0.02 b | 7.35 ± 0.48 b |
| 11 | 4.03 ± 0.35 a | 12.02 ± 0.60 e | 94.02 ± 0.63 b | −0.30 ± 0.07 b | 8.33 ± 0.56 b |
a–e Different letters in the same column indicate statistical differences between samples (p < 0.05).