Table 1.
Thickness, water vapor permeability (WVP), mechanical properties, solubility, and optical properties of carrageenan films.
| Physical Properties | CAR-C | CAR-OLE |
|---|---|---|
| Thickness (mm) | 0.032 ± 0.004 a | 0.048 ± 0.004 b |
| WVP (g∙m−1∙s−1∙Pa−1) | 6.61 × 10−11 ± 1.6 × 10−12 a | 7.43 × 10−11 ± 9.1 × 10−13 b |
| Elongation at break (%) | 29.21 ± 0.12 a | 36.58 ± 1.70 b |
| Tensile strength (MPa) | 11.83 ± 0.23 a | 8.51 ± 0.09 b |
| Elastic modulus (MPa) | 40.50 ± 0.97 a | 23.34 ± 1.33 b |
| Solubility (%) | 82.60 ± 3.47 a | 76.60 ± 0.33 a |
| Optical Properties | CAR-C | CAR-OLE |
| L* | 94.49 ± 0.21 a | 71.41 ± 0.92 b |
| a* | −0.145 ± 0.03 a | 7.78 ± 0.43 b |
| b* | 3.32 ± 0.31 a | 63.26 ± 1.59 b |
| ΔE | - | 64.72 |
Data reported as the mean values ± mean deviation. CAR-C: carrageenan film, CAR-OLE: carrageenan film with OLE. is the color difference (%); L*, a* and b* are the color parameters Different letters in the same line indicate significant differences between samples (p < 0.05).