Table 2.
Characteristics of the keratin-starch bio-composite films.
| Characteristics | 20:0 | 20:1 | 20:3 | 20:5 |
|---|---|---|---|---|
| Moisture (%) | 19.0 ± 0.1c | 13.0 ± 0.2b | 11.7 ± 0.2b | 5.5 ± 0.2a |
| Thickness (mm) | 0.18 ± 0.02a | 0.23 ± 0.03b | 0.35 ± 0.03c | 0.35 ± 0.04c |
| Transparency (%T) | 76.83 ± 0.3d | 52.60 ± 0.2c | 33.20 ± 0.1b | 18.03 ± 0.2a |
| Tensile strength (MPa) | 8.3 ± 0.2a | 9.2 ± 0.1a | 11.5 ± 0.3b | 13.8 ± 0.2c |
| Elongation at break (%) | 19.7 ± 0.1a | 20.5 ± 0.3a | 28.1 ± 0.3b | 33.3 ± 0c |
Results are means ± SD of triplicate determinations. Values in the same row carrying different alphabets are significant (p < 0.05). Note: 20:0, 20:1, 20:3, and 20:5 = starch/keratin (v/v).