Table 1.
Characterization of the starch films added with different concentrations of oregano essential oil
| Test | OEO (%) | OP (%) | WVP (g mm kPa−1 m−2 day−1) | S (%) | TS (MPa) | E (%) |
|---|---|---|---|---|---|---|
| 1 | 0 | 13.9a ± 0.1 | 8.8a ± 0.5 | 25.8a ± 0.6 | 2.2c ± 0.3 | 138.1e ± 1.7 |
| 2 | 4 | 14.2a ± 0.2 | 6.0b ± 1.4 | 23.8b ± 1.1 | 3.4b ± 0.6 | 145.2d ± 1.7 |
| 3 | 4.5 | 14.1a ± 0.2 | 3.7c ± 0.8 | 24.0a,b ± 1.0 | 4.4a ± 0.6 | 137.9e ± 1.3 |
| 4 | 5 | 13.9a ± 0.2 | 5.9b ± 1.5 | 19.8c ± 1.0 | 4.2a ± 0.3 | 151.1c ± 1.9 |
| 5 | 6 | 14.1a ± 0.1 | 5.6b ± 1.2 | 20.1c ± 1.1 | 4.7a ± 0.4 | 178.3b ± 1.3 |
| 6 | 7 | 14.2a ± 0.2 | 5.8b ± 0.8 | 19.0c ± 1.3 | 4.1a ± 0.8 | 189.4a ± 1.5 |
Values with different letters in the same column are significantly different (p < 0.05)
OEO oregano essential oil, OP opacity, TS tensile strength, E elongation, WVP water vapor permeability, S solubility