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Barrier properties of bilayer films.
| Permeability | Bilayer Control Films | Bilayer Films (with Licorice Essential Oil) |
p-Value | |
|---|---|---|---|---|
| Water vapor | WVTR (g/m2·day) | 16.24 ± 0.68 | 15.53 ± 0.34 | 0.206 |
| WVP (g/Pa·day·m) (×10−6) | 1.89 ± 0.08 | 1.98 ± 0.04 | 0.182 | |
| Oxygen | OTR (cm3/m2·day) | 1845.15 ± 164.25 | 1161.33 ± 6.69 | 0.019 * |
| OP (cm3·µm/m2·day·kPa) | 3041.00 ± 246.89 | 2143.00 ± 168.29 | 0.009 * | |
Results expressed as mean ± SD; * indicates a significant result (p-value < 0.05).
