Table 1. Specifications of vacuum packaging films used in this study

Parameter Vacuum packaging films
PVDC EVOH
Thickness (μm) 56 133
O2 transmission rate (cc/m2 · 24 h at 23°C) 13.9 20.7
H2O transmission rate (g/m2 · 24 h) 9.66 22.4
PVDC, polyvinylidene chloride; EVOH, ethylene vinyl alcohol.