Fig. 3. Ethanol content of packaged sponge cake in active packaging; O2 scavenger (OS) with capacity of 400, 200, 100 cc and/or ethanol emitter (EE), and high barrier pouch; polyvinylidene chloride nylon (K) or nylon (N), during extended storage at 30 ± 2 C and 60 ± 10% relative humidity.