Abstract
Biodegradable blend films containing thermoplastic starch (TPS), polylactic acid (PLA), and poly(butylene adipate‐co‐terephthalate) (PBAT) were assessed for red chili storage under modified atmosphere packaging (MAP) at 10°C. Performances of biodegradable blend films were compared to polypropylene (PP) film and the control (unpacked). Gas permeabilities and permeability ratios were determined to measure the ability of the films to create an optimal atmosphere for red chili storage. PP film attained values close to the recommended MAP gas concentrations and maintained desirable chili quality parameters up to the 15th day. Biodegradable films did not achieve the recommended MAP gas concentrations, but high water vapor permeability prevented moisture loss and maintained firmness and overall quality. No discoloration was recorded in all MAP treatments, while biochemical parameters showed a decreasing trend, with measured levels significantly higher in MAP samples than unpacked samples. MAP for red chili was achieved using a packaging system, with similar gas permeabilities to PP film but with significantly higher water vapor permeability.
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