Multifunctional active packaging based on layer-by-layer engineered chitosan/whey protein-citral coatings on polylactic acid/bacterial cellulose films for enhanced bread preservation.
The development of biodegradable active packaging that combines mechanical robustness with sustained antimicrobial functionality remains challenging. This study reports a multifunctional active film integrating a polylactic acid/bacterial cellulose (PLA/BC) composite substrate with surface-confined bioactivity via laye...