Development of novel cocrystal-based active food packaging by a Quality by Design approach
2021
Bianchi, Federica | Fornari, Fabio | Riboni, Nicolò | Spadini, Costanza | Cabassi, Clotilde Silvia | Iannarelli, Mattia | Carraro, Claudia | Mazzeo, Paolo Pio | Bacchi, Alessia | Orlandini, Serena | Furlanetto, Sandra | Careri, Maria
A way to reduce food waste is related to the increase of the shelf-life of food as a result of improving the package type. An innovative active food packaging material based on cocrystallization of microbiologically active compounds present in essential oils i.e. carvacrol, thymol and cinnamaldehyde was developed following the Quality by Design principles. The selected active components were used to produce antimicrobial plastic films with solidified active ingredients on their surface characterized by antimicrobial properties against four bacterial strains involved in fruit and vegetable spoilage. The developed packaging prototypes exhibited good antimicrobial activity in vitro providing inhibition percentage of 69 (±15)% by contact and inhibition diameters of 32 (±6) mm in the gas phase, along with a prolonged release of the active components. Finally, the prolonged shelf-life of grape samples up to 7 days at room temperature was demonstrated.
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