Antonella Marra, Afia Boumail, Sossio Cimmino, Paula Criado, Clara Silvestre, Monique Lacroix
Abstract:The effect of ZnO and low γ-radiation on PLA based-films was investigated to be used for food packaging application. Ham slices were inoculated with E. coli, L. innocua and S. enterica and then covered with PLA and PLA/5% ZnO films. The samples were irradiated with a γ-radiation dose of 0.3 kGy at dose rate of 13.5 kGy/h. Microbiological analysis was performed at 0, 1 and 5 days on samples stored at 4 °C. Results showed that no consistent reduction of bacteria was obtained, even at the fifth day of s…
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