Effect of active antimicrobial films on the growth of pathogenic bacteria in Mantı
Food Sci. Technol
DATA DE PUBLICAÇÃO
Abstract The current study assessed antimicrobial films for use in active food packaging. Mantı, a tortellini-like Turkish food, was packaged with antimicrobial films to extend refrigerated storage time at 4 °C. Polycaprolactone (PCL) was separately incorporated with cinnamaldehyde (CNMA) and pomegranate methanolic extract (PME) to form antimicrobial diffusion films for use against two common food-poisoning bacteria, Escherichia coli and Staphylococcus aureus, and the mantı pieces were separately inoculated with 5 log concentrations of both types of bacteria. The films and mantı were then inserted in polyethylene bags, which were filled with 100% N2 gas and monitored at 4 °C for 28 days. The results clearly show that both a low temperature storage (4 °C) and antimicrobial films controlled microbial growth in packages of mantı kept in a modified atmosphere (100% N2) for a 28-day period. The findings are promising from an industrial standpoint with regard to bakery foods that are packaged and preserved for short-term periods (<30 days).
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