Akademik Veri Yönetim Sistemi
Antimicrobial Food Packaging, Second Edition, Elsevier, ss.793-817, 2025
Postbiotics (cell-free supernatants), metabolic products of probiotics or other beneficial microorganisms produced during fermentation in a nutritive matrix, have been an emerging concept in recent years due to their biological activities and health beneficial properties. Postbiotics are a complex of metabolic byproducts including bacteriocins, peptides, enzymes, organic acids, vitamins, hydrogen peroxide, carbon dioxide, and exopolysaccharides, many of them having inhibitory activity against microorganisms. Thanks to this ability, postbiotics have been used as natural antimicrobial agents for increasing food shelf life and prevention of pathogenic microorgranisms. Inclusion of postbiotics in antimicrobial food packaging systems has been considered as an alternative and novel route of food preservation in recent years. Antimicrobial activity of postbiotics used in food packaging materials has mainly attributed to presence of bacteriocins. Furthermore, postbiotics-incorporated films have been shown to have inhibitory effect against a wide spectrum of bacteria, yeasts, and molds while shelf life of perishable foods such as cheese, meat, chicken, and fish has been extended by application of these antimicrobial films. Consequently, this chapter summarizes the composition and health benefits of postbiotics, primarily focuses on properties and food applications of postbiotics-activated antimicrobial packaging materials.