Shikonin-loaded bioactive gelatin films with antibacterial activity against Listeria species and antioxidant properties to extend the shelf-life of raw refrigerated beef.

Certain Listeria species, particularly L. monocytogenes, can colonize refrigerated meat surfaces and form biofilms, both threatening product safety and shortening shelf-life. This study developed a shikonin-loaded gelatin-based film (GEL-SKN film). F…

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