Effect of TiO2 photocatalytic activity in a HDPE-based food packaging on the structural and microbiological stability of a short-ripened cheese

► HDPE + CaCO3 + TiO2 film is a wrapping material providing self-generated atmospheres. ► Embedded TiO2 photocatalyst enables oxidation of suitable organic molecules. ► Photodegradative process mediated by TiO2 leads to CO2 production. ► Packaging photocatalytic activity enhanced structural and microbiological stability of a short-ripened cheese.