After ripening, the sausages were vacuum packaged (80 mbar) using bell-shaped machines (Mixer Duo, Euromatic Tecnology Srl, Italy) in plastic bags (oxygen transmission rate at 23 °C and 0% R.H. of ≤50 cm3/m2/bar/24 h, DIN 53380; water vapor transmission rate at 23 °C and 85% R.H. of ≤3 g/m2/24 h, DIN 53122). Sausages were analyzed
at 0, 3 and 6 months of refrigerator storage at 4 °C.