Research Article

Effect of Starter Culture and Low Concentrations of Sodium Nitrite on Fatty Acids, Color, and Escherichia coli Behavior during Salami Processing

Table 3

Transitions of nonreversible and total heat flow, onset temperature of the endothermic peak (), midpoint temperature (), and specific heat (ΔCp) of lipid fractions of salami of treatment Ls-Sc+ in the prefermentation and postripening stages.

StageNon-reversible heat flowTotal heat flow
(°C) (°C)Cp (J/g °C) (°C) (°C)Cp (J/g °C)

Pre-fermentation13.14013.2600.07616.22016.7400.443
16.43016.8600.09827.51028.6700.538
23.47025.1200.07439.08040.7000.054
28.63729.0330.02044.11046.4500.227
31.26331.6850.02064.07075.9300.054
43.69547.3400.16681.41093.1800.096
79.49082.6100.011
93.84096.8200.024

Post-ripening13.27013.4000.26916.10516.7750.642
17.38016.6500.13429.23031.1500.759
23.78025.3830.13440.16042.3850.208
27.44529.1300.30547.10548.9050.360
40.67042.4800.10262.58064.9300.020
47.07549.5350.26282.84592.9500.046
61.13863.4550.031
94.48597.0950.023