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Updated: Apr 18, 2026

Preparation of High-Quality Fermented Fish Product
Published on: August 23, 2019
Lipid degradation and sensory characteristics of ripened sausages packed in modified atmosphere at different carbon
Carmine Summo1, Antonella Pasqualone1, Vito Michele Paradiso1
1Department of Soil, Plant and Food Science (DISSPA), University of Bari Aldo Moro, Via Amendola 165/a, I-70126 Bari, Italy.
Background:
Conflicting results about the effect of modified atmosphere packaging (MAP) rich in CO2 on the quality of different kinds of meat products are present in the literature. In this study, the degree of lipid degradation and the sensory characteristics of ripened sausages packed in modified atmosphere at three different carbon dioxide (CO2) concentrations were evaluated during 5 months of storage.
Results:
The degree of hydrolytic degradation of the lipid fraction was found to decrease with increasing CO2 concentration. Similarly, oxidative phenomena occurred at a lower rate when the CO2 concentration increased. The variations in CO2 concentration influenced the perception of rancid flavor in the examined sausages.
Conclusion:
An increase in CO2 concentration in MAP slowed down the evolution of lipid oxidation owing to the minor extent of hydrolytic degradation, whose products have pro-oxidant activity. This effect was more evident in the first 2 months of storage.
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