2012International Journal of Dairy TechnologyRequires access

Extending the shelf life of fresh ewe’s cheese by modified atmosphere packaging

Alessandra Del, Anna Maria Sanguinetti, Costantino Fadda, Gavino Murittu, Angela Santoru, Antonio Piga

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Abstract

This study evaluated the effect of modified atmosphere packaging (MAP) in extending the shelf life of a fresh ewe’s cheese stored at 4 °C for 21 days. Three batches were prepared with 20, 30 or 50% CO2 with N2 as filler gas. MAP controlled well the microbial growth, and the best result was obtained with 50% CO2. Pathogens were not detected in any sample. Softening of cheese was best reduced by 30% or 50% CO2. The sensory characteristics of the cheeses markedly decreased during storage. Only the sample stored with 50% CO2 obtained an overall score above the acceptability at 14 days.

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What this paper is about

This study evaluated the effect of modified atmosphere packaging (MAP) in extending the shelf life of a fresh ewe’s cheese stored at 4 °C for 21 days. Three batches were prepared with 20, 30 or 50% CO2 with N2 as filler gas. MAP controlled well the microbial growth, and the best result was obtained with 50% CO2. Pathogens were not detected in any sample. Softening of cheese was best reduced by 30% or 50% CO2. The sensory characteristics of the cheeses markedly decreased during storage. Only the sample stored with 50% CO2 obtained an overall score above the acceptability at 14 days.

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OpenAlex reports 6 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This study evaluated the effect of modified atmosphere packaging (MAP) in extending the shelf life of a fresh ewe’s cheese stored at 4 °C for 21 days. Three batches were prepared with 20, 30 or 50% CO2 with N2 as filler gas. MAP controlled well the microbial growth, and the best result was obtained with 50% CO2. Pathogens were not detected in any sample. Softening of cheese was best reduced by 30% or 50% CO2. The sensory characteristics of the cheeses markedly decreased during storage. Only the sample stored with 50% CO2 obtained an overall score above the acceptability at 14 days.

Key concepts: Modified atmosphere, Shelf life, Food science, Softening, Filler (materials), Chemistry, Materials science, Composite material

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