Mathematical Modelling of Modified Atmosphere Package: An Engineering Approach to Design Packaging Systems for Fresh-Cut Produce

Elena Torrieri (), Pramod V. Mahajan (), Silvana Cavella, Maria Sousa Gallagher, Fernanda A.R. Oliveira and Paolo Masi
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Elena Torrieri: University of Naples Federico II
Silvana Cavella: University of Naples Federico II

A chapter in Advances in Modeling Agricultural Systems, 2009, pp 455-483 from Springer

Abstract: Abstract Consumer demand for freshness and for convenience food has led to the evolution and increased production of fresh-cut fruits and vegetables. Moreover, this may represent a way to increase the consumption of fresh fruits and vegetables and therefore be a benefit for the crops-sector economy. Because the increase in convenience for the consumer has a detrimental effect on product quality, attention must be focused on extending shelf-life while maintaining quality. Modified atmosphere packaging (MAP) is a packaging technology that, by making qualitative or quantitative changes to the atmosphere composition around the product, can improve product preservation. However, MAP must be carefully designed, as a poorly designed system may be ineffective or even shorten product shelf-life. Thus, whereas in the past a trial-and-error approach to packaging of food was predominant, nowadays the need has emerged for an engineering approach to properly design a package to improve product shelf-life. Therefore, to ensure an appropriate gas composition during the product’s shelf-life, a model should take into account all the variables that play a critical role, such as product respiration and its mass; packaging material and its geometry; and environmental conditions such as temperature, relative humidity, and gas composition. In this chapter, a procedure to design a package for fresh-cut produce is described. An engineering approach is used to develop a mathematical model with the experimental data obtained for product respiration and package permeability and to solve the mass balance equations using computer software. A case study on fresh-cut apples is reported to validate the model.

Keywords: Packaging Material; Respiration Quotient; Modify Atmosphere Packaging; Litchi Fruit; Modify Atmosphere Package (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1007/978-0-387-75181-8_22

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