Mathematical Modelling of Shelf Life in Map Packed Meat: Coupling between Oxygen Dynamics, Colour Stability and Bacterial Growth

J. Tofteskov; M.A. Tørngren; J.S. Hansen; N. Bailey

Mathematical Modelling of Shelf Life in Map Packed Meat: Coupling between Oxygen Dynamics, Colour Stability and Bacterial Growth

In: 63rd International Congress of Meat Science and Technology

Authors:

J. Tofteskov

J. Tofteskov ¹Department of Science and Environment, Roskilde University, Denmark

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M.A. Tørngren

M.A. Tørngren ²DMRI, Danish Technological Institute, 2630 Taastrup, Denmark; jtofteskov@gmail.com

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J.S. Hansen

J.S. Hansen ¹Department of Science and Environment, Roskilde University, Denmark

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N. Bailey

N. Bailey ¹Department of Science and Environment, Roskilde University, Denmark

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Type:: Chapter

Pages:: 924–925

DOI:: https://doi.org/10.3920/9789086868605_415

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To understand shelf life determining processes in a modified atmosphere packaging (MAP) environment and enable more accurate predictions, colour stability and bacterial growth were modelled mathematically. This was done by coupling three distinct processes: two-way coupling of CO₂ and O₂ concentrations in the headspace to bacterial growth, transport of O₂ from the headspace into the product and chemical processes within meat. Parameters were set by extrapolation and fitting of available literature data as well as new data from validation experiments. The model reveals the nature of the competition for oxygen between bacteria and chemical oxygen-consuming processes and the different time scales governing shelf life. The model envisioned can be used as a tool for shelf life prediction.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

Subjects
- Life Sciences

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Mathematical Modelling of Shelf Life in Map Packed Meat: Coupling between Oxygen Dynamics, Colour Stability and Bacterial Growth

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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