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Study and application of Time-Temperature Integrator smart labels for monitoring the cold chain of active modified atmosphere packaged sea bass.

Number: 298404

Author(s) : TSIRONI T., NTZIMANI A., GOGOU E., SEMENOGLOU I., DERMESONLOUOGLOU E., TAOUKIS P.

Summary

Time Temperature Integrators (TTIs), inexpensive smart labels that indicate the time-temperature history per product unit, can support effective management of fish products supply chain. Shelf life of sea bass (Dicentrarchus labrax) in modified atmosphere packaging (MAP) with or without CO2 emitters (50% CO2) was modeled via microbial indices in the temperature range of 0-10 °C. Response of lipase/fatty acid ester based TTIs (VITSAB AB) was modeled for different enzyme concentrations/substrates. Temperature dependence was expressed through the activation energy (Ea) of the Arrhenius equation. Shelf life of MAP sea bass based on microbial growth was 18 days at 0°C (Ea=67 kJ/mol). TTIs Ea ranged from 95 to 140 kJ/mol. Matching TTI and product requires appropriate response time and Ea within 40 kJ/mol. TTI with methyl myristate substrate and 12 units enzyme concentration was selected for shelf life monitoring and its applicability in the MAP fish cold chain.

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Details

  • Original title: Study and application of Time-Temperature Integrator smart labels for monitoring the cold chain of active modified atmosphere packaged sea bass.
  • Record ID : 30027632
  • Languages: English
  • Subject: Technology
  • Source: 6th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Nantes, France, August 26-28 2020
  • Publication date: 2020/08/26
  • DOI: http://dx.doi.org/10.18462/iir.iccc.2020.298404
  • Document available for consultation in the library of the IIR headquarters only.

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