Evaluation of two packaging systems for regional cheese

I. Pantaleão, M. M. E. Pintado, M. F. F. Poças*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)


Saloio cheese - a regional Portuguese cheese - is currently sold unpackaged or in a vacuum package. Neither of these packaging systems is acceptable: the first system yields a cheese too hard, because of excessive water loss, while the second yields a white cheese with poor textural properties. The use of a packaging system with a tailor-made moisture barrier, i.e., allowing for water loss, but at a lower rate, is a way of extending the cheese's shelf-life. The adequate water vapour permeability to preserve the cheese was previously determined as 6.8 × 10-7 g m/m2day Pa at 8 °C. The objective of this work was to develop a packaging system providing the required relative humidity inside the package. Two systems were tested: (i) the active system Humidipak® and (ii) perforated plastic films. Both packaging systems succeeded in extending the cheese's shelf-life by significantly decreasing the water loss. Perforated films require further study on moulds growth control.

Original languageEnglish
Pages (from-to)481-487
Number of pages7
JournalFood Chemistry
Issue number2
Publication statusPublished - 2007


  • Active packaging
  • Cheese
  • Humidipak
  • Perforated films
  • Shelf-life


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