Summary Optimising packaging for minimally processed ‘Barattiere’ melon cultivar (Cucumis melo L.) is addressed in
this work. Melon slices were dipped in water solution containing ascorbic acid (1%) and calcium chloride
(0.2%). Dipped and untreated fresh-cut produce was packaged in four different polymeric materials (two
biodegradable films, a commercially available multilayer film (MLF) and polypropylene), before storing at
5 C. During storage, headspace gas composition, microbial quality, pH and mass loss were monitored for a
period of 2 weeks. Results suggest that film characteristics strongly influenced gas concentrations in the
headspace, microbial growth and weight. Among the tested packaging materials, the MLF seemed to delay
significantly the detrimental phenomena involved in quality acceptance, even if clearly anaerobic
atmospheres were recorded. The biodegradable films, combined with a dipping pre-treatment, could
represent a good compromise between film performance and environmental impact.
Keywords Dipping pre-treatment, melon, packaging material, shelf-life.
Summary Optimising packaging for minimally processed ‘Barattiere’ melon cultivar (Cucumis melo L.) is addressed in
this work. Melon slices were dipped in water solution containing ascorbic acid (1%) and calcium chloride
(0.2%). Dipped and untreated fresh-cut produce was packaged in four different polymeric materials (two
biodegradable films, a commercially available multilayer film (MLF) and polypropylene), before storing at
5 C. During storage, headspace gas composition, microbial quality, pH and mass loss were monitored for a
period of 2 weeks. Results suggest that film characteristics strongly influenced gas concentrations in the
headspace, microbial growth and weight. Among the tested packaging materials, the MLF seemed to delay
significantly the detrimental phenomena involved in quality acceptance, even if clearly anaerobic
atmospheres were recorded. The biodegradable films, combined with a dipping pre-treatment, could
represent a good compromise between film performance and environmental impact.
Keywords Dipping pre-treatment, melon, packaging material, shelf-life.
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