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European Food Research and Technology

, Volume 244, Issue 5, pp 805–818 | Cite as

Impact of early harvesting and two cold storage technologies on eating quality of red ripe tomatoes

  • Antonio Raffo
  • Irene Baiamonte
  • Nicoletta Nardo
  • Stefano Nicoli
  • Elisabetta Moneta
  • Marina Peparaio
  • Fiorella Sinesio
  • Flavio Paoletti
Original Paper

Abstract

Tomato fruits of cv. Caramba harvested at the pink ripening stage were cold stored for 4 and 7 days at 6 °C, then allowed to fully ripen at ambient temperature, and finally evaluated for eating quality, and compared with fruit fully ripened on the vine. In addition, fruits harvested at full ripeness were subjected to cold storage at 6 °C by a conventional or the innovative passive refrigeration PRS™ system for 2, 4, and 7 days, and then evaluated. Tomato quality evaluation included sensory, chemical (volatile compounds, sugars, and organic acids), and physical (flesh texture and skin colour) attributes. Fruit harvested at the pink stage, and then subjected to cold storage, when attained full external red colour showed less intense tomato odour, red ripe tomato odour, and flavour when compared to fruit fully ripened on the vine, and, at the same time, developed a perceptible mould off-odour. These differences were consistent with those observed in the levels of aroma compounds and fermentation metabolites. Main effects associated with cold storage of red ripe fruits by both conventional and passive refrigeration were increased skin toughness and decreased sourness. Passive refrigeration caused a more pronounced toughening of the skin, but no development off-odours were detected. Analysis of alteration of volatile synthesis confirmed recent findings on the molecular mechanism underlying chilling-induced loss of flavour in tomatoes.

Keywords

Tomato fruit Freshness Refrigeration Short food supply chains Aroma 

Notes

Acknowledgements

This study was done within the frame of the FRESCO Project (“La freschezza dei prodotti ortofrutticoli”), financed by the Italian Ministry of Agriculture and Forestry.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Compliance with ethics requirements

All subjectes involved in the sensory study were preliminary informed about the nature of the research and consented to their informed participation; an informative note was collected from each panellist.

Supplementary material

217_2017_2996_MOESM1_ESM.docx (37 kb)
Supplementary material 1 (DOCX 36 kb)

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Council for Agricultural Research and Economics (CREA)-Research Centre for Food and NutritionRomeItaly

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