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Dynamic controlled atmosphere storage for apples.

Entreposage des pommes en atmosphère contrôlée dynamique.

Author(s) : GABIOUD REBEAUD S., EPPLER T., NAUNHEIM W., et al.

Type of article: Article

Summary

The concept of dynamic controlled atmosphere storage (DCA) involves the reduction of oxygen in the storage atmosphere to near the lowest level tolerated by the fruit, the so-called anaerobic compensation point. Fruit quality loss during DCA storage is presumed to be slowed down compared to normal ULO storage. Storage conditions below the critical oxygen level will cause anaerobic conditions followed by severe quality losses in stored fruit. Two methods based on RQ and fluorescence signal F-a (monitoring were tested to detect the critical oxygen concentration (ACP) during DCA-storage of several apple varieties. Both methods yielded identical oxygen values for ACP: 0.2-0.4 %, depending on the apple variety. After the critical oxygen limit was reached, the oxygen concentration was increased by about 0.1-0.3 %. ln this way, fruits were he Id for 200 days at oxygen levels of 0.3 to 0.6 % without any physiological disorders while fruit firmness of DCA stored apples was in general significantly higher than that of ULO-stored control fruit.

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Pages: 344-350

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Details

  • Original title: Entreposage des pommes en atmosphère contrôlée dynamique.
  • Record ID : 30016972
  • Languages: French
  • Source: Revue suisse de Viticulture Arboriculture Horticulture - vol. 46 - n. 6
  • Publication date: 2014/11

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