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Influence du refroidissement par la brumisation sur la qualité après récolte des fraises cv. Mara des Bois et Gariguette.

Influence of mist-chilling on postharvest quality of fresh strawberries Cv. Mara des Bois and Gariguette.

Auteurs : ALLAIS I., LÉTANG G.

Type d'article : Article, Article de la RIF

Résumé

The aim of this study was to assess the impact of mist-chilling on high-grade strawberry postharvest quality (Cultivars "Gariguette" and "Mara des Bois"). Strawberries were chilled at 2°C using three processes: air blast chilling at 0.3 or 1 m/s and mist-chilling at 1 m/s. After chilling, fruits were submitted to different distribution chains characterised by different handling conditions and storage temperatures (2 or 7°C) and by a 12 h retailing step at 20°C. Strawberry quality was assessed by measuring 7 parameters: weight loss, commercial loss, firmness, sugar content, acidity, colour and sensory quality. Compared to air-chilling, mist-chilling did not reduce chilling time but it reduced weight loss by 20-40%. Mist-chilling had no detrimental effect on commercial loss defined as the percentage of fruit more than 1/3 of surface affected. It did not induce any major changes on strawberry quality. Temperature fluctuations undergone during cold storage and retailing had a detrimental effect on weight loss. The beneficial effect of packaging on weight loss was confirmed.

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Pages : pp. 1495-1504

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Détails

  • Titre original : Influence of mist-chilling on postharvest quality of fresh strawberries Cv. Mara des Bois and Gariguette.
  • Identifiant de la fiche : 2009-2093
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 6
  • Date d'édition : 09/2009

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