Hexanal application reduces postharvest losses of mango (Mangifera indica L. variety "Kent") over cold storage whilst maintaining fruit quality

Silué Yardjouma, Nindjin Charlemagne, Cissé Mohamed, Kouamé Kohi Alfred, Amani N'Guessan Georges, Mbéguié-A-Mbéguié Didier, Lopez-Lauri Félicie, Tano Kablan. 2022. Hexanal application reduces postharvest losses of mango (Mangifera indica L. variety "Kent") over cold storage whilst maintaining fruit quality. Postharvest Biology and Technology, 189:111930, 6 p.

Résumé : Mango (Mangifera indica L.) is a widespread crop that is affected by many factors that promote deterioration and limit its shelf life. This study aims to evaluate the effect of hexanal treatment and cold storage conditions on mango quality and postharvest losses. Mangoes var "Kent" were harvested from a commercial orchard located in Korhogo in the northern area of Ivory Coast. The fruit was then dipped in an aqueous hexanal formulation and stored at a cold temperature (13 ºC) before ripening at laboratory temperature (30 °C). Their quality was assessed during storage and after ripening. The results showed that hexanal reduced postharvest losses by 22.85% and spoilage by 12% after four weeks of cold storage. Furthermore, the results revealed that hexanal treatment increased fruit firmness and ascorbic acid content compared to control fruit. However, there was no difference in soluble solids content, titratable acidity, pH, dry matter, and colour between treated and control fruit. Sensory analysis showed that hexanal treatment improved some sensory descriptors such as overall likeability, chewiness, sweetness, and colour of the mango flesh. Therefore, our study suggests that postharvest dipping of mangoes in the hexanal solution, combined with cold storage conditions, extends the shelf life of the fruit while maintaining or even improving its organoleptic features.

Mots-clés Agrovoc : Mangifera indica, aptitude à la conservation, perte après récolte, lutte après récolte, qualité, variété, perte de récolte, mangue, stockage

Mots-clés géographiques Agrovoc : Côte d'Ivoire, France

Mots-clés libres : Cold storage, Fruit quality, Hexanal formulation, Mango, Postharvest losses

Agences de financement hors UE : Ministry of Higher Education and Scientific Research of Côte d'Ivoire

Auteurs et affiliations

• Silué Yardjouma, Université d'Avignon et des pays de Vaucluse (FRA) - auteur correspondant
• Nindjin Charlemagne, UNA [Université Nangui Abrogoua] (CIV)
• Cissé Mohamed, UPGC (CIV)
• Kouamé Kohi Alfred, UNA [Université Nangui Abrogoua] (CIV)
• Amani N'Guessan Georges, UNA [Université Nangui Abrogoua] (CIV)
• Mbéguié-A-Mbéguié Didier, CIRAD-PERSYST-UMR Qualisud (CIV) ORCID: 0000-0002-9256-3999
• Lopez-Lauri Félicie, Université d'Avignon et des pays de Vaucluse (FRA)
• Tano Kablan, UNA [Université Nangui Abrogoua] (CIV)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/606169/)

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