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Could the reliability of classical descriptors of fruit quality be influenced by irrigation and cold storage? The case of mango, a climacteric fruit

Rosalie Rémy, Lechaudel Mathieu, Chillet Marc, Dufossé Laurent, Joas Jacques. 2019. Could the reliability of classical descriptors of fruit quality be influenced by irrigation and cold storage? The case of mango, a climacteric fruit. Journal of the Science of Food and Agriculture, 99 (8) : pp. 3792-3802.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q1, Sujet : AGRICULTURE, MULTIDISCIPLINARY / Quartile : Q2, Sujet : CHEMISTRY, APPLIED / Quartile : Q2, Sujet : FOOD SCIENCE & TECHNOLOGY

Abstract : BACKGROUND: Large improvements have been realized on the accuracy of the determination of fruit quality. The relevance of the relationship between commonly used quality descriptors and their related chemical contents was here questioned under the influence of water supply reduction and postharvest cold storage. The study relied on three analyses: (1) a correlation table between quality descriptors and compound contents, (2) principal component analysis using the selected variables to see the quality discrimination dictated by treatments; and (3) linear correlation between content and descriptors according to treatments. RESULTS: The results indicate that abiotic parameters applied on mango fruits before or after harvest can affect the relationship between a quality descriptor and the content in compounds it is related to, here between titratable acidity and organic acid content and to a lesser extent between color, represented by hue angle values, and carotenoids, possibly creating bias in the final quality determination. A stronger relation between total soluble solids and total sugar content, were observed under mild abiotic stress. CONCLUSION: Fruit growth and postharvest storage conditions, such as irrigation and cold storage, can influence the actual correspondence between the compounds contents and the descriptors used to estimate fruit quality, particularly for pulp color, sugars and acids.

Mots-clés Agrovoc : Mangue, Stockage au froid, Irrigation, Pratique culturale, Qualité des aliments, Composition chimique

Mots-clés géographiques Agrovoc : Réunion

Mots-clés libres : Conditions de production et conservation, Caroténoïdes, Couleur, Sucres, Extrait sec soluble, Acides, Acidité titrable

Classification Agris : Q02 - Food processing and preservation
F06 - Irrigation
J10 - Handling, transport, storage and protection of agricultural products
Q04 - Food composition
F60 - Plant physiology and biochemistry

Champ stratégique Cirad : CTS 3 (2019-) - Systèmes alimentaires

Auteurs et affiliations

  • Rosalie Rémy, Université de la Réunion (REU)
  • Lechaudel Mathieu, CIRAD-PERSYST-UMR Qualisud (GLP) ORCID: 0000-0002-1108-8357 - auteur correspondant
  • Chillet Marc, CIRAD-PERSYST-UMR Qualisud (REU)
  • Dufossé Laurent, Université de la Réunion (REU)
  • Joas Jacques, Université de Montpellier (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/592472/)

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