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Discrimination ofclimacteric andnon‐climacteric melonfruit at harvest orat the senescencestage by qualitytraits Javier M. Obando‐UlloaM.M. JowkarEduard Moreno2009 год

Discrimination of climacteric and non‐climacteric melon fruit at harvest or at the senescence stage by quality traits
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Аннотация: Abstract BACKGROUND: This paper characterizes the quality traits at harvest and the changes associated with fruit senescence based on fruit physiological behaviour (climacteric or non‐climacteric) found in a collection of near‐isogenic lines (NILs) of melon ( Cucumis melo L.). Data from both stages of postharvest development were analyzed by univariate and multivariate statistical analysis. RESULTS: The principal components and random forest analyses of the fruit quality traits allowed the best classification of the NILs by time (harvest, senescence), or by climacteric behaviour at harvest, but not at the senescent stage. The overall quality profile of the non‐climacteric senescent melons was, in general, very different from that of the climacteric ones, and was in accord with a longer storage life. Most of the taste quality traits (individual sugars or sucrose equivalents, titratable acidity and the citric, oxalacetic, glutamic and succinic acids) and the traits related to skin, flesh and juice colour parameters (chroma, hue angle) helped to distinguish the climacteric NILs from the non‐climacteric ones independently of the time considered. CONCLUSIONS: The time had a stronger effect on quality than the physiological behaviour. The discrimination by climacteric or non‐climacteric behaviour was usually better at harvest than at the senescent stage irrespective of the methodology used. Principal component analysis was the best multivariate method to discriminate by time and physiological behaviour followed by random forest and linear discriminant analysis. Copyright © 2009 Society of Chemical Industry
Год издания: 2009
Авторы: Javier M. Obando‐Ulloa, M.M. Jowkar, Eduard Moreno, Mohammad Kazem Souri, Juan A. Martínez, María C. Bueso, Antonio J. Monforte, J.P. Fernández-Trujillo
Издательство: Wiley
Источник: Journal of the Science of Food and Agriculture
Ключевые слова: Postharvest Quality and Shelf Life Management, Plant Physiology and Cultivation Studies, Banana Cultivation and Research