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Title: Comparative polyphenolic antioxidant profile and quality of traditional apple cultivars as affected by cold storage
Authors: Goulas, Vlasios 
Kourdoulas, Panayiotis 
Makris, Fedon 
Theodorou, Maria 
Fellman, John K. 
Manganaris, George A. 
Keywords: Antioxidant capacity;Cold storage;Flavonols;Hydroxycinnamates;Malus x domestica;Phenolics
Category: Agricultural Biotechnology
Field: Agricultural Sciences
Issue Date: Sep-2014
Publisher: Institute of Food Science and Technology
Source: International Journal of Food Science & Technology, 2014, Volume 49, Issue 9, Pages 2037-2044.
Journal: International Journal of Food Science and Technology 
Abstract: ‘Kathista’ and ‘Lortiko’ are regarded as traditional and highly appreciated apple cultivars in Cyprus, yet their postharvest behaviour and phytochemical content are largely unknown. Such fruits were examined for their qualitative traits, phenolic composition and antioxidant capacity after harvest or short, intermediate or extended cold storage and additional ripening at room temperature (RT), using ‘Gala’ as reference cultivar. Total phenolic content was dependent on cultivar and length of cold storage, while hydroxycinnamic acids were always at higher levels compared to total flavonols for all the examined cultivars. No clear trends regarding the influence of cold storage or RT maintenance on fruit antioxidant properties were evident. Overall, quality attributes and polyphenolic content of the traditional apple cultivars were comparable with ‘Gala’ at harvest; thus, they can be considered a good source of nutraceuticals as summer apple cultivars. However, extended cold storage deteriorates fruit behaviour and antioxidant capacity, particularly in ‘Lortiko’ fruit.
ISSN: 1365-2621
DOI: 10.1111/ijfs.12507
Rights: © 2014 Institute of Food Science and Technology
Type: Article
Appears in Collections:Άρθρα/Articles

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