Studies of biochemical parameters characteristic of oxidative damage in different apple cultivars ( Malus domestica Borkh.) during storage

Kosáry, J. and Hitka, G. and Kápolna, B. and Radva, D. (2008) Studies of biochemical parameters characteristic of oxidative damage in different apple cultivars ( Malus domestica Borkh.) during storage. Acta Alimentaria, 37 (4). pp. 463-470. ISSN 0139-3006

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Abstract

Biochemical parameters, characteristic of oxidative damage (POX and PPO activity, FRAP value and TP content) were used to study the prolonged storage of novel apple cultivars resistant to several apple tree diseases (Re-apples). In period I, results of apples stored from September to November and from September to December were compared. In period II, results of apples stored from September to December and from September to April were compared. In period I, significant increase in the activity of peroxidase and polyphenoloxidase enzymes, slight increase in total phenol content and slight decrease in FRAP values were detected. In period II, the parameter values decreased. No direct correlations were found between the measured biochemical parameters and the keeping of quality during the prolonged storage, therefore additional comparative studies are needed.

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