Efficacy and inefficacy of refrigerated storages on some physical, physiochemical and electrochemical properties for organically-grown `Royal Glory' and `Redhaven' peaches
Özet
The study focused on organically-grown `Royal Glory' and `Redhaven'
peaches, with the aim to evaluate some physical, physiochemical and
electrochemical quality indices during and after refrigerated storages
at 0, 5 and 12 degrees C for up to 12 days and subsequently 1 day at 25
degrees C. Peaches lost their fresh weight and firmness during the
storages regardless of the storage temperatures and cultivars; however,
the loss in firmness for peaches at 12 degrees C was extensive, which
delimited to durations of the storage. Marked changes in peel and flesh
color, soluble solids content, titratable acidity, and vitamin C content
were also registered over the storage time. Both cultivars developed
chilling injury symptoms as internal flesh browning at 0 degrees C
rather than at 5 degrees C which supported by a decrease in chromatic
L{*} and b{*} values. For the first time, electrochemical parameters
such as redox potential and P-value for a peach fruit using Bioelectric
Vincent method have been reported and evaluated. However, no significant
relationship was found between electrochemical and other physiochemical
quality parameters assessed.
Koleksiyonlar
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