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|Title:||Correlation between changes in polyphenol composition of peels and incidence of CO2 skin burning of ‘Cameo’ apples as influenced by controlled atmosphere storage|
Apples - Effect of atmospheric carbon dioxide on
Apples - Preservation
|Abstract:||Cameo apples stored under high CO2 levels suffer from “skin burning”. Accordingly, this study is aimed to correlate the incidence of skin burning with different polyphenols. After harvest, apples were sorted into bad- and good-colored fruit and further stored under either high (3%) or low (0.7%) CO2 level. At frequent intervals, fruit were assessed for incidence of skin burning and relative concentrations of various polyphenols. Results clearly show that bad-colored apples stored under high CO2 level had the highest incidence percentage. Concerning the polyphenol profile, good-colored and healthy apples had significantly higher concentrations of certain polyphenols, including cyanidin-3-galactoside and rutin. However, bad-colored and injured apples had significantly higher concentrations of another set of polyphenols, including phloridzin, epicatechin, and (epi)catechin→(epi)catechin isomers. Taking into account that quercetins and cyanidins account for more than 80% of antioxidants, it is logical to assume that these polyphenols might give protection to good-colored apples against skin burning.|
|Appears in Collections:||Fulltext Publications|
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