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Title: Quality and biochemical changes of sweet cherries cv. Regina stored in modified atmosphere packaging
Authors: Harb, Jamil
Saquet, Adriano
Bisharat, Riyad
Streif, Josef
Keywords: Sweet cherry - Storage
Issue Date: 2006
Abstract: Biochemical and quality changes of sweet cherries cv. Regina were assessed over three consecutive years after storage in different modified atmosphere packaging (MAP) liners, with or without hydrocooling, compared to regular atmosphere (RA) storage. All plastic liners used in the experiment resulted in CO2-enrichmentand °2-reduction inside packages, with the following impact on fruit quality after five weeks of storage: improved retention of fruit firmness and red color of skin, no significant effect on acidity and total soluble solids, and minimalloss of fruit weight. Fruit decay was absent under both storage conditions (RA and MAP), probably due to rain-protected cultivation of cherry trees. Sta1ksofMAP-fruits remained fresher than control fruits, obviously due to higher relative humidity condition inside packages. MA-packaged cherries were preferred by the taste panel, while cold-stored fruits were criticized due to flat and slightly bitter taste. The ATP concentration in air stored fruits was higher than in MA-packaged fruits, while ADP level was higher in MA-packaged fruits. Further, MA-pacfed sweet cherries exhibited higher antioxidant potential and ascorbic acid content than air-stored fruits. Moreover, hydrocooling did not cause any significant effect compared to nontreated fruits.
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