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EXTEND POSTHARVEST FRUITS QUALITY OF SOME SWEET CHERRY AND SOUR CHERRY CULTIVARS, USING CONTROLLED ATMOSPHERE

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Author(s): Temocico Georgeta | Eugenia Alecu | Iulian Alecu

Journal: Scientific Papers of the Research Institute for Fruit Growing Pitesti, Romania
ISSN 1584-2231

Volume: XXVII;
Start page: 100;
Date: 2011;
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Keywords: Prunus avium L. | cultivar | storage | biochemical composition | fruit quality

ABSTRACT
The objective of this study was to evaluate the use of controlled atmospheres (CA) to extend postharvest fruit quality of fresh sweet and sour cherry cultivated in some areas of South-eastern part of Romania. Fruits were harvested at an export maturity stage and packed in a 5-kg wooden box with a perforated polyethylene liner. Fruits were stored in three experimental conditions: 1 - chilly rooms (V1, V4), 2 - cold storage and normal atmosphere (V2, V5), 3 - cold storage and controlled atmosphere (V3, V6). The V0 variant is the stage immediately after harvest of the fresh fruits, when the fruits are perfectly balanced for fresh consumption. Fruit samples were evaluated at harvest, after 5 days of storage in chilly rooms, 20 days of in cold storage with normal atmosphere, and after 45 days of storage in controlled atmosphere. A sensory evaluation was conducted with a trained panel of 6 members, evaluating the general aspect and taste of fruits. For each trial, there was made specific determinations concerning: level of mass loss, evolution of main biochemical components of fruits (total solids, total sugar, total acidity and ascorbic acid).The cold storage in controlled atmosphere resulted in the best fruit quality, with beneficial effects on general aspect and taste. The primary benefits of the use of CA for cherries were on the good balance in evolution of main biochemical components of fruits.
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