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The Effect of ULO and NA Storage on Changes in the Quality of Apple Fruit (Malus domestica Borkh.) during Shelf Life

Koricanac, A.; Miletic, N.; Popovic, B.; Mitrovic, O.; Lukic, M.; Pesakovic, M.; Tomic, J.

Agronomy-Basel 10(1): 25

2020


DOI: 10.3390/agronomy10010025
Accession: 070986155

In order to preserve the quality of apple fruit, it is crucial to choose the most suitable storage technology. Nevertheless, it is also important to maintain the quality of apples during the shelf life period. In this study, changes in various biochemical quality parameters of 'Golden Delicious' and 'Idared' apples during a prolonged shelf life period, after conventional normal atmosphere (NA) and ultra-low oxygen (ULO) storage, were investigated. After the harvest, the fruit of examined cultivars were stored in two atmospheres for six months. Weight loss, changes in content of sugars, organic acids, total phenols, total flavonoids, pectic fractions, and antioxidant capacity were monitored. Samples were evaluated immediately after removal from the cold chambers and after 10 and 20 days of shelf life at 20 degrees C. 'Golden Delicious' apples stored in ULO exhibited better qualitative characteristics during 20 days of shelf life compared with apples of the same cultivar stored in NA. However, evaluated traits in 'Idared' apples from NA chambers were of higher quality in comparison with 'Idared' apples stored in the ULO atmosphere.

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