Impact of modified atmosphere packaging on fruit quality and postharvest life of ‘0900 Ziraat’ cherries

Öz

The sweet cherry is highly perishable with a restricted storage and shelf-life and in some cases unable to reach the final consumer at optimal eating quality after being transported to the market. For this reason, in this research, the effects of different modified atmosphere packaging materials on postharvest life and fruit quality of ‘0900 Ziraat’ cherries (Prunus avium L.) were investigated to extend storage and marketing period. For this purpose, cherries were stored for 50 days at 0°C temperature with 90-95% relative humidity in three different types of packaging materials. The first group of cherries was packed in micro-perforated Xtend bags (MAP-1). The second group of cherries was packed in ordinary non-perforated polyethylene bags (MAP-2) and the third group of cherries was packed in ordinary perforated polyethylene bags (MAP-3-Control). Fruit samples were taken from different storage rooms at intervals of 10 days and physical and chemical changes were determined in the fruits. Experiment results showed that the lowest weight losses were obtained on the cherries stored in MAP-1. The cherries stored in MAP-2 had higher soluble solids content. Titratable acidity increased during the first 10 days of storage and then decreased. The fruit stored in MAP-1 had the highest flesh firmness, titratable acidity, L*, C* and taste values. The most effective MAP treatment for controlling pitting and stem browning was MAP-1. It can be concluded that ‘0900 Ziraat’ cherry fruits were successfully stored at 0°C temperature and 90-95% RH up to 50 days in MAP-1.

Anahtar Kelimeler

• 0900 Ziraat,Cherry,Modified atmospher packaging,Postharvest,Quality

Modifiye atmosferde paketlemenin ‘0900 Ziraat’ kiraz çeşidinin meyve kalitesi ve derim sonrası ömrü üzerine etkileri

Öz

Kiraz meyveleri sınırlı muhafaza ve raf ömrü nedeniyle bozulmalara karşı oldukça hassastır ve bazı durumlarda pazarlama sonrası nihai tüketiciye optimum yeme kalitesinde ulaşamamaktadır. Bu nedenle, bu çalışmada, muhafaza ve pazarlama periyodunu uzatmak amacıyla, ‘0900 Ziraat’ kiraz (Prunus avium L.) çeşidinin derim sonrası ömrü ve meyve kalitesi üzerine modifiye atmosferde muhafazanın etkileri belirlenmiştir. Bu amaçla kirazlar 3 farklı modifiye atmosfer ortamında 0°C sıcaklık ve %90-95 oransal nemde 50 gün süreyle muhafaza edilmişlerdir. Çalışmada birinci grup kirazlar Xtend® marka torbalar (MAP-1) içerisinde, ikinci grup meyveler deliksiz polietilen torbalarda (MAP-2),  üçüncü grup kirazlar ise delikli polietilen torbalar (MAP-3-Kontrol) içerisinde paketlenmiştir. Farklı muhafaza ortamlarından 10 gün aralıklarla meyve örnekleri alınmış ve meyvelerde farklı fiziksel ve kimyasal değişimler belirlenmiştir. Çalışmada en düşük ağırlık kaybı MAP-1 ortamında depolanan kirazlarda tespit edilmiştir. MAP-2 ortamında muhafaza edilmiş kirazlar en yüksek suda çözünebilir kuru madde miktarına sahip olmuşlardır. Titre edilebilir asitlik değerleri muhafazanın ilk 10 gününde artmış, daha sonra ise azalmıştır. En yüksek meyve eti sertliği, titre edilebilir asitlik, L*, C* ve tat değerleri MAP-1 ortamında depolanan kirazlarda tespit edilmiştir. Piting ve sap kararmasının kontrol altına alınmasında en etkili MAP uygulaması MAP-1 olarak belirlenmiştir. Sonuç olarak, ‘0900 Ziraat’ kiraz çeşidine ait meyveler 0°C sıcaklık ve %90-95 oransal nemde 50 gün süreyle MAP-1 ortamında başarılı bir şekilde muhafaza edilmişlerdir.

Anahtar Kelimeler

• 0900 Ziraat,Kiraz,Modifiye atmosfer,Muhafaza,Kalite

Kaynakça

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