Sıcak su uygulaması ve modifiye atmosferde paketlemenin Mirella $F _1$ domates çeşidinin muhafaza süresi ve kalitesi üzerine etkileri

Bu çalışmada, pembe olum aşamasında derimi yapılan Mirella F1 domateslerinde sıcak su, modifiye atmosfer paketleme (MAP) ve bunların kombinasyonlarının muhafaza süresine meyve kalitesi ve muhafaza üzerine etkileri araştırılmıştır. Bu amaçla derimi yapılan domatesler 4 gruba ayrılmış, ilk 2 grup domatesler 54 °C sıcaklıktaki suda 5 dakika süreyle bekletilmiş ve daha sonra oda koşullarında kurutulmuştur. Sıcak su uygulanmış domateslerin birinci grubu modifiye atmosfer torbalarda, ikinci grubu ise plastik kasalara yerleştirilerek depolanmıştır. Üçüncü grup domatesler ise yaklaşık 4 kg’lık modifiye atmosfer torbalarında (MAP) ambalajlanmış, son grup domatesler ise kontrol grubunu oluşturmuş ve hiçbir uygulama yapılmadan depolanmıştır. Denemeye alınan domatesler 10 °C ve %90 oransal nem içeren soğuk depolarda 20 gün süreyle muhafaza edilmiştir. 20 günlük muhafaza sonucunda ağırlık kaybının azaltılması, sertlik ve meyve renginin korunmasında modifiye atmosfer torbalar sıcak su ile birlikte kullanıldığında oldukça etkili sonuçlar vermiştir. Modifiye atmosfer torbalarda muhafaza edilen domateslerde solunum hızının diğer uygulamalara göre daha düşük olduğu ve bu domateslerin depolama süresince kalitesinin daha iyi korunduğu belirlenmiştir. Araştırma sonuçları genel olarak değerlendirildiğinde, sıcak su uygulaması ve modifiye atmosfer paketlerde depolama domateslerde kalitenin korunması ve muhafaza süresinin uzatılması için önerilebileceği sonucuna varılmıştır.

The effects of hot water treatment and modified atmosphere packaging on storage and postharvest quality of tomato cv. Mirella $F _1$

In this study, effects of hot water treatment, modified atmosphere packaging and their combined use on quality maintenance and storage period of Mirella F1 tomatoes, harvested at pink stage were investigated. For this aim, the tomatoes were separated into four equal lots, two of which were kept at 54 °C for 5 min and allowed to dry. One lot of hot water treated tomatoes was placed into MAP while the other lot was placed into plastic boxes. The third lot was packed in MAP while the last lot was placed into plastic boxes without treatment and considered as control. All lots were stored at 10 °C and 90% relative humidity for 20 days. At the end of the 20-day-storage, the combined use of hot water and MAP was considerably effective to prohibit weight loss and maintain firmness and fruit color. The respiration rate of the tomatoes stored in MAP was lower than those of other treatments. Considering the overall findings of the study, the combined use of hot water and MAP would be recommended to extend the storage period by maintaining the quality of Mirella tomatoes.

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