Effect of Different Modified Atmosphere Packagings (MAP) on Bioactive Compounds of Kiwifruit (Actinidia deliciosa cv. Hayward)

Abstract

This study was carried out to determine the effects of different modified atmosphere packaging (MAP) (Xtend, Aypek, Fresh and Fresh Plus) on total phenolics, total flavonoids and antioxidant activity (DPPH and FRAP assay) of ‘Hayward’ cultivar during cold storage and shelf life. Fruit of control were without the MAP. Kiwifruits were stored at 0±0.5°C and 90±5% RH during 180 days, and at 21°C and 70% RH for shelf life (5 days). Total phenolic compounds, total antioxidant and total flavonoid content of all treatments decreased during cold storage and shelf life. Bioactive compounds of MAP treated-fruits were higher than control during cold storage and shelf life. MAP treatments maintained fruit quality during cold storage and shelf life. As a conclusion, Fresh and Xtend was generally more effective than other MAP treatments during cold storage and shelf life.

Keywords

• Antioxidant,DPPH,flavonoids,total phenolic compounds

Kivi (Actinidia deliciosa cv. Hayward) Meyvesinin Biyoaktif Bileşikleri Üzerine Farklı MAP Uygulamalarının Etkisi

Öz

Bu çalışma soğukta muhafaza ve raf ömrü süresince ‘Hayward’ kivi çeşidinin toplam fenolik bileşikler, toplam flavonoid ve antioksidan aktivitesi (DPPH ve FRAP testine göre) üzerine farklı MAP (Xtend, Aypek, Fresh ve Fresh Plus) uygulamalarının etkisini belirlemek amacı ile yürütülmüştür. Kontrol meyvelerine MAP uygulanmamıştır. Meyveler, 0±0.5 °C ve % 90±5 nemde koşullarda 180 gün süre ile muhafaza edilmiştir. Raf ömrü ölçümleri, 5 gün boyunca 21±1.0 °C ve %70±5 nemde muhafaza edilen meyvelerde yürütülmüştür. Soğukta muhafaza ve raf ömrü süresince tüm uygulamalarda toplam fenolik, toplam antioksidan aktivitesi ve toplam flavonoid içeriği azalmıştır. Soğukta muhafaza ve raf ömrü süresince biyoaktif bileşikler tüm MAP uygulamalarında kontrole göre daha yüksek bulunmuştur. Sonuç olarak, soğukta muhafaza ve raf ömrü süresince biyoaktif bileşikler üzerine genel olarak Fresh ve Xtend uygulamalarının diğer MAP uygulamalarına kıyasla daha etkili olduğu tespit edilmiştir. 

Anahtar Kelimeler

• Antioksidan,DPPH,flavonoid,toplam fenolik bileşikler

Kaynakça

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