Muhafaza Süresinin Festival' Çilek Çeşidi Meyvelerinde Fiziksel Özelliklere ve Biyokimyasal Bileşimine Etkisinin Belirlenmesi

Özet: Bu araştırmada, Festival çilek çeşidi meyvelerinde 12 gün süreyle polivenilpropilen kutularda +5°C sıcaklık ve %85-90 oransal nem koşullarında muhafaza süresince; fiziksel özellikleri ile şeker ve organik asit gibi fitokimyasal değişimler belirlenmiştir. Muhafaza sonunda, çilek meyvelerinin ortalama ağırlık kaybı ve meyve renk [L, a*, b*] değerlerinde meydana gelen değişimler sınırlı kalmıştır. Meyve sertliği derim zamanında 2.93 N iken, muhafaza sonunda 1.4 Na düşmüştür. Derim zamanı kuru madde miktarı %11.2 iken, muhafaza sonunda %9.95e düşmüştür. Depolama süresinin sonunda, çilek meyve suyunda toplam fenolik madde miktarı 142.55 mg/100 mL ve toplam flavonoid madde miktarı ise 26.16 mg/100 mL olarak saptanmıştır. Festival çilek çeşidi antosiyanin madde miktarında muhafaza süresince düşüşler görülmüş ve muhafaza sonunda 163.71 mg/100 mL olarak belirlenmiştir. Festival çilek çeşidi meyvelerinin 12 gün süreyle PVPP ambalajlarda kalitesinden çok fazla bir şey kaybetmeden muhafaza edilebileceği sonucuna varılmıştır.

Determination of The Effects of Storage Time on Physical Parameter and Biochemical Composition of Festival Strawberry Cultivar

Abstract: In this study strawberry fruit physical quality and phytochemical changes in Festival such as, sugar and organic acid content were investigated during 12 days storage period in polivenilpropilen boxes at the +5oC temperature and 85-90% RH. The fruit mass loss and fruit color [L, a*, b*] changes were not statistically different at end of storage. While fruit firmness was 2.93 N at the harvest time and then it decreased to 1.4 N at the end of storage. Total solible solids content was 11.2% after harvest but it decreased gradually to 9.95% at end of storage. The amount of total phenolic content of strawberry juice and the total amount of flavonoids content were 142.55 mg 100 mL-1 and 26.16 mg 100 mL-1, respectively 12th the day of the storage. Anthocyanin content of Festival strawberry decreased during storage and detected as 163.71 mg 100 mL-1 at the end of storage. The results of the present study showed that Festival strawberry variety can be stored without losses of marketable quality for 12 days.

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Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi-Cover
  • ISSN: 1308-7576
  • Başlangıç: 1991
  • Yayıncı: Yüzüncü Yıl Üniversitesi Ziraat Fakültesi