GÖKKUŞAĞI ALABALIĞI (Oncorhynchus mykiss, Walbaum 1792) FİLETOLARININ MUHAFAZASI SIRASINDA KİMYASAL VE DUYUSAL KALİTESİ ÜZERİNDE DOĞAL KORUYUCU MADDELERLE ZENGİNLEŞTİRİLMİŞ KİTOSAN YENİLEBİLİR KAPLAMALARIN ETKİLERİ

Year 2018, Volume: 13 Issue: 4, 182 - 191, 14.10.2018

Özlem Emir Çoban , Ayşe Gürel İnanlı Burcu Çelik Songül Yüce

Abstract

Bu çalışmada, %1 yabanmersini ve %1 gojiberry
ekstraktı eklenmiş kitosan kaplamalı gökkuşağı alabalığı filetolarının (8°C)
depolama sırasında kimyasal ve duyusal değişimleri araştırılmıştır. Uygulamalar
C1:Kontrol, C2:Kitosan, C3:Kitosan +%1 a/h yabanmersini ekstraktı, C4:Kitosan
+%1 w/v gojiberry ekstraktı olmuştur. Muhafaza sırasında, numuneler her üç
günde bir kimyasal (pH, TVB-N, PV ve TBA) ve duyusal (Renk, koku, görünüş,
genel kabul edilebilirlik) olarak analiz edildi. Muhafaza süresi boyunca C3 ve
C4 grupları C1 ve C2 gruplarına göre daha düşük pH, PV, TBA ve TVB-N değerleri
gösterdi. Duyusal sonuçlar kimyasal sonuçlarla paraleldir.

Keywords

Kitosan Kaplama, Doğal Koruyucular, Kimyasal Kalite, Duyusal Kalite, Gökkuşağı Alabalığı

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