Çalışmada,
Karadeniz-Sinop Bölgesinde yetiştirilen midyeler (Mytilus galloprovincialis, L. 1819) kabuklarından ayrılıp, bysuss
ipliklerinden temizlenerek modifiye atmosfer paketleme (MAP) ve (%75CO2+%25N2)
vakum ile paketlenip 4 ±2°C’de 21 gün boyunca muhafazaya alınmıştır. Depolama
süresince fiziksel, kimyasal, duyusal ve mikrobiyolojik analizler yapılarak
midyelerin raf ömrünün tespiti amaçlanmıştır. Tüm analiz sonuçlarına göre vakum
paketlemenin modifiye atmosfer (MA) ile paketlemeye göre midye eti kalitesi üzerinde
daha etkili olduğu (p<0.05) ancak vakum grubunda ağırlık kaybının basınçtan
dolayı daha fazla olduğu tespit edilmiştir (p<0.05). Total uçucu bazik azot
(TVB-N), Trimetilamin-azot (TMA-N), Tiyobarbütirik asit (TBA) ve duyusal
analiz ile toplam psikrofil ve toplam mezofil bakteri sonuçları birbirleri ile
uyumlu bulunarak; MA ile paketlenen grubun 15. günde, vakum ile paketlenen
grubun 21. günde “tüketilemez” olduğu tespit edilmiştir (p<0.05). Toplam
koliform bakteri yükü her iki grupta da depolama süresince sınır değerler arasında
kalmıştır. Midyenin “tüketilebilir” olduğu günler MAP grubu için 12 gün, vakum
grubu için 18 gün olarak tespit edilmiştir.
Midye (Mytilus galloprovincialis L. 1819) Modifiye atmosfer paketleme Vakum paketleme Raf ömrü Soğuk muhafaza
In this study, mussels cultivated in the Black Sea-Sinop region which
were taken of crusts and cleaned from byssus (Mytilus galloprovincialis, L. 1819) were divided two groups. First
group was packaged with modified atmosphere packaging (MAP) (%75CO2+%25N2)
while the second group by vacuum packing and then both of them were stored at
refrigerator temperature (4 ±2°C) for 21 days. It is aimed to determine the
shelf life of mussel by physical, sensory, chemical, microbiological analysis
during the storage period. According to the results, the quality of mussel’s
meat was better in vacuum packaging than MAP but the weight loss was higher at
vacuum packaging because of pressure. Results of total volatile basic-nitrogen
(TVB-N), trimethylamine-nitrogen (TMA-N), thiobarbituric acid (TBA), sensory
analysis and the number of psychrophilic and mesophilic bacteria were similar
and it was determined that the mussels became inconsumable at 21th
day and 15th day in vacuum packed and MAP group, respectively
(p<0.05). During the period of storage, the number of coliform bacteria was
between the limit values. The consumable period of mussel was found as 12 day
and 18 day for MAP and vacuum group, respectively.
Mussel (Mytilus galloprovincialis L. 1819) Modified atmosphere packaging Vacuum packaging Shelf life Cold storage
Journal Section | Articles |
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Authors | |
Publication Date | September 6, 2015 |
Submission Date | July 22, 2015 |
Published in Issue | Year 2015 |
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