Journals / Tarım Bilimleri Dergisi / 2011 / Cilt: 17 - Sayı: 1

Vakum paketlenmis istavritin soğuk depolamadaki kalitesi üzerine Pediococcus spp.’un etkisi

Effects of Pediococcus spp. on the quality of vacuum-packed horse mackerel during cold storage

Pages
59–66
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Therefore, it was concluded that sensory quality of treated samples were better, but Pediococcus strains used in this study were not proper for preserving horse mackerel fillets especially at low storage temperatures.

📌 3 Key Takeaways

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Objective & Hypothesis:Horse mackerel (Trachurus trachurus, Linnaeus 1758) fillets were inoculated with bacteriocin-like metabolite producer (Group A) and non-producer (Group B) strains of Pediococcus spp. (7 log CFU $g^ {-1}$), then samples were vacuum packaged and stored (4°C 10 day$s^ {-1}$). pH values did not display differences between the groups (P>0.05).
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Key Findings & Data:TVB-N and TMA-N values, total mesophilic and psychrophilic aerobic bacteria counts of all groups (Control, A and B) increased rapidly (TVB-N: 30.15, 33.86, 34.65 mg 100$g^ {-1}$; TMA-N: 11.63, 13.07, 13.20 mg 100$g^ {-1}$; mesophilic aerobic bacteria: 6.02, 6.30, 5.94 log CFU g-1; psychrophilic aerobic bacteria: 6.30, 6.24, 6.09 log CFU $g^ {-1}$), and exceeded the limits at the $2^ {nd}$ day of storage.
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Conclusion & Impact:Therefore, it was concluded that sensory quality of treated samples were better, but Pediococcus strains used in this study were not proper for preserving horse mackerel fillets especially at low storage temperatures.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Horse mackerel (Trachurus trachurus, Linnaeus 1758) fillets were inoculated with bacteriocin-like metabolite producer (Group A) and non-producer (Group B) strains of Pediococcus spp. (7 log CFU $g^ {-1}$), then samples were vacuum packaged and stored (4°C 10 day$s^ {-1}$). pH values did not display differences between the groups (P>0.05). TVB-N and TMA-N values, total mesophilic and psychrophilic aerobic bacteria counts of all groups (Control, A and B) increased rapidly (TVB-N: 30.15, 33.86, 34.65 mg 100$g^ {-1}$; TMA-N: 11.63, 13.07, 13.20 mg 100$g^ {-1}$; mesophilic aerobic bacteria: 6.02, 6.30, 5.94 log CFU g-1; psychrophilic aerobic bacteria: 6.30, 6.24, 6.09 log CFU $g^ {-1}$), and exceeded the limits at the $2^ {nd}$ day of storage. However, sensory scores of the inoculated samples were higher than that of the controls during the storage. Sensory qualities of group A and B samples were acceptable until the $6^ {th}$ day, while control samples spoiled at the $4^ {th}$ day. Therefore, it was concluded that sensory quality of treated samples were better, but Pediococcus strains used in this study were not proper for preserving horse mackerel fillets especially at low storage temperatures.

Özet

İstavrit (Trachurus trachurus, Linnaeus 1758) filetoları bakteriosin-benzeri metabolit üreten (A grubu) ve üretmeyen (B grubu) Pediococcus spp. ile inoküle edilmis (7 log kob $g^ {-1}$), ve daha sonra vakum paketlenerek depolanmıstır (4°C 10 gün-1). Gruplar arasında pH değerinde önemli farklılık görülmemistir (P>0.05). Tüm deneme gruplarının (Kontrol, A, B) TVB-N, TMA-N değerleri ile toplam mezofil ve psikrofil bakteri yükleri hızla artarak (TVB-N: 30.15, 33.86, 34.65 mg 100$g^ {-1}$; TMA-N: 11.63, 13.07, 13.20 mg 100$g^ {-1}$; toplam mezofil aerob bakteri: 6.02, 6.30, 5.94 log kob $g^ {-1}$; toplam psikrofil bakteri: 6.30, 6.24, 6.09 log kob $g^ {-1}$) kabul edilebilir limit değerleri depolamanın 2. gününde asmıstır. Ancak inoküle edilmis grupların duyusal puanları depolama süresince kontrol grubundan daha yüksektir. Depolamanın 6. gününe kadar A ve B grupları duyusal bakımdan kabul edilebilirken, kontrol örnekleri 4. günde bozulmustur. Böylece inoküle edilmis örneklerin duyusal bakımdan kontrol grubundan daha iyi olduğu, fakat kullanılan Pediococcus spp.’un istavrit filetolarının özellikle düsük sıcaklıkta muhafaza edilmesi konusunda yeterli olmadığı sonucuna varılmıstır.

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Cite This Article

ALAKAVUK, U. D., COSANSU, S., MOL, S., TOSUN, S. Y. (2022). Vakum paketlenmis istavritin soğuk depolamadaki kalitesi üzerine Pediococcus spp.’un etkisi. Tarım Bilimleri Dergisi, Cilt: 17 - Sayı: 1, 59–66. https://ajindex.com/articles/595086

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