Journals / Kafkas Üniversitesi Veteriner Fakültesi Dergisi / 2013 / Cilt: 19 - Sayı: 6

Ticari yumurtalarda nitrofuran AOZ kalıntıları üzerine kaynamanın etkisi

Effects of boiling on nitrofuran AOZ residues in commercial eggs

Pages
1023–1028
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Therefore boiled eggs should be used for analysis of nitrofuran AOZ levels in order to obtain more reliable and more predictive results.

📌 3 Key Takeaways

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Objective & Hypothesis:The aim of this study was to determine the effects of boiling on nitrofuran 3-amino-2-oxazolidinone (AOZ) residues in eggs.
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Key Findings & Data:The nitrofuran AOZ residues in raw and boiled eggs were analysed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) in a chromotographic run of 20 min.
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Conclusion & Impact:Therefore boiled eggs should be used for analysis of nitrofuran AOZ levels in order to obtain more reliable and more predictive results.
🔬Design:Research Article
📍Scope:2002 Verileri
⚙️Variables:Domain Parameters

Abstract

The aim of this study was to determine the effects of boiling on nitrofuran 3-amino-2-oxazolidinone (AOZ) residues in eggs. The use of furazolidone in food-producing animals is banned within the EU and Turkey. The nitrofuran AOZ residues in raw and boiled eggs were analysed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) in a chromotographic run of 20 min. The method validation was done according to the criteria laid down in Commission Decision No. 2002/657 EC. Linearity was proved between 0 to 1.5 &#956;g/kg, decision limit (CC&#945;) was 0.70 &#956;g/kg, detection capability (CC&#946;) was 0.77 &#956;g/kg, recovery values ranged between 88-97.9% and repeatability (CV) was 3-4.3%. The detected avarage nitrofuran AOZ residue level in 13 uncooked eggs by LC-MS/MS was 0.86±0.017 &#956;g/kg which was increased to 2.42±0.037 &#956;g/kg after boiling. In this study, it was surprisingly found that protein-bound side-chain metabolite, nitrofuran AOZ levels in eggs were significantly increased after boiling. This finding runs counter to the claim that heat process in general should decrease various antibiotic levels in food. The observed increase (P<0.001) in nitrofuran AOZ levels in boiled eggs relative to uncooked eggs may be due to enhanced efficiency of extraction in boiled samples. Therefore boiled eggs should be used for analysis of nitrofuran AOZ levels in order to obtain more reliable and more predictive results.

Özet

Bu çalışmanın amacı, yumurtalarda nitrofuran 3-amino-2-okzazolidinon (AOZ) kalıntıları üzerine kaynamanın etkisini belirlemektir. Furazolidonun gıda değeri taşıyan hayvanlarda kullanımı Avrupa Birliği’nde ve Türkiye’de yasaklanmıştır. Çiğ ve haşlanmış yumurtalarda nitrofuran AOZ kalıntıları sıvı kromatografi-tandem kütle spektrometrisi (LC-MS/MS) kullanılarak 20 dakikalık süre içerisinde analiz edilmiştir. Uygulanan yöntemin validasyonu Avrupa Birliği Komisyon Kararı No 2002/657 EC ‘de belirtilen kriterlere göre yapıldı. Doğrusallık 0-1.5 μg/ kg, tayin limiti (CCα) 0.70 μg/kg, tayin kapasitesi (CCβ) 0.77 μg/kg, geri kazanım değerleri %88-97.9, tekrarlanabilirlik (CV) %3-4.3 arasında gerçekleşti. LC-MS/MS ile 13 adet çiğ yumurtada 0.86±0.017 μg/kg miktarında tespit edilen ortalama değer haşlama sonucu bakılan aynı yumurta örneklerinde istatistiki olarak önemli derecede artış göstererek 2.42±0.037 μg/kg ortalama değerlere yükselmiştir. Şaşırtıcı bir şekilde bu çalışmada, kaynamadan sonra yumurta içinde protein-bağlı yan-zincir metaboliti nitrofuran AOZ düzeylerinin arttığı tespit edildi. Bu bulgular genel olarak ısıl işlemin gıdalarda çeşitli antibiyotik düzeylerini azaltması gerektiği iddiası ile ters düşmektedir. Pişmemiş yumurtalara göre haşlanmış yumurtalarda nitrofuran AOZ düzeylerinde gözlenen artış (P<0.001) haşlanmış örneklerde ekstraksiyon etkinliğinin artmasına bağlı olabilir. Bu nedenle nitrofuran AOZ seviyelerinin analizinde daha güvenilir ve anlamlı sonuçlar elde etmek amacıyla haşlanmış yumurtalar kullanılmalıdır.

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Cite This Article

YIBAR, A., OKUTAN, B., GÜZEL, S. (2013). Ticari yumurtalarda nitrofuran AOZ kalıntıları üzerine kaynamanın etkisi. Kafkas Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 19 - Sayı: 6, 1023–1028. https://ajindex.com/articles/272878

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