Ayşe Handan DÖKMECİ, Aslı ŞİMŞEK ÖZBEK, Temine ŞABUDAK

Tekirdağ Kıyı Bölgesinden Toplanan Balıklarda Kalıcı Organik Kirleticiler (KOK)

Bu çalışmada, Tekirdağ kıyı bölgesinden toplanan balıklarda, Kalıcı Organik Kirletici (KOK) olanOrganoklorlu Pestisit (OCP) ve Polisiklik Aromatik Hidrokarbonların (PAH) kalıntıları tayin edilmiştir.Yapılan literatür araştırması sonucunda, Tekirdağ kıyı bölgesinde balıklarda OCP ve PAH kalıntılarıtayiniyle ilgili bir çalışmaya rastlanmamıştır. Bu bağlamda, sunulan çalışma ilk defa literatüre sunulmuşolan, özgün bir çalışma niteliğindedir. Tekirdağ kıyı şeridinde belirlenen 4 farklı istasyondan 2018 yılıbahar mevsiminde 4 farklı tür dip balığı; mezgit balığı, dil balığı, tekir balığı, fener balığı örnekleritoplanmıştır. Toplanan her bir balık numunesi, Hekzan: Aseton (1:1) çözeltisiyle, Soxhletekstraksiyonuna tabi tutulmuş ve ardından organik faz kromatografik yöntemle saflaştırılmıştır.Saflaştırılan numunelerde, OCP ve PAH kalıntı analizleri, GC-EDC ve GC-MS cihazları kullanılarakgerçekleştirilmiştir. Elde edilen sonuçlara göre, 4 farklı balık türünde tespit edilen OCP ve PAH kalıntımiktarları, FAO/WHO ve Türk Gıda Kodeksi (TGK) Maksimum Kalıntı Limit (MRL) değerleriylekarşılaştırılmış ve bulunan değerleri MRL değerlerinin altında çıktığı tespit edilmiştir.

Permanent Organic Pollutants in Fish Collected from Tekirdag Coastal Region (POPs)

In this study, residues of Organochlorine Pesticide (OCP) and Polycyclic Aromatic Hydrocarbons (PAH) which are Permanent Organic Pollutants (POPs) were determined in fish collected from Tekirdağ coastal region. As a result of the literature research, no study was found on the determination of OCP and PAH residues in fish in the coastal region of Tekirdağ. In this context, the present study is an original study presented to the literature for the first time. In order to investigate the presence of OCP and PAH residue in Marmara Sea fish species, samples of 4 different bottom fish (sole, whiting, striped red mullet and angler fish) were collected from 4 different stations in the coastal line of Tekirdağ province in the spring of 2018. Each collected fish sample was subjected to Soxhlet extraction with Hexane: Acetone (1: 1) solution and then the organic phase was purified by chromatography. In purified samples, OCP and PAH residue analyzes were performed using GC-EDC and GC-MS devices. According to the results obtained, the OCP and PAH residual amounts determined in 4 different fish species were compared with FAO / WHO and Turkish Food Codex (TGK) Maximum Residual Limit (MRL) values and the values found to be below the MRL values.

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