DETERMINATION OF MERCURY, LEAD, CADMIUM, COPPER, IRON AND MANGANESE IN SHEEP, COW AND CHICKEN LIVER SAMPLES IN TURKEY

Abstract

Liver is the most important organ involved in metabolic processes and is considered to be one of the most eloquent witnesses of any disturbance in the body. The aim of the present study is to determine mercury, lead, cadmium, copper, iron and manganese levels in sheep, cow and chicken liver samples by cold vapor atomic fluorescence spectrometry and/or flame atomic absorption spectrometry after open digestion. The accuracy of the method was confirmed by analysis of standard reference material (BCR CRM 422 Cod Muscle). Levels of copper in the sheep and cow of 640–675 mg kg-1 were the highest in the animal livers examined. Chicken liver samples were found to contain the highest amount of the mercury and manganese analyzed. The concentration of other metals in liver samples were found in the range of 17.2–402 µg kg-1 for mercury, 117–411 mg kg-1 for iron and 30.2–140.9 mg kg-1 for manganese. 

Keywords

• Liver
• heavy metal
• sheep
• cow
• chicken
• flame atomic absorption spectrometry
• digestion

TÜRKİYE'DEKİ KOYUN, DANA VE TAVUK KARACİĞER ÖRNEKLERİNDE CIVA, KURŞUN, KADMİYUM, BAKIR, DEMİR VE MANGAN TAYİNİ

Abstract

Karaciğer, metabolik süreçlerde yer alan en önemli organ olup, vücudun herhangi bir rahatsızlığının en belirgin tanıklarından biri olarak değerlendirilir. Bu çalışmanın amacı, koyun, dana ve tavuk karaciğer örneklerindeki cıva, kurşun, kadmiyum, bakır, demir ve mangan seviyelerini yaş yakma ile bozundurmanın ardından soğuk buhar atomik floresans spektrometresi ve / veya alevli atomik absorbsiyon spektrometresi ile tayin etmektir. Yöntemin doğruluğu, standart referans materyalin (BCR CRM 422 Morina balığı kası) analizi ile ispatlanmıştır. İncelenen hayvan karaciğerlerinden koyun ve danada bakır seviyesi 640–675 mg kg-1 aralığında bulunmuştur. Cıva ve mangan ise tavuk karaciğer örneklerinde en yüksek miktarda bulunmuştur. Karaciğer örneklerinde diğer metallerin derişimleri sırasıyla cıva için 17.2–402 μg kg-1, demir için 117–411 mg kg-1 ve mangan için 30.2–140.9 mg kg-1 aralığında bulunmuştur. 

Keywords

• Karaciğer
• ağır metal
• alevli atomik absorbsiyon spektrometresi
• bozundurma

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