Abstract
In this work, we evaluated the risk of contamination of animal products by heavy metals. Samples of animal raw materials were obtained in 2013 in the municipalities of Porac and Matejovce nad Hornádom. Samples of muscle and internal organs were collected from domestic sheep (Ovis aries) reared in the village of Rudnianska burdened area where mercury along with other heavy metals contamination is above the limit value of agricultural soil. Measuring the concentration of heavy metals in the samples was performed in accordance with the general requirements set out in the tenth chapter of the Food Code of the Slovak Republic. Mercury content in biological materials were assessed by total mercury as on the AMA 254 in fresh samples. The other heavy metal content, was determined after wet mineralization (HNO3: H2O - 1: 1) using the device AAS Varian 240 FS. The contamination of the environment showed increased accumulation of heavy metals in the - studiet sheep tissues intended for consumption. Such as Hg content in the kidneys of domestic sheep exceed the limit value by 1.3 times, whereas, in the case of cadmium 3 times exceeding the limit value in meat was recordered. Exceed limit was recorded in the case of lead and copper in the liver.
Highlights
In t his work, we evaluat ed t he risk of cont aminat ion of animal product s by heavy met als
Long-serving deposition of soil to grow crops, or as permanent grassland, imissions of heavy metals leads to its deterioration and load (Kabata - Pe nda 2001)
AIM O F THE WO RK T he aim of the work was to clarify the burden of animal products with heavy metals in polluted area
Summary
We evaluat ed t he risk of cont aminat ion of animal product s by heavy met als. Samples of muscle and internal organs were collected from domestic sheep (Ovis aries) reared in the village of Rudnianska burdened area where mercury along with other heavy metals contamination is above the limit value of agricultural soil. T he other heavy metal content, was determined after wet mineralization (HNO3: H2O - 1: 1) using the device AASVarian 240 FS. The contamination of the environment showed increased accumulation of heavy metals in the - studiet sheep tissues intended for consumption. Such as Hg content in the kidneys of domestic sheep exceed the limit value by 1.3 times, whereas, in the case of cadmium 3 times exceeding the limit value in meat was recordered.
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