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eLABa objektas: "Maisto produktuose esančių sunkiųjų metalų ir radionuklidų analizė", 2008,D:20080408:090630-27875 |
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Lietuvos veterinarijos akademija - Mokslinį laipsnį teikianti institucija
Analysis of heavy metals and radionuclides present in food products
The purpose is to analyze the heavy metals and radionuclides encountered in food products, and to compare this data with the legal acts of the Republic of Lithuania and the European Union; to do the statistical analysis of monitoring results (1998-2006) of heavy metals and radionuclides; and to compare the results to the regulated norms of the heavy metals and radionuclides. |
There was done the analysis of the literature’s data on the mode, how heavy metals and radionuclides get into the organism and affect the human health. The legal regulation of the heavy metals and radionuclides in the LR and EU was discussed together with the monitoring data found in the literature on the heavy metals and radionuclides. |
The information and research material (data on the amount of undesirable remains, including heavy metals and radionuclides) were received from the National Laboratory of Veterinary. Their statistical analysis was done with the help of SPSS statistical package (SPSS Inc, 1995-2007). |
According to the data analysis, the biggest amounts of lead were found in 1998 (researches were done in 1998-2004). In some samples (fowl, fish) the lead’s norm was exceeded from 2 to 5 times. The biggest amount of lead was encountered in milk samples in 1998. Among 13 analyzed samples, 11 had the lead’s norm exceeded 10 times (0,11 – 0,2 mg/kg) when the norm is 0,02 mg/kg. In 1998 a lot of lead was found in game; the norm was exceeded in all 39 samples, but in ten of them there was extremely much lead – 0,51 – 2,5 mg/kg, when the norm is 0,1. The amounts of lead exceeding the norm (1998-2004) were found in cattle’s liver, kidneys, pigs’ kidneys and liver, and in milk. |
In all samples analyzed in 1998 the amount of cadmium exceeded the norm 4 times. During the monitoring period the majority of it was found in cattle’s kidneys, liver, pigs’ kidneys and liver. |
The researches on the radionuclides’ amounts were done in 1999-2004. There was found no radionuclides in any of samples. |
Raktažodžiai: heavy metals, radionuclides, food products |