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  • Title: Cadmium measurements in blood and hair of occupationally non-exposed military recruits and in the foods of plant origin produced in Slovenia.
    Author: Erzen I, Zaletel Kragelj L.
    Journal: Croat Med J; 2003 Oct; 44(5):538-44. PubMed ID: 14515409.
    Abstract:
    AIM: To determine cadmium content in the most frequently consumed foods of plant origin grown in different regions of Slovenia, assess cadmium content in the biological materials (blood and hair) from Slovenian young men, and verify the hypothesis that the cadmium pollution of the environment varies across regions in Slovenia. METHODS: We analyzed cadmium concentration in 982 composite samples of foods of plant origin, and determined the cadmium burden in the population by analyzing cadmium content in whole blood and hair samples from 742 randomly selected healthy men aged 18-26 years. RESULTS: There were significant differences in cadmium content in the analyzed foods with respect to the regions in Slovenia where were the foods of plant origin were produced (p<0.001). The median cadmium content in 463 blood specimens was 0.5 microg/L, and 4 ng/g in 245 hair specimens. Cadmium content in the blood and hair samples from study participants varied significantly across regions in Slovenia (p<0.001 and p<0.003, respectively). Cadmium content in foods of plant origin and cadmium burden in the blood showed only a weak correlation (Spearman's r=0.13), whereas the correlation between cadmium content in the foods and hair was much stronger (Spearman's r=0.55). CONCLUSION: Our research confirmed the hypothesis of regionally different environmental pollution with cadmium, and clearly showed the connection between cadmium burden in foods and in population in Slovenia.
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