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Dietary intake surveillance of radioactive and non-radioactive nuclides for Ukrainian subjects living areas contaminated by the Chernobyl accident
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From the viewpoints of radiation protection, nutrition and public health,. Environmental studies has been made after the Chernobyl accident. In the studies, the relationship of radioactive and non-radioactive nuclides in food chains is important for understanding their environmental behaviors. Non-radioactive nuclides such as I, Cs, Sr, Ba, Zn, Fe, Co, and Mn are worth noting stable isotopes of fission and activation products. Therefore, it is necessary to collect information on dietary mineral intake to quantify the background level in Ukrainian subjects.
In the present report, daily intakes of eighteen elements in Ukrainian subjects were estimated in relation to the health effects on habitants after the Chernobyl accident. Total diets were collected from one hundred twenty-three locations (the Kiev, Rivno, and Zitomir regions) for children and adult males in 1997-2002 by a duplicate portion method. Elements were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES) or inductively coupled plasma mass spectrometry (ICP-MS).
The intakes of Br, Cu, I, Mn, and Zn in Ukrainians were lower than those of Japanese and worldwide reported values. The intake of K, alkaline earth metals had a higher tendency in Ukrainian. High correlation factors (r) were found between the some element pairs. There are possibilities that these pair elements behave in the same manner in the food chain. Collecting those relationships in diets should be a base for comparison in future work on countermeasure after accidents, nutrition and health studies. Now the research area in the Ukraine is being expanded to clarify Ukrainian values of the dietary mineral intake. Back ground values in all Ukrainian territory will be estimated in the near future.
Dietary intake surveillance of radioactive and non-radioactive nuclides for Ukrainian subjects living areas contaminated by the Chernobyl accident
