MICROELEMENT STATUS OF THE ORENBURG REGION POPULATION

Abstract

The aim of the paper is to study the features of the microelement status of the population of the Orenburg region and to establish the distribution limits of geographical and ecological pathology. Methods. The content of chemical elements in the hair was estimated by atomic emission and mass spectrometry using an Elan 9000 mass spectrometer and an Optima 2000 V atomic emission spectrometer in the laboratory "Center for Biotic Medicine" (Moscow). Statistical data processing was carried out by means of programs MS Excel and STATISTICA version 6.1. Shapiro-Wilk's test was used to assess data normality. Results. It was found that the zinc content in the hair of men living in the east of the region is higher than in men living the Central and Western zones - 1.6 and 1.3 times, respectively. The zinc content in the hair of women in the Eastern zone is 1.9 times and 1.5 times higher than in the Central and Western zones, respectively. The copper content in the hair of residents of the Central and Eastern zones exceeded the values of the Western zone by 10 % (p = 0.016) and 20 % (p < 0.001), respectively. The obtained reference values of cadmium and lead in the hair of the inhabitants of the Eastern Zone exceeded the corresponding all-Russian values. The ranking ratio of the territories of the Volga Federal District and the Ural Federal District located on the border with the Orenburg region shows Zn deficiency among the male population of Orenburg (rank 14). Maximum levels of Cu (rank 2), Cd and Pb (rank 3, 4) for PFD are found in hair of women of the Orenburg region. Conclusion. The prosperous regions for the studied elements are the Republic of Bashkortostan, the Samara Region and the Republic of Tatarstan. The adverse regions include the Orenburg and Chelyabinsk regions.