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REGIONAL FEATURES OF THE CONTENT OF ZINC IN THE SOIL, PRODUCTS OF PLANT AND ANIMAL ORIGIN (FOR THE EXAMPLE OF THE REPUBLIC OF TATARSTAN)


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Abstract

The paper presents the data of the regional characteristics of the zinc content in the soil, products of plant and animal origin in the territory of the Republic of Tatarstan. The soil on the territory of the republic is established to be characterized by low values of the gross content of zinc (from 53.6 to 67.7 mg / kg of dry soil) and mobile forms of zinc (from 9.75 to 12.4 mg / kg of dry soil). This demonstrates the deficiency of this important trace element in the soil. The zinc content in animal products from 20 to 89% less than the average for the reference data, in plant products - from 10% to 360%. The study of nutrition found that the share of diets with normal zinc content is in men - 27.5%, in women - 22.5%. The average value of zinc in the blood serum of the population living on the territory of the Republic of Tatarstan, was 490 ± 40.7 ug / l. This is below the norm. The deviations from the recommended values are observed in all groups, regardless of their level of physical activity. Zinc status of surveyed persons has been below the norm in 80% of cases.


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