[A study of the intake of zinc, copper and selenium by Moscow preschool children].

The paper presents the results of comprehensive study of the provision of Moscow preschool age children with zinc, copper, and selenium, which involved assessment of their dietary intake of these substances, analysis of the provision with these trace elements by using non-invasive biochemical studies, and examination of the children's physical development and morbidity. Comparison of the data on the levels of zinc, copper, and selenium in the hair, nail, and saliva with scanty data available in the literature leads to the conclusion that Moscow preschool children show subnormal provision with these trace elements, which is not accompanied by clinical symptoms of their deficiency.

[Selenium status of different population groups of the Bashkortostan Republic].

Human selenium status of various groups of Bashkortostan population was studied. Mean serum selenium levels for healthy adults of Ufa, Salavat, Sterlitamak were 98 +/- 11 mg/l (n = 92), 96 +/- 10 mg/l (n = 35), 103 +/- 11 mg/l (n = 20). Serum selenium concentrations for rural populations were found to be smaller: Tolbasy - 84 +/- 13 mg/l (n = 10), Chishmy - 87 +/- 10 mg/l (n = 11), Ufa suburb - 86 +/- 9 mg/l (n = 10).

[Selenium status of healthy children under 1 year of age dependent on the type of feeding].

Selenium status was studied in 70 healthy children under 1 year of age being on breastfeeding or bottle feeding. Selenium status was determined by analysis of selenium in baby's hairs and nails. Selenium was also analyzed in breast milk in course of the lactation and in breast milk substitutes.

[Vitamin and mineral status of the population living in the Sverdlovsk region].

It was found that low nutritional status for vitamin C, B2, beta-carotene, selenium and calcium are most prominent nutritional problem for population of Sverdlovskaja region of Russia. Level of calcium in serum was low in 50% of examined population. The results suggest the necessity of dietary intake and food contamination assessments for this population.

[Effects of multivitamin preparations enriched with Fe, Zn and Se on the selenium status of pregnant women].

Se status of Moscow pregnant women was studied. The 13% decrease of Se up to the 30 week and the stability of GSHPx activity during all period of pregnancy were shown to be typical. No influence was found of the polyvitamine preparation action on Se status of women.