Biomedical subjects
Publications and source records attributed to M V Shagova.
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.
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). 7-10 years old children of Ufa demonstrated 83 +/- 11 mg Se/l serum and 11-14 years old group - 95 +/- 11 mg/l. Pregnant women serum selenium happened to decrease by 20-30% at the end of the second part of gestation and reached the values of 55-70 mg/l in small settlements. Thus epidemiological data show the possibility of potential selenium deficiency risk for rural pregnant women and 7-10 years old children in Bashkortostan.
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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. The consumption of 30 mkg/day of Se during the pregnancy increased 2 times the GSPHx activity and conserved the serum selenium level.
The intake of trace element selenium by Norilsk citizens was assessed by its levels in the serum, food and soil. It was found that soil and food made in the Norilsk region are rich in selenium, its serum concentration in the population is normal (102 micrograms/l). References to such values for the Moscow and Zaporoje (Ukraine) regions are made. Low selenium levels in the serum may be indicative of pulmonary diseases.
The level of selenium was assayed in the blood and food products to study the providing of the Lithuanian population with this trace element. It was shown that imported wheat containing high levels of selenium played a significant role in providing with this trace element of the population of Lithuania, Estonia and Latvia where home-produced foods are deficient in selenium. The mean level of selenium in the blood serum of the Lithuanian population comprised 90 micrograms/l (96 micrograms/l was most frequent). Selenium consumption was 100 micrograms/man.
Selenium content in the Soviet and imported wheat flour was studied in different regions of the USSR. Regions have been distinguished with high, medium and low level of selenium in wheat flour.