[The characteristics of the biological efficacy of food allowances]. / K kharakteristike biologicheskoi éffektivnosi pishchevykh ratsionov.

Significance of food as resource of antioxidants and antiradical components arising under effect of a great number of pathological conditions and damage of body is discussed in article. The ways and measures of using of protective peculiarities of food are suggested.

[Correlation of the calculated content of vitamins C, B1, B2 in the diet of school children and students of trade schools and the actual content of them at various times of the year]. / O sootvetstvii raschetnogo soderzhaniia vitaminov C, B1, B2 v ratsionakh uchashchikhsiia shkol i PTU fakticheskomu v razlichnye sezony goda.

The calculated and factual content of vitamins C, B1, B2 in dietary of schoolchildren and students of trade schools were studied in spring, summer, autumn and winter. The schoolchildren aged 11-13 years, and the students of trade schools aged 14-17 years were included into the study. To calculate the content of vitamins in raw materials and dishes, the normative technical documents and tables of chemical composition of food products were used. Factual content of vitamins in ready products was determined by the methods recommended by the Institute of Nutrition, Academy of Medical Sciences of the USSR. It has been found that in all seasons of the year it provides an average supply with vitamins C 67-8%, B1 65-36%, B2 64-29% of a day's requirement.