[Effectiveness of use in preventive nutrition the food ptoducts with contents of pectin and vitamins].

Daily inclusion in the diet of Pskov GRES workers the drinks or kissels containing 2 g pectin per daily serving (cup) during 6 months was accompanied by a statistically significant decline of their supply with vitamins C, B2, A and beta-carotene. This is reflected both in reducing the average vitamin concentration in blood serum and in the increase of the quota of people with deficiency of several vitamins. Additional inclusion of 13 vitamins in these drinks and kissels, in a dose about 80% of the RDA, has prevented the deterioration of vitamin status.

[The role of nutritional factors in intensive physical activities of sportsmen].

The analysis on the role of major nutrients (proteins, fats and carbohydrates), micronutrients (vitamins and minerals) in a diet of sportsmen is adduced. Requirements for nutrients depend on the volume and intensity of physical exertion during training and competition, not only on the qualifications of sportsmen.

[Substantiation of vitamins and minerals level in fortified foodstuffs].

In the review the analysis of the existing in world practice normative documents that regulate the addition of vitamins and minerals to foods and the substantiation of their level in fortified foodstuffs have been presented. The degree of foodstuffs enrichment with micronutrients (mass or volume of foods containing from 15 to 50 per cent from daily recommended allowance) has been proposed.

[Characteristic of nutrition for young sportsmen].

Contemporary domestic and international experience of forming a diet for young athletes involved in various kinds of sport was considered at the article.

[Classification and characterization of specialized foods for nutrition of sportsmen].

The classification and composition of specialized foods for sportsmen are presented. The perspective of application of contemporary biologically active substance to the development of new foods is discussed for nutrition sportsmen.