[Nitrates in cow's milk and in various milk products in the Ukraine].

The results of the investigations conducted have shown that most milk samples analyzed contained from 2 to 55.2 mg/l nitrates (P50 = 27.2 mg/l), dried milk and dry milk mixtures contained from 56.

[The hygienic evaluation of potato treated with the preparation Polikar made from the byproducts of soda manufacture].

It has been shown that Polycar prepared from sodium carbonate byproducts, intended for the treatment of potatoes before its storage, makes for an increase in solanine content, and a decrease in the level of ascorbic acid in potato. Such potato produces a toxic effect on the rat body. A conclusion has been made that Polycar could not be used as an agent for potato treatment.

[Energy demand of track-and-field weight throwers].

In sportsmen-throwers the matinal exchange of rest in conditions of sport gatherings is found to be fairly high. The energy spent in a single training comprised 723--910 kcal in women and 829--975 kcal in men. In these conditions the diurnal energy spent by throwers, was 4000--4500 kcal in women and 4500--5000 kcal in men.