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[Evaluation of nitrate and nitrite content in diets of preschool children].

The nitrate and nitrite contents in diets of preschool children were evaluated. The meals were taken from one of the kindergarten near Warsaw. Colorimetric method with Griess reagent and cadmium column for nitrates reduction was used. It was seen, that diets contained to much of nitrates and nitrites as to ADI. The main sources of these compound were vegetables, potatoes, meat and meat products and cereals.