Aims of the performed studies included working out a technique of determining representative rations on the basis of questionnaire studies on school children in Wielkopolska west region of Poland. The reconstructed representative daily food rations provided grounds for analytic studies. The studies were performed in the four seasons of the year. The studied food rations failed to cover the recommended daily intake of Mg and Ca. On the other hand, the daily intake of P transgressed the food norms. The inadequate Ca to Mg and Ca to P ratios were interpreted as deserving special concern when confronted with the market situation in Poland and as creating particular health hazards for the studied school children. The employed statistical analysis demonstrated that the suggested technique of determining representative rations may be employed in evaluation of Mg, Ca and P intake.

The study aimed at estimation of representative rations for the purpose of laboratory reconstruction of the rations on the basis of questionnaire studies in principal socio-economic groups in the Wielko-polska region. The reconstructed representative rations provided material for analytical studies. Sex of individuals and the four seasons of the year were taken into account. In all studied groups, daily food ratios covered lower proportions of recommended dietary allowances for Fe in females than in males. The food rations covered recommended dietary allowances for Fe only in physical or mental male workers. The improper relations between Fe and energy content in food rations of women at the reproductive age were found to deserve a serious concern. Statistical analysis of the results demonstrated that the suggested way of determining representative rations may serve to evaluate Fe nutrition of pre-school children, children of primary schools, university students, mental and physical workers and of retired workers.

No abstract

No abstract

No abstract