recommendations covering the amounts of individual food ingredients (energy, mineral, vitamins), which should be delivered to a healthy human body over the course of a day, depending on his gender, century, the type of work performed, physiological state (pregnancy, feeding), plus an appropriate safety margin. Nutritional norms correspond to the recommended daily rations of food products.
In Poland, nutritional standards are developed by the Food and Nutrition Institute. They include 18 population groups: 4 groups of children aged from 1 do 12 years, po 2 groups of girls and boys aged from 13 do 20 years, 4 groups of men (differentiated according to the type of work performed), 5 groups of women(differentiated according to the type of work performed and physiological state) and 1 a group of people over the age of 65 years. For each of 18 groups, nutritional standards determine the energy value of daily food and the amount: total protein and animal protein, fats, carbohydrates, calcium, iron, phosphorus, magnesium, iodine, as well as vitamins: A, B1, B2, PP, C, D, E, B6, B12 and folic acid.
Selected, for example, nutritional standards for three out of eighteen – population groups are as follows:
children from 1 do 3 years – 5400 kJ (1300 kcal),45 g of protein (including 25…35.g białka zwierzęcego), 45…50 g fats, 180… 165 g of carbohydrates, 1 g of calcium, 7 mg of iron, 2000 j.m. wit. A, 0,6 mg wit. With a,0,9 mg wit. B2,
6 mg wit. PP, 35 mg wit. C;
men moderately active -13 500 kJ (3200 kcal), 85 g of protein (including 28…55 g of animal protein), 90…125 g fats, 180… 165 g of carbohydrates, 1 g of calcium, 7 mg of iron, 2000 j.m. wit. A, 0,6 mg wit. B1, 0,9 mg wit. B2, 6 mg wit. PP, 75 mg wit. C;
women moderately active -12 000 kJ (2800 kcal), 80 g of protein (including 27…53 g of animal protein), 80…110 g fats, 440…395 g of carbohydrates, 0,8 g of calcium, 12 mg of iron, 5000 j.m. wit. A, 1,7 mg wit. B1, 1,4 mg wit. B2,14 mg wit. PP, 70 mg wit. C.