Plants and iron-fortified foods contain nonheme iron only, whereas meat, seafood, and poultry contain both heme and nonheme iron [ 2 ]. Heme iron, which is formed when iron combines with protoporphyrin IX, contributes about 10% to 15% of total iron intakes in western populations [ 3-5 ].he richest sources of heme iron in the diet include lean meat and seafood [ 11 ]. Dietary sources of nonheme iron include nuts, beans, vegetables, and fortified grain products. In the United States, about half of dietary iron comes from bread, cereal, and other grain products [ 2, 3, 5 ].
There are about 8 million people in Switzerland. About 64% of the people speak German as their first language, in northern and central Switzerland. 19% of the people speak French as their first language, in the west of Switzerland. 8% of the people speak Italian, in the south of Switzerland. Only 1% of the people speak Romansh, in the southeastern part of Switzerland.
The four national languages of Switzerland are German, French, Italian and Romansh.All but Romansh maintain equal status as official languages at the national level within the Federal Administration of the Swiss Confederation.n the cantons of Bern, Fribourg and Valais, French is co-official; in the trilingual canton of Graubuenden, graubÃ¼nden more than half of the population Speaks, german while the rest Speak romansh Or. Italian in each, case all languages are official languages of the respective. canton