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.
There are four official languages in Switzerland: German, French, Italian, and Romansh. Some cantons and even towns have two languages spoken in them, and the largest canton by area, Graubuenden, graubÃ¼nden has. threebout 2/3 of the population speak German; French is spoken in the west of the country, while Italian is spoken in the canton of Ticino and Romansh in parts of Graubuenden. GraubÃ¼nden the capital Of switzerland Is. Bern the largest city Of switzerland Is. zuerich zÃ¼rich