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Ilmu Gizi - Pengantar MINERAL - Suyatno, Ir., MKes - Undip

Ilmu Gizi - Pengantar MINERAL - Suyatno, Ir., MKes - Undip

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Metabolisme• Tubuh mengandung 3-4 gram.• Peranan: respirasi seluler (unsur Hb, sistemsitokrom, enzim katalase-peroksidase)• Besi aktif: Fe 2+ & Fe 3+ , dlm makanan: ion ferri(Fe3+ ) terikat seny.organik• Mukosa intestin mengandung apoferritin mengatur jumlah besi makanan yang diserap(dlm bentul ferro/ Fe 2+ )• Kelebihan besi dikekskresi mll tinja hitamkelam-mengkilat mengkilat Mucosal block system

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