E172 — пищевая добавка, краситель оксид и гидроксид железа, iron oxides and hydroxides (Е172)

Alpha-Fe2O3 occurs naturally as the mineral haematite. Together the iron oxides and hydroxides are used to provide red, orange, yellow, brown and black pigments, with the iron not being actively available to body tissues. Iron(III) oxide is also used as a major source of elemental iron in industry. Alpha-iron(III) oxide has the corundum structure. Typical products include fish and meat pastes, packet desserts, soups.; toxic at 'high doses'.



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