Iron Oxides and Hydroxides (E172)
ColoringEssentially rust. A safe, natural mineral dye giving meats and salmon pastes red/yellow shades.
Details
Used as highly unreactive, heat-stable pigments. It passes inertly out of the body without being absorbed into the blood like nutritional iron.
Frequently Asked Questions
Wait, is this real rust?
Chemically, yes (iron oxide). But it's hyper-purified laboratory grade, free of heavy metals.
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