Where does erythrosine come from? The synthetic origin of Red Dye No. 3
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3 min read
Over a century ago, the synthetic food coloring agent erythrosine was first approved for use. Erythrosine, also known as Red Dye No. 3, is a synthetic food color derived from petroleum. Its vivid cherry-pink hue is created through a chemical process, not from natural sources like fruits or vegetables.
