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E132 is the European code used to refer to indigo carmine, or 5,5'-indigodisulfonic acid sodium salt, of chemical formula C16H8N2Na2O8S2. Indigo carmine is used as a food colourant.

Indigo carmine is the artificial colouring used in Lima Lush, a Muggle brand of citrus-flavoured fizzy drink.[1]

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