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Typical source

Synthetic azo dye

Plain-language explanation

E155, also known as Brown HT, is a synthetic brown food coloring made from coal tar or petroleum. It is generally considered halal by major certification bodies because it is a chemically created product and does not contain animal-derived ingredients. However, some strict interpretations advise caution due to its origin from non-halal sources, though the final product is typically deemed permissible.