Common food dye can trigger inflammatory bowel diseases, animal study suggests

Researchers using experimental animal models of IBD found that continual exposure to Allura Red AC harms gut health and promotes inflammation. The dye directly disrupts gut barrier function and increases the production of serotonin, a hormone/neurotransmitter found in the gut, which subsequently alters gut microbiota composition leading to increased susceptibility to colitis. The study suggests a link between a commonly used food dye and IBDs and warrants further exploration between food dyes and IBDs at experimental, epidemiological and clinical levels.

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