Studies

CellWell record HH-304283

Food additive titanium dioxide (E171) alters gut microbial metabolic activity and butyrate production in the TIM-2 in vitro colon model

Bischoff NS; Undas AK; van Bemmel G; Briedé JJ; Van Breda SG; Verhoeven J; Verbruggen S; Venema K; Sijm DTHM; de Kok TM

Journal of applied microbiology · 2026

In plain language

Food-grade titanium dioxide E171 stimulated butyrate production and shifted gut microbiota composition, reducing Blautia and increasing Lachnospiraceae.

Evidence
Emerging
Design
Primary research (design unspecified)

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