IL17A and colitis: Astudy of C57BL/6 micesuggested that the dietary supplementation of 30 mg/kg quercetin exerts therapeutic effects on colitis induced by Citrobacter rodentium by suppressing pro-inflammatory cytokines (e.g., interleukin 17 (IL-17), TNF-α and IL-6) and promoting the production of IL-10 in the colon tissues.