2′,5′-Dihydroxyacetophenone (DHAP, 2-Acetylhydroquinone, Quinacetophenone) is a mixture of dihydroxyacetophenone isomers is used in food flavouring. 2′,5′-Dihydroxyacetophenone significantly inhibits NO production via the suppression of iNOS expression. 2′,5′-Dihydroxyacetophenone significantly decreases levels of the pro-inflammatory cytokines TNF-α and IL-6 by blocking the ERK1/2 and NF-κB signaling pathways.