antioxidant quinone thymoquinone 2-isopropyl-5-methylbenzoquinone 2-methyl-5-isopropyl-p-benzoquinone 2-methyl-5-propan-2-ylcyclohexa-2,5-diene-1,4-dione 2014-03-04T17:36:38Z A condition in which the main influencing factor is thymoquinone, an antioxidant phytochemical compound found in the plant Nigella sativa. Thymoquinone has the chemical formula C10H12O2 and is a 1,4-benzoquinone substituted at the 2 and 5 position with a methyl and an isopropyl group (2-Isopropyl-5-methyl- or 5-Isopropyl-2-methyl-). CHEBI:113532 MESH:C003466 XCO:0000423 dihydrothymoquinone experimental_condition_ontology jsmith pubchem.compound:10281