luteolin 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-benzopyrone 3',4',5,7-Tetrahydroxyflavone 5,7,3',4'-Tetrahydroxyflavone 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one Salifazide Luteolol flacitran digitoflavone Luteolin 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one A tetrahydroxyflavone in which the four hydroxy groups are located at positions 3', 4', 5 and 7. It is thought to play an important role in the human body as an antioxidant, a free radical scavenger, an anti-inflammatory agent and an immune system modulator as well as being active against several cancers. 3'-hydroxyflavonoid antineoplastic agent tetrahydroxyflavone angiogenesis inhibitor radical scavenger immunomodulator luteolin-7-olate vascular endothelial growth factor receptor antagonist anti-inflammatory agent apoptosis inducer EC 2.3.1.85 (fatty acid synthase) inhibitor nephroprotective agent plant metabolite c-Jun N-terminal kinase inhibitor