has role has functional parent trans-ferulic acid geroprotector antifibrotic agent biological pigment polyphenol antibacterial agent antidepressant antipsychotic agent hypoglycemic agent antineoplastic agent flavouring agent aromatic ether immunosuppressive agent antifungal agent lipoxygenase inhibitor dye iron chelator curcumin CHEBI:3962 A β-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of <em>Curcuma longa</em>. EC 1.1.1.21 (aldehyde reductase) inhibitor radical scavenger anti-ulcer drug contraceptive drug dermatologic drug EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor nutraceutical enone EC 1.1.1.205 (IMP dehydrogenase) inhibitor EC 3.5.1.98 (histone deacetylase) inhibitor hepatoprotective agent neuroprotective agent EC 1.8.1.9 (thioredoxin reductase) inhibitor anti-asthmatic agent ophthalmology drug anti-inflammatory agent beta-diketone nephroprotective agent EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor food colouring EC 1.1.1.25 (shikimate dehydrogenase) inhibitor diarylheptanoid