flavone

Flavone is a naturally occurring compound and the core structure of a class of polyphenolic phytochemicals known as flavones, which are widely distributed in plants. Flavones are characterized by a phenyl ring attached to chromone at the 2-position and are considered major plant secondary metabolites[5]. Flavone itself, as well as its derivatives (such as apigenin and luteolin), have been studied for their diverse biological activities, including anti-inflammatory, antioxidant, anticancer, antibacterial, and neuroprotective effects[5][4][8]. Mechanistically, flavones act through multiple pathways: - Inhibition of oxidative stress by scavenging free radicals and chelating metal ions[8][4]. - Modulation of inflammatory responses via inhibition of enzymes such as cyclooxygenase-2 (COX-2) and 5-lipoxygenase (5-LOX)[5]. - Inhibition of aromatase activity (aromatase inhibitor), androgen receptor inhibition, gamma-aminobutyric acid receptor subunit alpha-1 inhibition[2]. Despite promising preclinical data for various indications such as cancer prevention/treatment and vascular health support, clinical development has been limited due to poor bioavailability. Flavone is not an approved pharmaceutical drug but serves primarily as a research chemical or dietary supplement component[2][1].

Other names

2-phenylchromen-4-one