Description
Quercetin, one of the main flavonoids that exists in galangal (Zingiberaceae), is a hydroxylated flavanoid that has been shown to cause potent reversible inhibition of fatty-acid synthase. It possesses potential antiinflammatory properties. Quercetin also inhibits Trk (tyrosine protein kinase), phospholipase A2, PDE (phosphodiesterases), mitochondrial ATPase, PI 3-kinase and PKC (protein kinase C). It has been reported that the competitive inhibition of FASN by quercetin leads to apoptotic cell death which results in inhibition of cell proliferation. Quercetin also behaves as a GPR30 activator and calcium channel protein inhibitor.A PI 3-kinase inhibitor, GPR30 activator, and apoptosis inducer