槲皮素是一种抗氧化剂，可逆转2型糖尿病患者高血糖和高血糖血清的免疫抑制作用。
它已被用作 欧洲黑蜂的一种解毒植物化学物质。
它被用作DPPH(2,2-二苯基-1-苦肼)自由基清除实验中的阳性对照。它还可用于制作总黄酮含量测定的校准曲线。
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.
