Cyanidin-3-O-arabinosidechloride has antioxidant activity. It reduces the peroxynitrite-induced suppression of mitochondrial respiration, DNA damage, PARS activation and vascular dysfunction in HUVECs.
Quercetin 3-O-methyl ether is a potent phosphodiesterase (PDE)3/4 inhibitor, it has potential for treating asthma against ovalbumin-induced airway hyperresponsiveness.