1.Quercetin nwere ike ịchụpụ phlegm ma jide ụkwara, enwere ike iji ya mee ihe dị ka mgbochi asthmatic.
2.Quercetin nwere ike igbochi mwepụta histamine site na basophils na sel mast.
3.Quercetin nwere ike inye aka belata mbibi anụ ahụ.
4.Quercetin nwere ike ịchịkwa mgbasa nke ụfọdụ nje n'ime ahụ.
5.Quercetin nwekwara ike ịba uru na ọgwụgwọ ọnyụnyụ ọbara, gout, na psoriasis.
6.Quercetin nwere ọrụ anticancer, na-egbochi ọrụ PI3-kinase na ntakịrị ihe na-egbochi ọrụ PIP Kinase, na-ebelata mkpụrụ ndụ cancer cancer site na ụdị II estrogen receptors.