Definition
ChEBI: Xanthohumol B is a member of the class of chalcones that is (2E)-1-(3,4-dihydro-2H-chromen-6-yl)-3-(4-hydroxyphenyl)prop-2-en-1-one substituted by hydroxy groups at position 3 and 5, a methoxy group at position 7 and geminal methyl groups at position 2. It has been isolated as a racemate from Humulus lupulus and has been shown to exhibit inhibitory activity against nitric oxide production. It has a role as a metabolite and an EC 1.14.13.39 (nitric oxide synthase) inhibitor. It is a member of chalcones, a polyphenol and an aromatic ether.