ChEBI: Atromentin is a member of the class of dihydroxy-1,4-benzoquinones that is 2,5-dihydroxycyclohexa-2,5-diene-1,4-dione which is substituted by a 4-hydroxyphenyl group at positions 3 and 6. It is a mushroom pigment isolated from several fungi species and acts as a smooth muscle stimulant, and exhibits anticoagulant, antibacterial and antineoplastic properties. It has a role as a fungal metabolite, an EC 1.3.1.9 [enoyl-[acyl-carrier-protein] reductase (NADH)] inhibitor, a biological pigment, an anticoagulant, an apoptosis inducer, an antineoplastic agent and an antibacterial agent. It is a member of dihydroxy-1,4-benzoquinones and a polyphenol. It is a conjugate acid of an atromentin(1-).