has role is protonated form of independent continuant EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor daidzein A member of the class of 7-hydroxyisoflavones that is 7-hydroxyisoflavone substituted by an additional hydroxy group at position 4'. CHEBI:28197 antineoplastic agent bone density conservation agent 7-hydroxyisoflavones EC 3.2.1.20 (alpha-glucosidase) inhibitor plant metabolite phytoestrogen daidzein(1-)