Liquiritigenin

Liquiritigenin is a flavanone that was isolated from "Glycyrrhiza uralensis", and is found in a variety of plants, including "Glycyrrhiza glabra" (licorice). It is an estrogenic compound which acts as a selective agonist of the ERβ subtype of the estrogen receptor (ER), though it is also reported to act as an ERα partial agonist at sufficient concentrations. It also has a choleretic effect.
 is an enzyme that uses liquiritigenin, O2, NADPH and H+ to produce 2,7,4'-trihydroxyisoflavanone, H2O, and NADP+.