Microbial transformation of xanthohumol

Microbial transformation of xanthohumol using the culture broth of Pichia membranifaciens afforded three metabolites, (E)-2-(2'-hydroxyisopropyl)-dihydrofurano[2,3:4',3']-2', 4-dihydroxy-6'-methoxychalcone, (2S)-2-(2'-hydroxyisopropyl)dihydrofurano[2,3:7,8]-4'-hydroxy-5-methoxyflavanone and (E)-2-(2'-hydroxyisopropyl)-dihydrofurano[2,3:2',3']-4'-hydroxy-5-methoxychalcone. (C) 2003 Elsevier Science Ltd. All rights reserved.