TY - JOUR AU - Kitaoka, M; Kadokawa, H; Sugano, M; Ichikawa, K; Taki, M; Takaishi, S; Iijima, Y; Tsutsumi, S; Boriboon, M; Akiyama, T TI - Prenylflavonoids: a new class of non-steroidal phytoestrogen (Part 1). Isolation of 8-isopentenylnaringenin and an initial study on its structure-activity relationship JO - Planta Med VL - 64 PY - 2007 DO - 10.1055/s-2006-957504 SP - 511 EP - 515 ER -