... HWADA,“ GEN-ICHIRO NONAKA,“ ITSUO NISHIOKA,*'" MAKOTO NISHIZAWAJLZ) and TAKASHI YAMAGISHIb Faculty of Pharmaceutical Sciences, Kyushu ... Stilbene glucoside gallate; piceatan- nol; chemical evaluation; HPLC In the course of chemical evaluation of ... 1546 Vol. ...