〇Nobuhiro Kondo1, Hiroyuki Kono2, Shinya Ikematsu3, Kazuhide Totani4, Makoto Ogata5
(1. Itochu sugar co.ltd., 2. National Institute of Technology, Tomakomai College, 3. National Institute of Technology, Okinawa College, 4. National Institute of Technology, Ichinoseki College, 5. Faculty of Food and Agricultural Sciences, Fukushima University)