[1] Technical Research Laboratories, Nisshin Flour Milling Co., Ltd., 5-3-1 Tsurugaoka, Oimachi, Iruma-gun, Saitama 356, Japan
[2] Cereal Research Laboratory, Nisshin Flour Milling Co., Ltd., 5-3-1 Tsurugaoka, Oimachi, Iruma-gun, Saitama 356, Japan
[3] Japan Adv. Inst. Sci. Technol. I., 15 Asahidai, Tatsukuchi-machi, Nomi-gun, Ishikawa 923-12, Japan
[4] Faculty of Information Science, Hiroshima City University, 151-5 Ozuka, Numata-cho, Asaminami-ku, Hiroshima 731-13, Japan
[5] Res. Ctr. for Adv. Sci. and Technol., University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153, Japan