1. Technology and Marketing Dept., Wheat Flour Div., Nisshin Flour Milling Co., Ltd., 19-12, Koami-Cho, Nihonbashi, Chuo-Ku, Tokyo 103, Japan. Corresponding author. E-mail: akashih@mail.ni-net.co.jp
2. Cereal Research Center, Nisshin Flour Milling Co., Ltd., 5-3-1, Tsurugaoka, Ohimach, Iruma, Saitama 356, Japan.