1. Department of Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
2. Enu-chicken Agricultural Union Corporation, Chiran-chou, Kawanabe-gun, Kagoshima 897-0302, Japan
3. Institute of Rheological Function of Food, Hisayama-chou, Kasuya-gun, Fukuoka 811-2501, Japan
4. Marudai Food Company Ltd., Central Research Institute, Midori-cho, Takatsuki, Osaka 569-8577, Japan