1. Food Research Laboratory; Nippon Oil & Fats Co., Ltd.; Tokyo 114 Japan
2. Food Research Laboratory; Nippon Oil & Fats Co., Ltd.; Toshima 4-8-11, Kita-ku 114 Tokyo Japan
3. ; Department of Applied Chemistry, Faculty of Science and Engineering; Kinki University; Osaka 557 Japan
4. ; Department of Food Science and Technology, Faculty of Agriculture; Nagoya University; Nagoya 464 Japan