1. Department of Food Science and Technology, Tokyo University of Marine Science and Technology4‐5‐7 Konan, Minato‐kuTokyo 108‐8477Japan
2. S. SenarathFaculty of Livestock, Fisheries and Nutrition, Department of Food Science and Technology, Wayamba University of Sri LankaMakanduraGonawila 60170Sri Lanka
3. Tsukishima Foods Industry Co. Ltd.3‐17‐9 Higashi Kasai, Edogawa‐kuTokyo 134‐8520Japan