1. College of Food Science and Engineering; Ocean University of China; Qingdao 266003 Shandong China
2. Laboratory of Marine Drugs and Biological Products; Qingdao National Laboratory for Marine Science and Technology; Qingdao 266237 Shandong China
3. Laboratory of Nutrition Biochemistry; Department of Applied Biochemistry and Food Science; Saga University; Saga 840-8502 Japan