1. College of Food Science and Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, P. R. China
2. Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, Shandong Province 266237, P. R. China
3. Department of Food Science, Rutgers State University, 65 Dudley Rd, New Brunswick, New Jersey 08901, USA