1. State Key Laboratory of Marine Resource Utilization in South China Sea School of Materials Science and Engineering Hainan University Haikou 570228 China
2. Key Laboratory of Food Nutrition and Functional Food of Hainan Province School of Food Science and Engineering Hainan University Haikou 570228 China
3. Department of Chemistry University of Texas at San Antonio One UTSA Circle San Antonio Texas 78249-0698 USA