1. Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), School of Food Science and EngineeringSouth China Univ. of Technology Guangzhou 510641 China
2. Guangdong ERA Food & Life Health Research Inst. Guangzhou 510670 China
3. Dept. of Food ScienceCornell Univ. Ithaca New York 14853 U.S.A.