1. Department of Food Science and Human Nutrition and Department of Genetics, Biochemistry, and Life Science Studies, Clemson University, Clemson, South Carolina 29634; Department of Biology, Food and Nutritional Sciences Programme, and Food Science Laboratory, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China; and School of Food Science and Technology, Southern Yangtze University, Wuxi 214036, China