1. School of Food and Biological Engineering, Key Laboratory of Coarse Cereal Processing (Ministry of Agriculture and Rural Affairs), Chengdu University, Chengdu, Sichuan China 610106
2. Department of Food Science and Human Nutrition, the University of Illinois at Urbana−Champaign, 445 Bevier Hall, 905 S. Goodwin Ave., Urbana, United States 61801