1. College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China
2. State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
3. College of Food Science and Engineering, Northwest University, Xian, Shaanxi 710069, P. R. China
4. State Key Laboratory of Crop Stress Biology for Arid Areas, Shaanxi Key Laboratory of Agricultural and Environmental Microbiology, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China