1. College of Food Science and Engineering; Northwest A & F University; 28 Xinong Road Yangling Shaanxi Province 712100 China
2. Key Laboratory for Space Bioscience and Biotechnology; School of Life Sciences; Northwestern Polytechnical University; 127 Youyi Xilu Xi'an Shaanxi Province 710072 China
3. Tibetan Plateau Laboratory of Agric-Product Processing; Qinghai Academy of Agriculture and Forestry; 253 Ningda Road Xining Qinghai Province 810016 China
4. Educational Ministry Key Laboratory of Resource Biology and Biotechnology in Western China; Life Science College; Northwest University; Xi'an 710069 China