1. College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
2. College of Veterinary Medicine China Agricultural University Beijing Key Laboratory of Detection Technology for Animal‐Derived Food Safety Beijing Laboratory for Food Quality and Safety Beijing 100193 P. R. China
3. Qinghai Key Laboratory of Qinghai‐Tibet Plateau Biological Resources Northwest Institute of Plateau Biology Chinese Academy of Sciences Xining Qinghai 810008 P. R. China
4. College of Mechanical and Electronic Engineering Northwest A&F University Yangling 712100 P. R. China