1. Key Laboratory of Life-Organic Analysis of Shandong Province, Qufu Normal University, Qufu, China;
2. Key Laboratory of Tibetan Medicine Research & Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Science, Xining, China;
3. School of Food and Biological Engineering, Shaanxi University of Science & Technology, Xian, China