1. College of Food Engineering and Nutritional Science, Shaanxi Normal University, Campus Chang'an, No. 620, West Chang'an Avenue, Chang'an District, Xi'an 710119, PR China
2. National Research and Development Center of Apple Processing Technology, PR China
3. Citrus Research Institute, Southwest University, Chongqing, PR China
4. Citrus Research Institute, Chinese Academy of Agricultural Science, Chongqing, PR China