1. Vitamin D Research Institute, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
2. College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
3. Shaanxi Key Laboratory of Bioresource, College of Bioscience and Bioengineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
4. Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States