1. College of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, People’s Republic of China
2. Shaanxi Black Organic Food Engineering Center, Hanzhong, Shaanxi 723000, People’s Republic of China
3. Department of Human Nutrition, Food and Animal Sciences, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, 1955 East-West Road, AgSci. 415J, Honolulu, Hawaii 96822, United States