1. School of Food and Health, Beijing Technology and Business University, Beijing, People’s Republic of China
2. Beijing Institute of Biological Products Ltd., Beijing, People’s Republic of China
3. Hebei Yangyuan ZhiHui Beverage Co., Ltd., Hengshui, Hebei
4. Institution of Chinese Walnut Industry, Hengshui, Hebei
5. Hebei Key Laboratory of Walnut Nutritional Function and Processing Technology, Hengshui, Hebei
6. College of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei