1. College of Food Science and Nutritional Engineering China Agricultural University Beijing 100083 China
2. National Engineering Research Centre for Fruit and Vegetable Processing Beijing 100083 China
3. Key Laboratory of Plant Protein and Grain processing China Agricultural University Beijing 100083 China
4. Shanxi Academy of Agricultural Sciences Research Institute of Millet Taiyuan 030031 China
5. Hebei Academy of Agriculture and Forestry Sciences Research Institute of Millet Shijiazhuang 050035 China
6. Chinese Academy of Agricultural Sciences Institute of Crop Science Beijing 100081 China