1. Department of Food Science and Engineering, College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, P.R. China
2. Department of Grass Science, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, P.R. China
3. Department of Biochemistry and Molecular Biology, College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, P.R. China