1. National Engineering Center of Dairy for Maternal and Child Health, Beijing Sanyuan Foods Co. Ltd, Beijing 100163, P. R. China
2. Beijing Engineering Research Center of Dairy, Beijing Sanyuan Foods Co. Ltd, Beijing 100163, P. R. China
3. South Asia Branch of National Engineering Center of Dairy for Maternal and Child Health, Guilin University of Technology, Guilin 541006, China
4. School of Biological Engineering, Dalian Polytechnic University, Liaoning 116034, P. R. China
5. Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, P. R. China