1. Department of Chemical and Biochemical Engineering; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen Fujian, 361005 P. R. China
2. China-Australia Joint Research Center in Future Dairy Manufacturing; School of Chemical and Environmental Engineering; College of Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou City Jiangsu, 215123 P. R. China
3. School of Medicine; Tsinghua University; Beijing 100084 P. R. China