1. School of Biomedical Engineering; Shanghai Jiaotong University, Dongchuan Road; Shanghai 200240 China
2. Food Biotechnology Innovation Project, New Industry Creation Hatchery Center (NICHe) at Tohoku University; Sendai 980-0845 Japan
3. Food and Biodynamic Chemistry Laboratory, School of Agriculture; Tohoku University; Sendai 980-0845 Japan