1. Graduate School of Life Science, University of Hyogo, Ako, Hyogo 678-1297, Japan
2. RIKEN SPring-8 center, Sayo, Hyogo 679-5148, Japan
3. Department of Applied Biochemistry & Food Science, Saga University, Saga 840-8502, Japan
4. The United Graduate School of Agricultural Science, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
5. Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan