1. National Food Research Institute, National
Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki
305-8642, Japan
2. Department
of Chemistry, School of Science and Technology, Kwansei Gakuin University, Sanda, Hyogo 669-1337, Japan
3. Department of Chemistry, School of Science
and Engineering, Kinki University, Higashiosaka,
Osaka 577-8502, Japan
4. Kurabo Industries Ltd., Shimokida-cho, Neyagawa, Osaka 572-0823, Japan