1. Genome Biotechnology Laboratory; Kanazawa Institute of Technology; Hakusan 924-0838 Japan
2. Graduate School of Science and Engineering; University of Toyama; Toyama 930-8555 Japan
3. Department of General Education; Ishikawa National College of Technology; Ishikawa 929-0392 Japan
4. Institute of Natural Medicine, University of Toyama; Toyama 930-0194 Japan
5. Faculty of Science and Engineering; Setsunan University; Osaka 572-8508 Japan