1. The United Graduate School of Agricultural Sciences Kagoshima University Kagoshima Japan
2. Education and Research Center for Fermentation Studies, Faculty of Agriculture Kagoshima University Kagoshima Japan
3. Division of Pharmacognosy, Phytochemistry and Narcotics National Institute of Health Sciences Kawasaki Japan
4. Division of Pharmacognosy, Department of Medicinal Resources, Institute of Natural Medicine University of Toyama Toyama Japan
5. Department of Agricultural Sciences and Natural Resources, Faculty of Agriculture Kagoshima University Kagoshima Japan