1. Department of Biological Production, Faculty of Agriculture, International Environmental and Agricultural Science, Fuchu Campus, Tokyo University of Agriculture and Technology, Fuchu 183-8509, Japan
2. Department of Crop Science, University of Ghana, Legon, Accra P.O. Box LG 44, Ghana
3. Faculty of Pharmacy, Department of Pharmaceutical Botany, Istanbul University, Fatih, Istanbul 34116, Turkey