1. Department of Crop and Soil Science, Oregon State University, 3050 SW Campus Way, 431A Crop Science Building, Corvallis, Oregon 97331, United States
2. Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
3. Natural Products Utilization Research Unit, Agricultural Research Service, United States Department of Agriculture, University, Mississippi 38677, United States
4. Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
5. Unit of Food Science and Nutrition, Department of Medicine, University Campus Bio-Medico of Rome, Rome I-00128, Italy
6. Department of Botany and Agrometeorology, Agricultural University, Mendeleev 12, 4000 Plovdiv, Bulgaria
7. Department of Plant and Fungal Diversity and Resources, Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
8. Department of Botany and Biological education, Faculty of Biology, University of Plovdiv Paisii Hilendarski, 24 Tzar Asen, 4000 Plovdiv, Bulgaria