1. Department of Organic and Inorganic Chemistry, Technological Faculty, University of Food Technologies, 26 Maritsa Blvd., 4002 Plovdiv, Bulgaria
2. Department of Wine and Beer Technology, Technological Faculty, University of Food Technologies, 26 Maritsa Blvd., 4002 Plovdiv, Bulgaria
3. Department Food Preservation and Refrigeration Technology, Technological Faculty, University of Food Technologies, 26 Maritsa Blvd., 4000 Plovdiv, Bulgaria
4. Laboratory of Biologically Active Substances, Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 139 Ruski Blvd., 4000 Plovdiv, Bulgaria
5. Department of Agrobiotechnologies, Agrobioinstitute, Agricultural Academy, 8 “Dragan Tsankov” Blvd., 1164 Sofia, Bulgaria
6. Department of Biochemistry and Molecular Biology, University of Food Technologies, 26 Maritsa Blvd., 4002 Plovdiv, Bulgaria