D. Buhalova1, Kr. Nikolova2*, Il. Milkova-Tomova1, I. Alexieva1, A. Gerasimova3, G. Gentscheva4, P. Dimitrova1 1Department of Nutrition and Tourism, University of Food Technologies, 26 Maritza Boulevard, 4020 Plovdiv 2Department of Physics and Biophysics, Medical University-Varna, 84

M. Tonchev1, T. Atanasov1, A. Todorova1, Ts. Atanasova1, N. Shtrankova1, M. Momchilova2 G. Zsivanovits2 1 University of Food Technologies (UFT), 4000 Plovdiv, Bulgaria 2 Food Research and Development Institute (FoodRDI), 4003 Plovdiv, Bulgaria (Manuscript received 2 June 2017; accepte