1. Department of Food Technology, Kaunas University of Technology, Radvilėnu̧ pl. 19, Kaunas 3028, Lithuania, Department of Food Technology and Nutritional Sciences, Wageningen Agricultural University, Post Office Box 8129, 6700 EV Wageningen, The Netherlands, and Department of Organic Chemistry, Wageningen Agricultural University, Dreijenplein 8, 6703 HB Wageningen, The Netherlands