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, P.O. Box 8129, 6700 EV Wageningen, The Netherlands; and Department of Organic Chemistry, Wageningen Agricultural University, Dreijenplein 8, 6703 HB Wageningen, The Netherlands