Dr hab. inż. Anna J. Keutgen, prof. nadzw., Faculty of Agriculture and Biotechnology Department of Food Technology, University of Technology and Life Sciences in Bydgoszcz, Kordeckiego 20A St., 85-225 Bydgoszcz, Poland; Department of Crop Sciences, Division of Vegetables and Orna-mentals, University of Natural Resources and Life Sciences, Gregor Mendel Str. 33, 1180 Vienna, Austria