1. Institute of Horticulture Graudu 1 Dobele LV‐3701 Latvia
2. Institute of Food Technology of Plant Origin, Faculty of Food Science and Nutrition Poznań University of Life Sciences Wojska Polskiego 31 60‐624 Poznań Poland
3. Department of Food and Nutrition Poznan University of Physical Education Królowej Jadwigi 27/39 61‐871 Poznań Poland