1. Department of Fruit and Vegetable Processing; Wroclaw University of Environmental and Life Science; 37/41 Chełmońskiego Street; 51-630; Wroclaw; Poland
2. Department of Experimental Oncology; Ludwik Hirszfeld Institute of Immunology and Experimental Therapy; Polish Academy of Sciences; R. Weigla Street, 12; 53-114; Wroclaw; Poland