1. Department of Biochemistry, Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
2. Grupo de Alelopatia, Departamento de Quimica Organica, Facultad de Ciencias, Universidad deCadiz, C/Republica Saharaui, s/n, 11510 Puerto Real, Cadiz, Spain
3. Department of Animal Nutrition and Feed Management, RUMEN PULS, Poznan University of Life Sciences, Wołyńska 33, 60–637 Poznań, Poland