Kavalcová, P. , Bystrická, J. , Trebichalský, P. , Kopernická, M. , Hrstková, M. and Lenková, M. 2015. Content of total polyphenols and antioxidant activity in selected varieties of onion (Allium cepa L.). Potravinarstvo Slovak Journal of Food Sciences. 9, 1 (Dec. 2015), 494–500. DOI:https://doi.org/10.5219/524.