An overview of the Kjeldahl method of nitrogen determination. Part II. Sample preparation, working scale, instrumental finish, and quality control P Sáez-Plaza, MJ Navas, S Wybraniec, T Michałowski, AG Asuero Critical Reviews in Analytical Chemistry 43 (4), 224-272, 2013 | 418 | 2013 |
Betalainic and nutritional profiles of pigment-enriched red beet root (Beta vulgaris L.) dried extracts B Nemzer, Z Pietrzkowski, A Spórna, P Stalica, W Thresher, ... Food chemistry 127 (1), 42-53, 2011 | 357 | 2011 |
An overview of the Kjeldahl method of nitrogen determination. Part I. Early history, chemistry of the procedure, and titrimetric finish P Sáez-Plaza, T Michałowski, MJ Navas, AG Asuero, S Wybraniec Critical Reviews in Analytical Chemistry 43 (4), 178-223, 2013 | 310 | 2013 |
Fruit Flesh Betacyanin Pigments in Hylocereus Cacti S Wybraniec, Y Mizrahi Journal of Agricultural and Food Chemistry 50 (21), 6086-6089, 2002 | 263 | 2002 |
Betacyanins from vine cactus Hylocereus polyrhizus S Wybraniec, I Platzner, S Geresh, HE Gottlieb, M Haimberg, ... Phytochemistry 58 (8), 1209-1212, 2001 | 230 | 2001 |
Formation of Decarboxylated Betacyanins in Heated Purified Betacyanin Fractions from Red Beet Root (Beta vulgaris L.) Monitored by LC−MS/MS S Wybraniec Journal of agricultural and food chemistry 53 (9), 3483-3487, 2005 | 141 | 2005 |
Minor betalains in fruits of Hylocereus species S Wybraniec, B Nowak-Wydra, K Mitka, P Kowalski, Y Mizrahi Phytochemistry 68 (2), 251-259, 2007 | 138 | 2007 |
Influence of betalain-rich extract on reduction of discomfort associated with osteoarthritis Z Pietrzkowski, B Nemzer, A Spórna, P Stalica, W Tresher, R Keller, ... New Med 1, 12-17, 2010 | 103 | 2010 |
Separation of betalains from berries of Phytolacca americana by ion-pair high-speed counter-current chromatography G Jerz, T Skotzki, K Fiege, P Winterhalter, S Wybraniec Journal of Chromatography A 1190 (1-2), 63-73, 2008 | 80 | 2008 |
Generation of Decarboxylated and Dehydrogenated Betacyanins in Thermally Treated Purified Fruit Extract from Purple Pitaya (Hylocereus polyrhizus) Monitored … S Wybraniec, Y Mizrahi Journal of Agricultural and Food Chemistry 53 (17), 6704-6712, 2005 | 80 | 2005 |
The titration in the Kjeldahl method of nitrogen determination: base or acid as titrant? T Michałowski, AG Asuero, S Wybraniec Journal of Chemical Education 90 (2), 191-197, 2013 | 73 | 2013 |
Separation of polar betalain pigments from cacti fruits of Hylocereus polyrhizus by ion-pair high-speed countercurrent chromatography S Wybraniec, P Stalica, G Jerz, B Klose, N Gebers, P Winterhalter, ... Journal of Chromatography A 1216 (41), 6890-6899, 2009 | 72 | 2009 |
New pathways of betanidin and betanin enzymatic oxidation S Wybraniec, T Michałowski Journal of agricultural and food chemistry 59 (17), 9612-9622, 2011 | 68 | 2011 |
Antioxidant activity of betanidin: electrochemical study in aqueous media S Wybraniec, P Stalica, A Spórna, B Nemzer, Z Pietrzkowski, ... Journal of Agricultural and Food Chemistry 59 (22), 12163-12170, 2011 | 64 | 2011 |
1H and 13C NMR spectroscopic structural elucidation of new decarboxylated betacyanins S Wybraniec, B Nowak-Wydra, Y Mizrahi Tetrahedron Letters 47 (11), 1725-1728, 2006 | 60 | 2006 |
Studies on nonenzymatic oxidation mechanisms in neobetanin, betanin, and decarboxylated betanins S Wybraniec, K Starzak, A Skopińska, B Nemzer, Z Pietrzkowski, ... Journal of agricultural and food chemistry 61 (26), 6465-6476, 2013 | 59 | 2013 |
Effect of solvent polarizability on the keto/enol equilibrium of selected bioactive molecules from the 1, 3, 4-thiadiazole group with a 2, 4-hydroxyphenyl function A Matwijczuk, D Karcz, R Walkowiak, J Furso, B Gładyszewska, ... The Journal of Physical Chemistry A 121 (7), 1402-1411, 2017 | 57 | 2017 |
Ion-pair high-speed countercurrent chromatography in fractionation of a high-molecular weight variation of acyl-oligosaccharide linked betacyanins from purple bracts of … S Wybraniec, G Jerz, N Gebers, P Winterhalter Journal of Chromatography B 878 (5-6), 538-550, 2010 | 49 | 2010 |
Multi-colored shades of betalains: Recent advances in betacyanin chemistry A Kumorkiewicz-Jamro, T Świergosz, K Sutor, A Spórna-Kucab, ... Natural Product Reports 38 (12), 2315-2346, 2021 | 48 | 2021 |
Time-resolved spectroscopy of the singlet excited state of betanin in aqueous and alcoholic solutions M Wendel, S Nizinski, D Tuwalska, K Starzak, D Szot, D Prukala, ... Physical Chemistry Chemical Physics 17 (27), 18152-18158, 2015 | 48 | 2015 |