Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Edward Szneler"'
Publikováno v:
Journal of Agricultural and Food Chemistry. 66:12815-12826
Formation of glutathionic conjugates with quinonoid forms generated through oxidation of betanidin and gomphrenin obtained from fruits of Basella alba L. was studied by high-performance liquid chromatography coupled with triple quadrupole tandem mass
Publikováno v:
Journal of Chromatography B. :20-32
A comparative chromatographic evaluation of chlorinated decarboxylated betanins and betanidins generated under activity of hypochlorous acid exerted upon these highly antioxidative potent decarboxylated pigments derived from natural sources was perfo
Autor:
Edward Szneler, Sławomir Wybraniec, Aneta Spórna-Kucab, Natalia Szmyr, Agnieszka Kumorkiewicz
Betacyanin extract of Amaranthus cruentus L. flowers was fractionated by semi-preparative high-speed counter-current chromatography in a highly polar solvent system: propan-1-ol/acetonitrile/(NH4 )2 SO4satd. soln /H2 O (1.0:0.5:1.2:1.0, v/v/v/v) in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::889ec828f24c5a62a9db3b1844152da7
https://ruj.uj.edu.pl/xmlui/handle/item/86065
https://ruj.uj.edu.pl/xmlui/handle/item/86065
Publikováno v:
Journal of agricultural and food chemistry. 66(15)
Betacyanins and betaxanthins were characterized and determined in an intensely pigmented red-colored callus culture of Celosia cristata L. (Amaranthaceae). A new malonyl derivative, 6'- O-malonyl-amaranthin (celoscristatin) was isolated and identifie
Autor:
Katarzyna Ostrowska, Bogdan Musielak, Marlena Gryl, Katarzyna Stadnicka, Łukasz Dudek, Edward Szneler
Publikováno v:
Inorganic Chemistry
Analysis of the spectral properties and structural di ff erences of two turn-on ratiometric fl uorescent receptors for Zn 2+ and Cd 2+ ions, derivatives of pyrrolo[2,3- b ]quinoxaline ( 2 ), and earlier published 3 (Ostrowska et al. CrystEngComm 2015
Publikováno v:
Magnetic Resonance in Chemistry. 54:175-177
Publikováno v:
Bioorganic & Medicinal Chemistry. 19:6927-6934
A group of trans - and cis -2-(2,6-dimethylphenoxy)- N -(2-hydroxycyclohexyl)acetamides ( 1 – 7 ) and -ethylamines ( 8 – 9 ) have been synthesized and investigated for their anticonvulsant activity. One of them, racemic trans -2-(2,6-dimethylphen
Publikováno v:
Magnetic Resonance in Chemistry. 49:753-756
Complete 1H and 13C NMR signal assignments of two lactucin-type sesquiterpene lactone glycosides, derivatives of 11β,13-dihydrolactucin, isolated from roots of Picris conyzoides, were achieved by one- and two-dimensional NMR experiments, allowing th
Publikováno v:
Biochemical Systematics and Ecology. 38:1246-1249
Publikováno v:
Magnetic Resonance in Chemistry. 48:712-717
Temperature-dependent 1H and 13C-NMR spectra of the title compounds are presented. Coalescence effects are discussed and assigned to dynamic process—the interconversion of bicyclic system. The free energies of activation covered the range 39–52 k