Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Alfa-Xenia Lupea"'
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 41, Iss 1, Pp 794-794 (2023)
The goal of this study is to establish the in vivo impact of a by-product of salicylic acid, 5-cloro-2-hidroxy-azotyl-sulfamoil-phenyl benzamyde synthesis product (5ClSA-SA), synthesized at the Technical University, Faculty of Industrial Chemistry of
Externí odkaz:
https://doaj.org/article/bc2c4750e7d9490285e0c4fd581e2f16
Autor:
LETIŢIA STANA, ALEXANDRA TRIF, LOREDANA GABRIELA STANA, ALFA XENIA LUPEA, MIRABELA PĂDURE, F. MUSELIN
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 41, Iss 1, Pp 798-798 (2023)
The aim of the study was to relieve the effect of synthesis product (by-product of salicylic acid) administration 5-cloro-2hidroxy-azotil-sulfamoil-fenil benzamide (5ClSA-SA) in comparison with basic structural compounds (salicylamide and sulfanilami
Externí odkaz:
https://doaj.org/article/c1a38bfdfdd14252a6c625437fd34559
Autor:
Gabriela Vlase, Alfa-Xenia Lupea, Adelina A. Andelescu, Maria Elena Rădulescu-Grad, Simona Popa, Gheorghe Ilia
Publikováno v:
Revista de Chimie. 71:27-38
The present paper presents the obtaining and the characterization of a new complex acid dye by combining the transition metal Cu (II) with an azo acid dye, namely Amido Black 10B (C.I. 20.470), as ligand. The ligand and the resulted new azo complex w
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 12, Pp 1247-1261 (2006)
The synthesis of 2-phenoxyalkanoic acids (ethanoic, propanoic, butanoic) was realised by the reaction of ortho-hydroxybenzamide respectively N-phenyl-o-hydroxybenzamide with a-halogenated acids in aqueous sodium hydroxide solution. 2-[o-(carbamoyl)ph
Externí odkaz:
https://doaj.org/article/d4e6fd4c255d4ccb9d27ad7798ba1d45
Publikováno v:
Revista de Chimie. 68:899-902
The aim of this study was to evaluate the antioxidant activity of ethyl acetate and tetrahydrofuran extracts of Juniperus berries, branches and needles, by using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. Two Juniperus species, Juniperus communi
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 41, Iss 1, Pp 794-797 (2013)
The goal of this study is to establish the in vivo impact of a by-product of salicylic acid, 5-cloro-2-hidroxy-azotyl-sulfamoil-phenyl benzamyde synthesis product (5ClSA-SA), synthesized at the Technical University, Faculty of Industrial Chemistry of
Autor:
Nicoleta G. Hădărugă, Aurel Ardelean, Alexandra T. Gruia, Daniel I. Hădărugă, Carmen Manuela Plesa, Alina Gharibeh Branic, Corina Costescu, Alfa Xenia Lupea
Publikováno v:
Journal of Planar Chromatography – Modern TLC. 24:130-135
We report a comparative study of Juniperus virginiana and Juniperus communis essential oils (obtained by hydrodistillation of plant parts from the west of Romania or obtained commercially in Europe) by thin layer chromatographic and gas chromatograph
Autor:
Alfa Xenia Lupea, Alina D. Zamfir, Florin Crişan, Cristina Mosoarca, Maria R. Szabo, Dumitru Condrat
Publikováno v:
Open Chemistry, Vol 8, Iss 3, Pp 530-535 (2010)
This study presents the results obtained from qualitative and quantitative analysis of gallic acid from hydro-alcoholic extracts (methanol, ethanol) of plants from Plantae regnum. Plant qualitative analysis was performed using a novel mass spectromet
Publikováno v:
International Journal of Food Properties. 13:771-777
Colour is one of the major attributes that affect the consumer's perception. This paper presents a study regarding coloring properties of the natural, nontoxic dye extracted from fresh fruits of bilberries (Vaccinum myrtillus). Colours were measured
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 8-9, Pp 847-855 (2009)
Journal of the Serbian Chemical Society, Vol 74, Iss 8-9, Pp 846-855 (2009)
Journal of the Serbian Chemical Society, Vol 74, Iss 8-9, Pp 846-855 (2009)
To obtain biologically active compounds, the synthesis of some new derivatives with an o-hydroxybenzamide structure was performed. The ethyl esters 4-6 were obtained by the reaction of 5-chloro-2-hydroxy-N-phenylbenzamide and chloro-substituted acid