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HPLC-DAD-ESI/MS profiles of bioactive compounds, antioxidant and anticholinesterase activities of subsp. alenda growing in Algeria.
Nat Prod Res
November 2022
Department of Chemistry, Bioactive Molecules and Biological Analysis Unit, Valorization of Natural Resources, University of Mentouri Constantine1, Constantine, Algeria.
(Ephedraceae) is used in medicine for various purposes as having, antioxidant, anticarcinogen, antibacterial, anti-inflammatory hepatoprotective, anti-obesity, antiviral and diuretic activities. In this study the aim was to investigate chemical constituents of and understand the possible effects of those constituents in antioxidant activity and alzheimer's disease essay. For this purpose, natural compounds from were characterized by LC-DAD-ESI-MS/MS using negative and positive ionization modes, while the bioactivity was assessed by acetylcholinesterase (AChE) inhibition study and determining of antioxidant activity; DPPH radical scavenging and -carotene bleaching assays were used to assess the antioxidant potential.
View Article and Find Full Text PDFAntioxidant, Anti-Inflammatory and Anti-Angiogenic Properties of Juice.
Front Pharmacol
December 2020
Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.
juices are a rich source of bioactive compounds with various and well-known health benefits. The aim of this study was to investigate the polyphenols and ascorbic acid content as well as to investigate the antioxidant, anti-inflammatory and anti-angiogenic properties of the juice of an ancient Mediterranean species, Risso (CLJ). The antioxidant and anti-inflammatory activities were evaluated by several cell-free and cell-based assays, whereas two different models, the chick chorioallantoic membrane (CAM) and the zebrafish embryos, were used to characterize the anti-angiogenic properties.
View Article and Find Full Text PDFCharacterization of Phytochemicals in Berry Fruit Wines Analyzed by Liquid Chromatography Coupled to Photodiode-Array Detection and Electrospray Ionization/Ion Trap Mass Spectrometry (LC-DAD-ESI-MS) and Their Antioxidant and Antimicrobial Activity.
Foods
December 2020
Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 171/173 Wolczanska Street, 90-924 Lodz, Poland.
Fruits are a valuable source of phytochemicals. However, there is little detailed information about the compounds contained in fruit wines. In this study, wines from six different berries were analyzed using HPLC-DAD-ESI-MS.
View Article and Find Full Text PDFLC-DAD/ESI-MS/MS characterization of phenolic constituents in Rosa canina L. and its protective effect in cells.
Biomed Chromatogr
December 2020
Department of Pharmacy, Faculty of Medical Sciences, University of Batna 2, Algeria.
In an aim to prove the efficiency of polyphenols of Rosa canina fruits in promoting human health. A methanolic extract of R. canina fruits was prepared by successive maceration with solvents of increasing polarity.
View Article and Find Full Text PDFChemical Composition, Antioxidant Potential and Enzymes Inhibitory Properties of Globe Artichoke By-Products.
Chem Biodivers
September 2020
Laboratory of Natural Substances, National Institute of Research and Physico-Chemical Analyses, Biotechpole of Sidi Thabet, Ariana, 2020, Tunisia.
In this study, chemical composition and in vitro biological activities of artichoke by-products (leaves, floral stems and bracts) issued from two Tunisian varieties were evaluated. Analysis was performed by means of high-performance liquid chromatography with diode array detection coupled to electrospray ionization mass spectrometric (LC/DAD/ESI-MS). Total phenolic (TPC) and flavonoid (TFC) contents as well as the antioxidant activity conducted by three complementary methods, DPPH, ABTS and FRAP tests, were performed for each sample.
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