Journal ArticleDOI
HPLC-DAD and HPLC-ESI-MS/MS methods for metabolite profiling of propolis extracts
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TLDR
There is a great variability in the amount of the active compounds: the content of total phenolic acids ranged from 0.17 to 16.67mg/ml and the level of total flavonoids from 2.48 to 41.10 mg/ml.About:
This article is published in Journal of Pharmaceutical and Biomedical Analysis.The article was published on 2011-07-15. It has received 159 citations till now. The article focuses on the topics: Triple quadrupole mass spectrometer & Propolis.read more
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Effect of Ethanol/Water Solvents on Phenolic Profiles and Antioxidant Properties of Beijing Propolis Extracts
TL;DR: Results reveal that phenolic compounds and antioxidant properties of propolis extracts were significantly dependent on the concentration of ethanol/water solvents, and these compounds seem to verify that Beijing propolis may be poplar-type propolis.
Journal ArticleDOI
Standard methods for Apis mellifera propolis research
Vassya Bankova,Davide Bertelli,Renata S. Borba,Bruno José Conti,Ildenize B. S. Cunha,Carolina Danert,Marcos N. Eberlin,Soraia Falcão,María Inés Isla,Mar ́ıa Ines Nieva Moreno,Giulia Papotti,Milena Popova,Karina Basso Santiago,Ana Lilia Salas,Alexandra Christine Helena Frankland Sawaya,Nicolas V. Schwab,José Maurício Sforcin,Michael Simone-Finstrom,Marla Spivak,Boryana Trusheva,Miguel Vilas-Boas,Michael Wilson,Catiana Zampini +22 more
TL;DR: An overview of the available methods for studying propolis in different aspects is given in this article, where the authors give an overview of different aspects of propolis, such as propolis production in the bee colony, chemical composition and plant sources, biological activity, and standardization and quality control for industrial application.
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The determination of phenolic profiles of Serbian unifloral honeys using ultra-high-performance liquid chromatography/high resolution accurate mass spectrometry.
Silvio Kečkeš,Uroš Gašić,Tanja Cirkovic Velickovic,Dušanka Milojković-Opsenica,Maja Natić,Živoslav Lj. Tešić +5 more
TL;DR: The LTQ OrbiTrap technique was proven to be reliable for the unambiguous detection of phenolic acids, their derivatives, and flavonoid aglycones based on their molecular masses and fragmentation pattern.
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Phenolic Profiling of Portuguese Propolis by LC–MS Spectrometry: Uncommon Propolis Rich in Flavonoid Glycosides
Soraia Falcão,Soraia Falcão,Nuno Vale,Paula Gomes,Maria Rosário Domingues,Cristina Freire,Susana M. Cardoso,Miguel Vilas-Boas +7 more
TL;DR: The method allowed the establishment of the phenolic profile of Portuguese propolis from different geographical locations, and the possibility to use some phenolic compounds, such as kaempferol-dimethylether, as geographical markers.
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Evaluation of bioactive compounds potential and antioxidant activity of brown, green and red propolis from Brazilian northeast region.
Julianna Karla Santana Andrade,Marina Denadai,Christean Santos de Oliveira,Maria Lúcia Nunes,Narendra Narain +4 more
TL;DR: Positive correlation between total phenolics versus the FRAP and ORAC methods was established which led to conclusion that antioxidant activity of propolis is mainly due to its phenolic compounds.
References
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Mass spectrometry in the structural analysis of flavonoids
Filip Cuyckens,Magda Claeys +1 more
TL;DR: A review of currently available mass spectrometry methodology used in the structure elucidation of flavonoids is presented and sample preparation, liquid chromatographic/mass spectrometric analysis and tandem mass Spectrometric procedures for the characterization of flav onoid aglycones, O-glycosides, C-glyCosides and acylated glycosides are considered.
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Functional Properties of Honey, Propolis, and Royal Jelly
TL;DR: Biological activities of honey, propolis, and royal jelly are mainly attributed to the phenolic compounds such as flavonoids, which exhibit a wide range of biological activities, including antibacterial, antiviral, anti-inflammatory, antiallergic, and vasodilatory actions.
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Determination of flavone, flavonol, and flavanone aglycones by negative ion liquid chromatography electrospray ion trap mass spectrometry.
TL;DR: The negative ion mode was a powerful complementary tool of the positive ion mode for the structural characterization of flavonoid aglycones by ESI-MS/MS, and several structurally informative anions appeared highly specific of thenegative ion mode.
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Chemical diversity of propolis and the problem of standardization.
TL;DR: Working with standardized material will allow scientists to connect a particular chemical propolis type to a specific type of biological activity and formulate recommendations for mainstream practitioners.
Journal ArticleDOI
Recent trends and important developments in propolis research.
TL;DR: The most important trends and developments in recent propolis research are outlined: biological studies performed with chemically characterized samples, bioassay-guided studies of active principles and comparative biological studies of propolis of different origin and chemical composition.