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Modulatory effects of propolis samples from Latin America (Brazil, Cuba and Mexico) on cytokine production by human monocytes
(2015)
Propolis has been used in folk medicine in different regions of the world including Latin America. Propolis is a resinous mixture of substances collected by honey bees from several botanical sources, and its composition ...
Secondary metabolites isolated from Piper chimonantifolium and their antifungal activity
(Taylor & Francis Ltd, 2012-01-01)
In this study, the CH2Cl2 extract from leaves of Piper chimonantifolium was subjected to several chromatographic separation procedures to afford one chromene (gaudichaudianic acid) as a major compound as well as two ...
Efeito de flavonoides sobre microrganismos de interesse endodôntico e sua influência na expressão de marcadores de mineralização
(Universidade Estadual Paulista (Unesp), 2018-02-19)
O tratamento endodôntico de dentes permanentes jovens representa um grande desafio clínico devido a presença de paredes dentinárias finas, divergentes ou paralelas e ápice aberto, o que dificulta a desinfecção e a execução ...
Preparation of water and ethanolic extracts of propolis and evaluation of the preparations
(Taylor & Francis LtdAbingdonInglaterra, 1998)
Flavanoids from Dalea elegans: chemical reassignment and determination of kinetics parameters related to their anti-tyrosinase activity
(Elsevier Science, 2014-12)
In the first chemical investigation developed on the species Dalea elegans twenty years ago, the occurrence of two prenylated derivatives of pinocembrin was reported: 2′,4′-dihydroxy-5′-(1‴,1‴-dimethylallyl)-6-prenylpinocembrin ...
Antibacterial Activity, Antioxidant Effect and Chemical Composition of Propolis from the Región del Maule, Central Chile
(Molecular Diversity Preservation International, 2015-10)
Propolis is commercialized in Chile as an antimicrobial agent. It is obtained mainly from central and southern Chile, but is used for the same purposes regardless of its origin. To compare the antimicrobial effect, the ...
Antifungal activity and toxicity studies of flavanones isolated from Tessaria dodoneifolia aerial parts
(Elsevier Ltd, 2020-10)
Tessaria dodoneifolia [Asteraceae] is traditionally employed in Northwestern Argentina for fungal infections treatment. We report the antifungal activity guided isolation and identification of substances from aerial parts ...
Antibacterial and cytotoxic activity of compounds isolated from Flourensia oolepis
(Hindawi Publishing Corporation, 2015-12)
The antibacterial and cytotoxic effects of metabolites isolated from an antibacterial extract of Flourensia oolepis were evaluated. Bioguided fractionation led to five flavonoids, identified as 2′,4′-dihydroxychalcone (1), ...
Propolis encapsulation by spray drying: Characterization and stability
(Elsevier Science, 2017-01)
Propolis extracts have shown to possess several health beneficial properties attributed to their phenol composition. Several pharmaceutical formulations are based on propolis as active ingredient and it could also be a ...
The effect of Zuccagnia punctata, an argentine medicinal plant, on virulence factors from Candida species
(Natural Products, 2014-07)
Zuccagnia punctata Cav. has been used as a traditional medicine in Argentina for the treatment of bacterial and fungal infections. In this study, we evaluated the ability of Z. punctata extracts (ZpE) and isolated compounds ...