Propolis is a resinous natural product produced by honeybees using beeswax and plant
exudates. The chemical composition of propolis is highly complex, and varies with region …

Honey and propolis are rich in phenolic compounds, which act as natural antioxidants, and
are becoming increasingly popular because of their potential role in contributing to human …

Propolis, a waxy substance produced by the honeybee, has been adopted as a form of folk
medicine since ancient times. It has a wide spectrum of alleged applications including …

Aims: The chemical composition of ethanol extracts from a Brazilian (Et‐Bra) and a
Bulgarian (Et‐Blg) propolis, and their activity against the protozoan Trypanosoma cruzi …

Acetone and ethanol extracts of two Bulgarian propolis samples (Bur and Lov) were
investigated by high temperature high resolution gas chromatography coupled to mass …

Crude ethanolic extracts of propolis, a natural resin, have been directly analysed using
electrospray ionization mass (ESI-MS) and tandem mass spectrometry (ESI-MS/MS) in the …

Carbohydrates are a very important group of compounds due to their roles as structural
materials, sources of energy, biological functions and environmental analytes; they are …

Eighteen flavonoids including two new compounds, four aromatic carboxylic acids, and
eleven phenolic acid esters including one new compound were isolated and identified from …

Extracts of propolis samples collected in Brazil and Bulgaria were assayed against four
Leishmania species-Leishmania amazonensis, L. braziliensis, L. chagasi from the New …

El propóleo un producto natural elaborado por las abejas melíferas (Apis mellifera) a partir
de los brotes y exudados de diferentes plantas, se ha empleado en la medicina tradicional …