Some Chemical Composition and Biological Activity of Northern Argentine Propolis

Twenty-five samples of propolis were collected from seven different regions in northern Argentina; ethanolic extracts of propolis were prepared from all samples, and the respective samples were examined for UV absorption spectra, RPHPTLC, RPHPLC, antimicrobial activity, antiradical activity, and tot...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2005-02, Vol.53 (4), p.1166-1172
Main Authors: Isla, Maria I, Paredes-Guzman, Julio F, Nieva-Moreno, M. I, Koo, H, Park, Yong K
Format: Article
Language:English
Subjects:
Anti-Bacterial Agents - analysis
antibacterial properties
antioxidant activity
Argentina
Biological and medical sciences
chemical composition
Chromatography, High Pressure Liquid
Ethanol
flavonoids
Flavonoids - analysis
Food industries
Food microbiology
free radicals
Free Radicals - antagonists & inhibitors
Fundamental and applied biological sciences. Psychology
medicinal properties
phenolic compounds
Phenols - analysis
Populus
propolis
Propolis - chemistry
Propolis - pharmacology
resins
Spectrophotometry, Ultraviolet
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Summary:Twenty-five samples of propolis were collected from seven different regions in northern Argentina; ethanolic extracts of propolis were prepared from all samples, and the respective samples were examined for UV absorption spectra, RPHPTLC, RPHPLC, antimicrobial activity, antiradical activity, and total phenolic content. It was found that 16 of the 25 samples showed a phenolic profile similar to that found in samples from southern Brazil and corresponding to poplar-based propolis and that the rest of the samples showed a different profile and higher antimicrobial and antiradical activities. Keywords: Propolis; flavonoids; Apis mellifera; poplar resinous exudates; antiradical activity; antimicrobial activity
ISSN:0021-8561
1520-5118
DOI:10.1021/jf040130h