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Revista U.D.C.A Actualidad & Divulgación Científica
versión impresa ISSN 0123-4226
Resumen
BARRAGAN, Jesús Viloria et al. ACTIVITY OF ETHANOLIC EXTRACTS OF PROPOLIS FROM EL BAJO CAUCA ANTIOQUEÑO REGION AGAINST TWO FILAMENTOUS FUNGI AND A YEAST. rev.udcaactual.divulg.cient. [online]. 2016, vol.19, n.2, pp.333-340. ISSN 0123-4226.
Propolis is a resin collected by the Apis mellifera bees from botanical species surrounding the apiaries. This resinous material is widely renowned by its antimicrobial properties. The aim of this research was to evaluate the in vitro activity of ethanolic extracts from propolis (EEP), obtained from experimental research apiaries located in the Bajo Cauca antioqueño region, against two filamentous fungi, Botryodiplodia theobromae and Fusarium oxysporum, and a yeast, Candida albicans. Propolis were collected in different periods of the year, by methods of scraping and mesh. Using the macrodilution technique, six doses of EEP ranging from 156 to 5000µgmL-1 were evaluated and minimal inhibitory concentration 80 and inhibitory concentration 50 were determined. Results indicated that the harvest method showed a significant effect on C albicans growth, but not for B theobromae and F oxysporum. The MICs80 observed were between 1211 to 4050µgmL-1, 1567 to 5016µgmL-1 and 1529 to 3568µgmL-1 for B theobromae, F oxysporum and C albicans, respectively. In conclusion, the extracts tested showed a moderate inhibitory growth activity, in comparison with the control; the yeast, C albicans, showed the highestsensibility to the EEP evaluated. Additionally, the collection methods only showed significant differences with respect to minimal inhibitory concentration found for C albicans.
Palabras clave : B theobromae; F oxysporum; C albicans; Antifungal agents.