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Seasonal effect on Brazilian propolis antibacterial activity.
J Ethnopharmacol 2000; 73(1-2):243-9JE

Abstract

The behavior of microorganisms towards the antibiotic action of propolis has been widely investigated. Since reports dealing with seasonal effect on propolis activity are not available, this assay was carried out aiming to observe the in vitro antimicrobial activity of propolis, collected during the four seasons, on bacterial strains isolated from human infections. Dilution of ethanolic extract of propolis (EEP) in agar was the method performed, with serial concentrations ranging from 0.4 to 14.0% (% v/v). The behavior of some bacteria was analysed according to the incubation period in medium plus propolis, and the survival curve was plotted. It was verified that the growth of Gram-positive bacteria is inhibited by low propolis concentrations (0.4%) whereas Gram-negative bacteria were less susceptible to this substance, the minimal inhibitory concentration ranging from 4.5 to 8.0%. There was no significant difference with regards to the seasonal effect on the survival curve of Staphylococcus aureus and Escherichia coli; after incubation with propolis, there was an efficient antimicrobial action, mainly towards Gram-positive bacteria.

Authors+Show Affiliations

Department of Microbiology and Immunology, Biosciences Institute, UNESP, 18618-000, SP, Botucatu, Brazil.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

11025162

Citation

Sforcin, J M., et al. "Seasonal Effect On Brazilian Propolis Antibacterial Activity." Journal of Ethnopharmacology, vol. 73, no. 1-2, 2000, pp. 243-9.
Sforcin JM, Fernandes A, Lopes CA, et al. Seasonal effect on Brazilian propolis antibacterial activity. J Ethnopharmacol. 2000;73(1-2):243-9.
Sforcin, J. M., Fernandes, A., Lopes, C. A., Bankova, V., & Funari, S. R. (2000). Seasonal effect on Brazilian propolis antibacterial activity. Journal of Ethnopharmacology, 73(1-2), pp. 243-9.
Sforcin JM, et al. Seasonal Effect On Brazilian Propolis Antibacterial Activity. J Ethnopharmacol. 2000;73(1-2):243-9. PubMed PMID: 11025162.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Seasonal effect on Brazilian propolis antibacterial activity. AU - Sforcin,J M, AU - Fernandes,A,Jr AU - Lopes,C A, AU - Bankova,V, AU - Funari,S R, PY - 2000/10/12/pubmed PY - 2001/2/28/medline PY - 2000/10/12/entrez SP - 243 EP - 9 JF - Journal of ethnopharmacology JO - J Ethnopharmacol VL - 73 IS - 1-2 N2 - The behavior of microorganisms towards the antibiotic action of propolis has been widely investigated. Since reports dealing with seasonal effect on propolis activity are not available, this assay was carried out aiming to observe the in vitro antimicrobial activity of propolis, collected during the four seasons, on bacterial strains isolated from human infections. Dilution of ethanolic extract of propolis (EEP) in agar was the method performed, with serial concentrations ranging from 0.4 to 14.0% (% v/v). The behavior of some bacteria was analysed according to the incubation period in medium plus propolis, and the survival curve was plotted. It was verified that the growth of Gram-positive bacteria is inhibited by low propolis concentrations (0.4%) whereas Gram-negative bacteria were less susceptible to this substance, the minimal inhibitory concentration ranging from 4.5 to 8.0%. There was no significant difference with regards to the seasonal effect on the survival curve of Staphylococcus aureus and Escherichia coli; after incubation with propolis, there was an efficient antimicrobial action, mainly towards Gram-positive bacteria. SN - 0378-8741 UR - https://www.unboundmedicine.com/medline/citation/11025162/Seasonal_effect_on_Brazilian_propolis_antibacterial_activity_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0378-8741(00)00320-2 DB - PRIME DP - Unbound Medicine ER -