Antibacterial Activity Of The Hydroalcoholic Extract Of The Red Propolis Of The Paraiba Semiarid On Pseudomonas Aeruginosa

Introduction: The red propolis is a resinous product consumed in the Brazil, of botanical origin of Dalbergia ecastophyllum. The Pseudomonas aeruginosa is a non-fermentative bacillus, negative gram. Objective: To evaluate the antibacterial activity of the hydro alcoholic extract of red propolis over strains of Pseudomonas aeruginosa (ATCC27853). Method: Exploratory research, in vitro. The sample of red propolis was obtained in the apiary in João Pessoa – PB, Northeast, Brazil. The hydroalcoholic extract of propolis was dissolved in Twin to 80 per cent and sterile distilled water; the Minimum Inhibitory Concentration (MIC) was determined by the 96-well plate micro dilution method. The sub inhibitory concentration of the extract and the antibiotics in decreasing concentrations, from 1024µg/ml, diluted sequentially up to 16µg / ml were used to evaluate the modulating activity of the antibiotic action. The statistical analysis was done using ANOVA. Results: The extract of red propolis did not present antimicrobial activity on P. aeruginosa (ATCC27853), because the MIC value was less than or equal to 1024µg/ml. It is suggested the identification of the chemical components of the red propolis of Paraiba, as it may present variation due to seasonality, collection period, different geographical origins, among others.