The Study of Inhibitory Effect of Propolis on Some Gram positive and Gram Negative Bacteria


The inhibitory effect of propolis produced by honey bees was determined for some Gr positive (Staphylococcus aureus, Streptococcus pyogenes, Streptococcus faecalis) and some Gr negative (Klebsiella pnemonia, Salmonella typhimurium, Proteus vulgaris, Pseudomonas aeruginosa, Escherichia coli.), the inhibition was particularly evident on, Staphylococcus aureus, Streptococcus pyogenes and Klebsiella pneumonia. The minimum inhibitory concentration (MIC) of porpolis on these three bacteria were determined. These were 2.5 (µg/disc) for Streptococcus pyogenes, 0.25 for Klebsiella pneumonia and Staphylococcus aureus .