A study of chemical composition and antimicrobial activity of Bulgarian propolis.

Unlabelled: Propolis is a natural product which exhibits pronounced antimicrobial and anti-inflammatory effects.

Aim: To analyze the chemical composition and antimicrobial effect of Bulgarian propolis, p-cumaric acid and ferulic acid on certain Gram-positive and Gram-negative microorganisms.

Material And Methods: Ethanol extract of Bulgarian propolis (Propolin) and water extract of Bulgarian propolis (Propolstom), ferulic acid and p-cumaric acid were used.