Antimicrobial effect of tallest stonecrop (Sedum telephium L.) and big stonecrop (S. maximum (L.) Hoffm.) extracts

The quantitative content of flavonoid amount in aerial part of S. telephium L. and S. maximum (L.) Hoffm. is investigated. It was respectively 3.32% and 2.42% of the absolutely dry raw material mass. Antimicrobial activity of aqueous alco- holic extract of both species on Staphylococcus aureus ATCC 6538Р, Pseudomonas aeruginosa ATCC 27835, Escherichia coli ATCC  25922.