Study of antimicrobial activity of leaf extracts of stevia

Abstract

The results of studies on the antimicrobial activity of 11 different extracts of stevia. The effectiveness of antimicrobial activity of extracts from Stevia plants depends on the availability of biologically active substances. Preparations obtained by using as an extractant, 40% ethyl alcohol (sample 2) based on fresh concentrated extract (Sample 9) and concentrate fresh sheet (sample 4) exhibit high antimicrobial activity against the test micro-organism cultures. An assessment of the biological activity of extracts obtained from the leaves of stevia on the growth and development of bacteria. Found that only 24 hours after exposure extracts plotost cell population reduced by 2-3 times.