Assessment of the antimicrobial activity of Helichrysum arenarium flowers and Lithospermum officinale leaves extracts

Evaluation of the antimicrobial activity of extracts of flowers of Helichrysum and Sparrow leaves Natallya Adamtsevich, Postgraduate Student, Department of Biotechnology, Belarusian State Technological University Valery Baltousky, Professor of the Department of Chemical Processing of Wood and the Department of Biotechnology of the Belarusian State Technological University, Doctor of Technical Sciences, Associate Professor Viktar Lyavontsyev, Head of the Department of Biotechnology, Belarusian State Technological University, Candidate of Chemical Sciences, Associate Professor Uladimir Tsitok, Director of the Central Botanical Garden of the National Academy of Sciences of Belarus, Corresponding Member Su mmary. The article provides an assessment of the antimicrobial activity of the extracts of the everlasting flowers and the leaves of the littlewale against gram-positive (Bacillus subtilis, Staphylococcus aureus), gram-negative (Escherichia coli, Pseudomonas aeruginosa) pathogenic bacteria and yeast-like fungi (Candida albicans). It has been established that the extract of the flowers of the everlasting has an antimicrobial action only against gram-positive bacteria. All types of the studied microorganisms are not sensitive to the extract of the leaves of the littlewale.