The antibacterial activity of complexes of Veronica longifolia herb
DOI:
https://doi.org/10.24959/ubphj.16.12Keywords:
Veronica longifolia, antibacterial activity, complexes of biologically active substances, gram-negative microorganismsAbstract
The screening of antibacterial activity of two complexes of biologically active substances from Veronica longifolia ‘Blaubart’ herb, obtained successively by means of chloroform and ethyl acetate were conducted respect to gram-negative (Escherichia coli, Pseudomonas aeruginosa, Proteus vulgaris) and gram-positive (Staphylococcus aureus, Bacillus subtilis) microorganisms, and as well as to Candida albicans. In obtained complexes iridoids, phenolic compounds had been identified, and carotenoids and chlorophylls had been quantified in lipophilic complex, in phenolic complex – flavonoids and hydrocinnamic acids had been quantified. Complexes have shown potent antibacterial activity against Gram- and moderate activity against Gram+ bacteria, and complexes have shown minimal bacteriostatic and bactericidal effect at a dose twice lower than the comparison remedy (2% solution of Clorophylliptum).
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