Reference of 623-53-0, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 623-53-0, Name is Ethyl methyl carbonate, SMILES is O=C(OC)OCC, belongs to esters-buliding-blocks compound. In a article, author is Dukanovic, Stefana, introduce new discover of the category.
Antistaphylococcal and biofilm inhibitory activities of Frangula alnus bark ethyl-acetate extract
Staphylococcus aureus is one of the leading causative of numerous infections that is resistant to various antibiotics. Since that we are facing with a serious problem of bacterial resistance it is necessary to find a new antibacterial agents in fight with it. Frangula alnus is traditionally used plant but its antibiofilm potential is poorly investigated. The aim of the study was to investigate antibiofilm activity of F. alnus ethyl-acetate extract (FA) toward S. aureus ATCC strains and clinical isolates as well as its influence on respiration in planktonic and biofilm form. The qualitative GCxGC-MS and quantitative LC-MS/MS analysis revealed that FA extract was rich in phenols and flavonoids and emodin, chatechin, and ester 4-ethoxy benzoic acid were the most dominant components. Results obtained through microdillution assay showed that FA possesses strong antibacterial activity. Furthermore, crystal violet staining of biofilm biomass demonstrated that extract had strong effect on biofilm formation of all tested strains while effect on preformed biofilms was less pronounced. The effect on biofilm was confirmed with scanning electron microscopy where the changes in biofilm structure were noticed. The activity of extract on the consumption of O-2 and production of CO2 was monitored using the Micro-Oxymax respirometer. Interestingly, respiration of the most strains was decreased in planktonic form as well as in biofilms. Results obtained in this study are a good basis for further research in order to discover the mechanism of action of the FA extract on connection between biofilm and respiration.
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