Abstract:
:This is the first report about the modifying antibiotic activity of Eugenia uniflora L. and Eugenia jambolanum L. In this study the ethanol extract of E. uniflora and E. jambolanum was tested for their antimicrobial activity against strains of Escherichia coli. The growth of the two strains of E. coli bacteria tested was not inhibited in a clinically relevant form by the extract. The minimal inhibitory concentration was >or=1,024 microg/mL for both strains of E. coli assayed. Synergism between this extract and gentamicin was demonstrated. In the same extract synergism was observed between chlorpromazine and kanamycin and between amikacin and tobramycin, indicating the involvement of an efflux system in the resistance to these aminoglycosides. It is therefore suggested that extracts from E. uniflora L. and E. jambolanum L. could be used as a source of plant-derived natural products with modifying antibiotic activity to gentamicin.
journal_name
J Med Foodjournal_title
Journal of medicinal foodauthors
Coutinho HD,Costa JG,Falcão-Silva VS,Siqueira-Júnior JP,Lima EOdoi
10.1089/jmf.2009.0158subject
Has Abstractpub_date
2010-08-01 00:00:00pages
1024-6issue
4eissn
1096-620Xissn
1557-7600journal_volume
13pub_type
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