Evaluation of the in vitro antimicrobial activity of alcoholic solution and aqueous extract of bee propolis against enterococcus faecalis
Fecha
2015Autor
Materia
Abstract
AIM:' The' purpose' of' this' study' was' to' analyze' the' in' vitro' antimicrobial'activity'of'aqueous'and'alcoholic'extracts'of'propolis'at' 1%' and' 3%' concentrations' against' Enterococcus' faecalis' (ATCC®' 19433).' MATERIAL' AND' METHODS:' Initially,' the' microbial' suspension'was'seeded'in'a'Brain'Heart'Infusion'Agar'(BHIA)'culture' medium,' distributed' in' 20' Petri' dishes.' Then,' 4' soaked' filter' paper' discs' were' placed' on' the' surface' of' the' inoculated'medium'of' each' ...
AIM:' The' purpose' of' this' study' was' to' analyze' the' in' vitro' antimicrobial'activity'of'aqueous'and'alcoholic'extracts'of'propolis'at' 1%' and' 3%' concentrations' against' Enterococcus' faecalis' (ATCC®' 19433).' MATERIAL' AND' METHODS:' Initially,' the' microbial' suspension'was'seeded'in'a'Brain'Heart'Infusion'Agar'(BHIA)'culture' medium,' distributed' in' 20' Petri' dishes.' Then,' 4' soaked' filter' paper' discs' were' placed' on' the' surface' of' the' inoculated'medium'of' each' plate'for'1'minute'in'1'mL'of'the'following'substances:'C+'(positive' control,' n=20):' 2%' ' chlorhexidine' gel;' CE' (negative' control,' n=20):' saline' solution;' S1' (n=10):' 1%' bee' propolis' alcoholic' solution;' S2' (n=10):'3%'bee'propolis'alcoholic'solution;'E1'(n=10):'1%'aqueous' propolis'extract;'E2'(n=10):'3%'aqueous'propolis'extract.'One'filter' paper'disc'of'each'(C+,'CE,'S1'and'S2)'was'placed'in'a'set'of'10'Petri' dishes,'whereas'one'filter'paper'disc'of'each'(C+,'CE,'E1'and'E2)'was' placed' in' the' other' set' of' 10' Petri' dishes.' RESULTS:' The' results' obtained' after' incubation' at' 37°C' for' 24' hours' under' microaerobic' conditions'revealed'that'S2'showed'higher'mean'levels'of'microbial' growth' inhibition' as' compared' to' E1,' E2' and' S1.' There' were' no' significantly'statically'differences'between'the'groups,'except'for'the' S2' group' and'CE' group.'Mean' levels' in' all'other' groups'were' lower' than' in' the' C+' group.' CONCLUSION:' The' study' concluded' that' 1%' and' 3%' bee' propolis' alcoholic' solution' had' lower' antibacterial' activity' against' Enterococcus' faecalis' as' compared' to' 2%' chlorhexidine'gel. ...
En
Journal of Research in Dentistry. Tubarão, SC. Vol. 3, no. 1 (Jan./Feb. 2015), p. 576-582
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