Avaliação da atividade antimicrobiana do extrato bruto etanólico de magonia pubescens St.Hil. (sapindaceae)
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Data
2000-05
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Editor
Ruy de Souza Lino Junior
Resumo
The antímicrobial activity of the ethanolic extract of the Magonia pubescens
was determinated for Micrococcus (uteus (ATCC 9341), Sfaphylococcus
aureus (ATCC 25923), Enterococcus faecalis (ATCC 1045 U, Escherichia
coli (ATCC 25922), Pseudomonas aeruginosa (ATCC 15442;, Cândida
albicans (ATCC 1023), penicilinase positive S. aureus, penicilinase negative
S. aureus, oxacillin resistante S. aureus, S. epidermidis, S. aureus,
Streptococcus mutans, S. sobrinus (clinicai strains) by agar diffusion assay.
The minimum inhibitory concentration (MIC) of the ethanolic extract was
determinated against coagulase negative staphylococci (SCN) and
Staphylococcus aureus. The M. pubescens inhibited the Micrococcus luteus,
Síapnylococcus and the Cândida albicans, but the streptococci and Gramnegative
rods were not inhibited. Three (12.0%) SCN showed MIC of
10.0u,g/mL, produced penicilinase and were oxacilin resistant. Sixteen strains
presented MIC of 1.25ug/mL, 5 (31.3%) S.aureus and 11 (68.7%) SCN. The
lowest concentration of the ethanolic extract capable of inhibition was
0.625/mL. The SCN were inhibited in higher concentration of the ethanolic
extract than S. aureus. This study notes that the ethanolic extract of M.
pubescens presents antimicrobiat activity against Gram-positive bactéria,
including multiresistant staphylococci and C. albicans. However, the use of
this substance as an antiseptic or desinfectam warrants further research.
Descrição
Palavras-chave
Magonia pubescens, Atividade antimicrobiana, Antimicrobial activity
Citação
PIMENTA, Fabiana Cristina; SILVA, Heloísa Helena Garcia da; ITO, Izabel Yoko; GUIMARÃES, Viviany Pires; SILVA, Ionizete Garcia da. Avaliação da atividade antimicrobiana do extrato bruto etanólico de magonia pubescens st.hil. (sapindaceae). Revista de Patologia Tropical, Goiânia, v. 29, n. 1, p. 35-43, jan./jun. 2000. Disponível em: <https://www.revistas.ufg.br/iptsp/article/view/16346/9958>.