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Effect of cinnamomum zeylanicum blume essential oil on the rowth and morphogenesis of some potentially pathogenic Aspergillus species BJM
Carmo,Egberto Santos; Lima,Edeltrudes de Oliveira; Souza,Evandro Leite de; Sousa,Frederico Barbosa de.
Cinnamomum zeylanicum Blume is known for a wide range of medicinal properties. This study aimed to assess the interference of C. zeylanicum essential oil on the growth and morphogenesis of some potentially pathogenic Aspergillus species. The essential oil presented strong antifungal effect causing the growth inhibition of the assayed strains and development of large growth inhibition zones. MIC50 and MIC90 values were 40 and 80 µL/mL, respectively. 80, 40 and 20 µL/mL of the oil strongly inhibited the radial mycelial growth of A. niger, A. flavus and A. fumigatus along 14 days. 80 and 40 µL/mL of the oil caused a 100% inhibition of the fungal spore germination. Main morphological changes observed under light microscopy provided by the essential oil in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aspergillus; Cinnamomum zeylanicum Blume; Essential oil; Antifungal activity.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000100021
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Effects of Cymbopogon winterianus Jowitt ex Bor essential oil on the growth and morphogenesis of Trichophyton mentagrophytes BJPS
Pereira,Fillipe de Oliveira; Wanderley,Paulo Alves; Viana,Fernando Antônio Cavalcanti; Lima,Rita Baltazar de; Sousa,Frederico Barbosa de; Santos,Sócrates Golzio dos; Lima,Edeltrudes de Oliveira.
Trichophyton mentagrophytes is a fungus causative agent of dermatophytosis, affecting humans worldwide. This has driven the search for products for the treatment of these infections. Accordingly, the aim of this study was to investigate the antifungal activity of the Cymbopogon winterianus essential oil against T. mentagrophytes. The antifungal tests consisted of antifungal screening, determination of MIC and MFC, analysis of the essential oil's effects on mycelial growth, germination of fungal spores, fungal viability, morphogenesis, cell wall (test with sorbitol) and cell membrane (cell leakage test) of T. mentagrophytes. Upon screening, the oil inhibited all strains, with zones of growth inhibition of 24-28 mm in diameter. The MIC was 312 μg/mL and CFM...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Trichophyton mentagrophytes/mycology; Dermatophytosis Cymbopogon winterianus/essential oil; Dermatophytosis Cymbopogon winterianus/antifungal activity; Dermatophytes.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502011000100018
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Efficacy of Origanum essential oils for inhibition of potentially pathogenic fungi BJPS
Souza,Nadábia Almeida B; Lima,Edeltrudes de Oliveira; Guedes,Diego Nunes; Pereira,Fillipe de Oliveira; Souza,Evandro Leite de; Sousa,Frederico Barbosa de.
This study aimed to assess the efficacy of O. vulgare L. and O. majorana L. essential oil in inhibiting the growth and survival of potentially pathogenic fungal strains and also sought to evaluate the possible mechanisms involved in the establishment of the antifungal property of the tested essential oils through assays of osmotic stability and morphogenesis. Test strains included in this study were Candida albicans ATCC 7645, C. tropicalis LM-14, C. krusei LM-09, Cryptococcus neoformans FGF-5, Aspergillus flavus LM-02, A. fumigatus IPP-21, T. rubrum ATCC 28184, T. mentagrophytes LM-64, Microsporum gypseum ATCC 184, M. canis LM-36 and Cladosporium herbarium ATCC 26362. O. vulgare essential oil presented a MIC value of 80 µL/mL, while for O. majorana this...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Essential oil; Pathogen fungi; Origanum sp/antifungal property.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502010000300013
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Growth inhibition and morphological alterations of Trichophyton rubrum induced by essential oil from Cymbopogon winterianus Jowitt ex Bor BJM
Pereira,Fillipe de Oliveira; Wanderley,Paulo Alves; Viana,Fernando Antônio Cavalcanti; Lima,Rita Baltazar de; Sousa,Frederico Barbosa de; Lima,Edeltrudes de Oliveira.
Trichophyton rubrum is one of the most common fungi causer of dermatophytosis, mycosis that affect humans and animals around the world. Researches aiming new products with antifungal activity become necessary to overcome difficulties on treatment of these infections. Accordingly, this study aimed to investigate the antifungal activity of essential oil from Cymbopogon winterianus against the dermatophyte T. rubrum. The antifungal screening was performed by solid medium diffusion method with 16 T. rubrum strains, minimum inhibitory concentration (MIC) and minimum fungicide concentration (MFC) were determined using the microdilution method. The effects on mycelial dry weight and morphology were also observed. Screening showed essential oil in natura inhibited...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Trichophyton; Essential oil; Cymbopogon.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000100029
Registros recuperados: 4
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