Consulta: creatorFacets:"Lima,Rita Baltazar de"
Registros recuperados: 4
Data/hora: 09/06/2024 13:27:52

Synonymies and typification of the Rhamnaceae of Brazil
Provedor de dados: 39
Autores: Lima,Rita Baltazar de; Giulietti,Ana Maria.
In the course of preparing the taxonomic revision of the Rhamnaceae of Brazil for the Catalogue of Plants and Fungi of Brazil, several problems related to typification were detected. Taxonomic observations and nomenclatural notes are here reported based on the analysis of type material, as well as classic and recent collections, in 63 herbaria in Brazil and abroad, together with analyses of virtual herbaria. Types were sought, the majority of which were located and studied. Eleven synonymies, 37 lectotypes and one neotype are designated and defined for seven genera in the family.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rhamnaceae; Taxonomy; Synonymy; Lectotypification.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062014000300010

Growth inhibition and morphological alterations of Trichophyton rubrum induced by essential oil from Cymbopogon winterianus Jowitt ex Bor
Provedor de dados: 58
Autores: 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

Antifungal activity of Cymbopogon winterianus jowitt ex bor against Candida albicans
Provedor de dados: 58
Autores: Oliveira,Wylly Araújo de; Pereira,Fillipe de Oliveira; Luna,Giliara Carol Diniz Gomes de; Lima,Igara Oliveira; Wanderley,Paulo Alves; Lima,Rita Baltazar de; Lima,Edeltrudes de Oliveira.
Candida albicans is an opportunistic yeast and a member of the normal human flora that commonly causes infections in patients with any type of deficiency of the immune system. The essential oils have been tested for antimycotic activity and pose much potential as antifungal agents. This work investigated the activity of the essential oil of Cymbopogon winterianus against C. albicans by MIC, MFC and time-kill methods. The essential oil (EO) was obtained by hydrodistillation using a Clevenger-type apparatus. It was tested fifteen strains of C. albicans. The MIC was determined by the microdilution method and the MFC was determined when an aliquot of the broth microdilution was cultivated in SDA medium. The phytochemical analysis of EO showed presence of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Candida albicans; Antifungal; Cymbopogon winterianus.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000200004

Effects of Cymbopogon winterianus Jowitt ex Bor essential oil on the growth and morphogenesis of Trichophyton mentagrophytes
Provedor de dados: 60
Autores: 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