Atividade antimicrobiana de Senecio heterotrichius DC. (Asteraceae)

Francescato, Leandro Nicolodi; Deuschle, Regis Augusto Norbert; Mallmann, Carlos Augusto; Alves, Sydney Hartz; Heinzmann, Berta Maria

doi:10.1590/s1516-93322007000200010

Cited by 11 publications

(9 citation statements)

References 37 publications

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“…This compound is present in several plant families, including Asteraceae (Mouzuraitis et al, 2002) and is frequently found in Senecio species (Bohlmann & Zdero, 1982b;Bohlmann et al, 1980Bohlmann et al, , 1983Bohlmann et al, , 1985Deuschle, 2003;Deuschle et al, 2007;Francescato et al, 2003;Francescato, 2007;Murari 2007;Jakupovic et al, 1991). As biological activity is to emphasize it's ability to interact with insects and other organisms (Mozuraitis et al, 2002;Rostelien et al, 2000;Stranden et al, 2002).…”

Section: Resultsmentioning

confidence: 99%

Sesquiterpenoids of Senecio bonariensis Hook. & Arn., Asteraceae

Silva¹,

Bolzan²,

Mallmann³

et al. 2010

Rev. bras. farmacogn.

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Section: Resultsmentioning

confidence: 99%

Sesquiterpenoids of Senecio bonariensis Hook. & Arn., Asteraceae

Silva¹,

Bolzan²,

Mallmann³

et al. 2010

Rev. bras. farmacogn.

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“…The greater sensitivity of S. aureus is in accordance to literature, which indicates a greater sensitivity of this bacterium to secondary metabolites (Ferreira et al, 2010). The double membrane present in gram-negative bacteria makes up a complex casing, responsible for the lower sensitivity of these microorganisms to plant extracts (Francescato, Deuschle, Mallmann, Alves, & Heinzmann, 2007), as well as lower antifungal activity in natural compounds (Estevez-Braun, Estevez-Reyes, Moujir, Ravelo, & Gonzalez, 1994).…”

Section: Discussionmentioning

confidence: 99%

Preliminary evaluation of antioxidant and antimicrobial activities of Luffa Operculata (L.) Cong. extracts

Bulka

Hacke

Pawlak

et al. 2020

Acta Sci. Health Sci.

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Luffa operculata is a medicinal plant widely used in the treatment of rhinosinusitis in Brazil. The aim of this work was to carry out a preliminary analysis of the antioxidant and antimicrobial profile of Luffa operculata extracts. The antioxidant activity of the commercial solution, hydroalcoholic extract, infusion and ethanolic extract obtained from the commercialized fruit were evaluated for 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS•+) and 2,2-Diphenyl-1-picrylhydrazyl (DPPH•) radicals. The antimicrobial activity was determined by minimum inhibitory concentration against the pathogens Staphylococcus aureus, Escherichia coli and Candida albicans. It was shown that the hydroalcoholic extract exhibited the highest antioxidant and antimicrobial activity when compared to the aqueous and ethanolic extracts by the methods employed on this work. Thus, the extracts of Luffa operculata are a good source of active principles with pharmacological activity.

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“…La utilización de plantas pertenecientes al género Senecio como medicinales es debido a la presencia de diferentes clases de metabolitos secundarios, puesto que son ricos en monoterpenoides, sesquiterpenoides, flavonoides, entre otros. Por otro lado, las actividades biológicas comprobadas para estas especies son variadas, tales como, propiedades insecticidas, actividades antimicrobiana, citotóxica, antiviral y antioxidante (Francescato et al, 2007) y el aceite esencial derivado de sus diferentes órganos (hojas, tallos y flores) presentan variaciones en su composición química. S. graveolens Wedd, conocida como "chachacoma", crece como arbusto en el sur de Brasil, y en los andes de Argentina, Chile y Perú.…”

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Extraction, characterization and evaluation of antibacterial activity of essential oil of Senecio graveolens Wedd (Wiskataya)

et al. 2012

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Recibido 15 abril 2012; aceptado 15 diciembre 2012Resumen El objetivo del presente trabajo fue extraer, caracterizar y evaluar la actividad antibacteriana del aceite esencial de Senecio graveolens Wedd (Wiskataya) frente a Escherichia coli y Staphylococcus aureus ATCC 29923. Las hojas y tallos se recolectaron a una altitud de 3800 m.s.n.m. en el distrito de Puquio, provincia de Lucanas, departamento de Ayacucho. El aceite esencial se obtuvo por destilación por arrastre con vapor de agua, a partir de las hojas y tallos desecados de S. graveolens, con rendimiento de 1,26 % (p/p). La muestra extraída fue caracterizada a través de ensayos físicos. La composición química del aceite se evaluó mediante cromatografía de gas con detector de masa (CG-SM). La actividad antibacteriana del aceite de S. graveolens se realizó por el método de difusión en agar en pocillos, utilizando cepas de microorganismos gram positivo como S. aureus y gram negativo como E. coli. La densidad del producto resultó 0,8755 g/ml a 20 ºC; índice de refracción 1,4726; índice de rotación 102°85' y soluble en etanol; el cromatograma mostró componentes mayoritarios con un contenido de 52,39 % Sabineno, 8,20 % (+)-4-careno, 7,11 % τ-terpineno, 6,74 % β-myrceno, 3,78 % 4-terpinenol, 3,67 % Pulegona. Los resultados mostraron actividad antibacteriana marcada y moderada, para S. aureus y E. coli, respectivamente, observándose formación de halos de inhibición para concentraciones del aceite esencial a 80, 90 y 100 %. El aceite esencial de S. graveolens se presenta con actividad antibacteriana promisoria. Palabras clave: Wiskataya, Senecio graveolens Wedd, aceite esencial, actividad antibacteriana. AbstractThe aim of this work was extract, characterize and evaluate the antibacterial activity of the essential oil of Senecio graveolens Wedd (Wiskataya) against Escherichia coli and Staphylococcus aureus ATCC 29923. The leaves and stems of S. graveolens were collected in the district of Puquio 3800 m.s.n.m., Lucanas province, and department of Ayacucho. The essential oil was obtained by steam water destilation dried leaves and stems with yield 1.26% (w/w) to which physical testing were performed. The chemical composition was evaluated by gas chromatography with mass detector (GC-MS). Antibacterial activity of S. graveolens oil was tested by agar diffusion method in wells against Gram positive strains such as S. aureus ATCC 29923 and Gram negative as E. coli. The density a 20 ºC was 0.8755 g/ml; the index refraction was 1.4726 and the rate rotation was 102° 85' and the solubility miscible in ethanol. The GC-MS showed the main components sabinene (52.39 %), (+)-4-carene (8.20 %), τ-terpinen (7.11 %), β-myrcene (6.74 %), 4-terpinenol (3.78 %) and pulegone (3.67 %). The results showing activity strong antibacterial activity and moderate, respectively, for the strains tested, observing formation of inhibition halos for essential oil concentrations at 80, 90 and 100 % in both strains. The essential oil of S. graveolens presented with promising antibacterial activity.

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Atividade antimicrobiana de Senecio heterotrichius DC. (Asteraceae)

Cited by 11 publications

References 37 publications

Sesquiterpenoids of Senecio bonariensis Hook. & Arn., Asteraceae

Sesquiterpenoids of Senecio bonariensis Hook. & Arn., Asteraceae

Preliminary evaluation of antioxidant and antimicrobial activities of Luffa Operculata (L.) Cong. extracts

Extraction, characterization and evaluation of antibacterial activity of essential oil of Senecio graveolens Wedd (Wiskataya)

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