Evaluation of seasonal changes in chemical composition and antibacterial activity of Elyonurus muticus (sprengel) O. Kuntze (Gramineae)

Hess, Sônia Corina; Peres, Marize Terezinha Lopes Pereira; Batista, Ana Lúcia; Rodrigues, Janaína Pm; Tiviroli, Soraia Cristina; Oliveira, L; Santos, Cícero W. C.; Fedel, Lis E. S.; Crispim, S. M. A.; Smânia, Artur; Smânia, Elza F. A.; Flach, Adriana; Pantaroto, Suzan

doi:10.1590/s0100-40422007000200025

Cited by 21 publications

(24 citation statements)

References 5 publications

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“…Elionurus muticus showed an essential oil yield of 0.7 0.14 , which is high compared with values obtained by other authors, that reached values around 0.1 to 0.5 considering other species from the genus Elionurus 5,6,29 .…”

Section: Resultsmentioning

confidence: 38%

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Elionurus muticus as an Alternative Source of Citral from Pampa biome, Brazil

et al. 2014

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International audienceElionurus muticus is a grass from Pampa biome and it is an excellent alternative as natural source of citral in southern Brazil. The essential oil has a high citral level (80%) and presents variability for other important chemical compounds. The present studies indicated its cytotoxic effect against Artemia salina and also suggested its application in the control of pathogenic fungi. E. muticus could become an alternative to synthetic fungicides for using in agro-industries and also to screen and develop novel types of selective and natural fungicides

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Section: Resultsmentioning

confidence: 38%

“…Currently, Cymbopogon citratus is one of the natural sources of citral; however, its production per hectare is low in Brazil 4 . Elionurus muticus is an aromatic grass that is characterized by the presence of citral as major compound of its essential oil 5 . E. muticus belongs to the Poaceae family and is known as lemongrass.…”

Section: Introductionmentioning

confidence: 99%

Elionurus muticus as an Alternative Source of Citral from Pampa biome, Brazil

et al. 2014

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“…In addition Lim et al demonstrated the inhibition of airways inflammation by the root of Angelica decurciva (Lim et al, 2014). It was shown that seasonal variation has an impact on the composition of plant extract (Jerkovic et al, 2001; Hess et al, 2007). Regarding this aspect Togolese TP mostly collect their plant material all season but we noticed that the collection during morning time and rainy season were preferred compared to midday, evening and dry season.…”

Section: Discussionmentioning

confidence: 78%

Ethnobotanical Study of Plants Used to Treat Asthma in the Maritime Region in Togo

Gbekley

Katawa

Karou

et al. 2016

AJTCAM

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Background: Asthma is one of the most common chronic diseases in modern society and it is evident that its incidence and severity are increasing, however very little is known about the plants used in the management of the disease. This study therefore aimed to document the plants usage in the Togolese traditional medicine to treat asthma. Methodology: From January to June 2015, an ethnobotanical survey was conducted using a semi-structured questionnaire with traditional healers (THs) in the southern region of Togo. The importance of the plants species was assessed by the calculated use values. Results: In Total, 121 THs (92 males and 29 females) were interviewed and 98 plants species belonging to 54 families were identified as curing asthma. The most represented families were: Leguminosae with 7 species followed by Euphorbiaceae and Rutaceae contributing with 6 and 5 species respectively. Based on the calculated use values the most important species were Carcica papaya L., Cataranthus roseus L., Eucalyptus camaldulensis Dehnh., Piper guineense Thonn., Eucalyptus citriodora Hook., Eucalyptus globules Labill. and Euphorbia hirta L. The leaves and the root were the parts predominantly used to prepare the formulations, mainly decoctions, administrated by oral route. Clinical manifestations such as wheezing (91.74%), difficulty as speaking or coughing (73.55%), dyspnea (66.94%), dry cough (52.89%), sweating and increased heart rate (52.07%) were used by TH to diagnose the disease. Conclusion: This study showed initial evidence of the use of plant materials by Togolese TH to heal asthma. These results could be a starting point for laboratory screenings.

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“…Utilizaram-se 0,5 mL dos extratos clorofórmicos e 1 mL dos extratos etanólicos para as análises. Hess et al (2007) observaram que extratos produzidos a partir de partes de aéreas de Elyonurus miticus coletadas na primavera foram mais efetivos sobre bactérias gram-positivas avaliadas.…”

Section: Determinação De Quinonasunclassified

Análise sazonal do potencial antimicrobiano e teores de flavonoides e quinonas de extratos foliares de Aloe arborescens Mill., Xanthorrhoeaceae

Cardoso¹,

Murakami²,

Mayworm³

et al. 2010

Rev. bras. farmacogn.

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"Seasonal analysis from the antimicrobial potency and flavonoid and quinone content from Aloe arborescens Mill., Xanthorrhoeaceae, leaf extracts". This work has the objective of evaluate the antimicrobial potency and the content of flavonoids and quinones from the Aloe arborescens Mill., Xanthorrhoeaceae, leaf extracts produced in the four seasons of the year. Ethanol and chloroform extracts were prepared from the leaves, the bioassays from antimicrobial activity were developed by the macrodilution method in broth, and dosages of flavonoids and quinones were performed in the extracts. The winter chloroform extract showed the lowest CIM (128 µg/mL) on B. subtilis. The ethanol extract showed the lowest CIM (256 µg/ mL) and the lowest CMM (512 µg/mL) on K. pneumoniae. The summer and fall ethanol extracts showed low antimicrobial activity. The quinones extracts showed inhibitory activity on the tested microorganisms. The winter, spring and summer chloroform extracts showed higher antimicrobial activity compared to the fall chloroform one. The winter ethanol extract content from the leaves were higher in the hotter periods of collection (summer and fall) and the flavonoids content were similar in the four collection periods.

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Evaluation of seasonal changes in chemical composition and antibacterial activity of Elyonurus muticus (sprengel) O. Kuntze (Gramineae)

Cited by 21 publications

References 5 publications

Elionurus muticus as an Alternative Source of Citral from Pampa biome, Brazil

Elionurus muticus as an Alternative Source of Citral from Pampa biome, Brazil

Ethnobotanical Study of Plants Used to Treat Asthma in the Maritime Region in Togo

Análise sazonal do potencial antimicrobiano e teores de flavonoides e quinonas de extratos foliares de Aloe arborescens Mill., Xanthorrhoeaceae

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