Chemical Composition and Antimicrobial Activity of Essential oil of Genista numidica Spach. and G. saharae Coss et Dur

Lograda, Takia; Chaker, Adel Nadjib; Cartigny, Pierre; Ramdani, Messaoud; Chalchat, Jean‐Claude; Silini, Hafsa; Figuérédo, Gilles

doi:10.3923/ajps.2009.495.499

Cited by 16 publications

(14 citation statements)

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“…No Brasil, os óleos de coco, palmiste e babaçu, normalmente, são as principais fontes deste ácido graxo (MACHADO et al,2006). Esse ácido graxo pode oferecer benefícios à saúde, sendo responsável por algumas funções como, por exemplo, ação antimicrobiana (LOGRADA et al, 2010); função de melhorar o sistema imunológico (WEATHERILL et al, 2005), além de ser anti-inflamatório (MENENDÉZ et al, 2006). Entretanto, é importante ressaltar que os estudos ainda não são conclusivos e que ainda não existe recomendação nutricional para seu consumo.…”

Section: Resultsunclassified

Perfil lipídico da polpa e amêndoa da guarirova

et al. 2012

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Perfil lipídico da polpa e amêndoa da guarirova

et al. 2012

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“…The increased risk of high-level toxic residues in the products and the emergence of pathogens resistant to the products employed, justifies the search for novel actives molecules and new control strategies. Thus, there are a growing interest on the research of possible use of the plant extracts for control of the pest and diseases in agriculture which is less harmful to the health and environment (Nwosu and Okafor, 2000;Logardia et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Antimycotoxigenic and antifungal activities of Citrullus colocynthis seeds against Aspergillus flavus and Aspergillus ochraceus contaminating wheat stored

Gacem¹,

Khelil²,

Bouabdallah³

et al. 2013

Afr. J. Biotechnol.

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Plant extracts and their constituents have a long history as antifungal agents, but their use in biotechnology as preservatives, due to the increasing resistance of fungi to fungicides, has been rarely reported. The aim of this study was to assess in vitro antifungal and antimycotoxigenic power of methanolic and aqueous extracts of Citrullus colocynthis seeds, an aromatic and medicinal plant, of Algerian flora, against two toxigenic species of the genera Aspergillus responsible of contamination of wheat stored. The antifungal and antimycotoxigenic activity of methanolic and aqueous extracts were screened against Aspergillus ochraceus and Aspergillus flavus. Dillution method was used to investigate the antimicrobial and antimycotoxigenic activity. These bioassays are preceded by a phytochemical screening. The phytochemical analysis of seeds extracts revealed the presence of some chemical groups (polyphenols, steroids and alkaloids) which can express the desired activities. The results suggest that the extracts showed a very good antifungal activity against A. ochraceus, but for A. flavus any antifungal activity was recorded. The extracts have good antiochratoxigenic power in liquid medium. This evaluation confirms that the extracts of C. colocynthis seeds used at low concentration may have significant potential for biological control of fungi and theirs toxins.

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“…Desbois and Smith (2010) also posited that fatty acids are known to create pores that may penetrate the cell membrane which induces portions of the lipid bilayer to be released and disruption of membrane permeability takes place. The previous submission of Lograda et al (2012)…”

Section: Resultsmentioning

confidence: 99%

Plasmid Profiles of Extremophiles Associated with Indigenous Black Soaps and Functional Groups Present

Oyeniran¹,

Oladunmoye²

2015

Microbiology J.

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In the present study, plain indigenous black soap market sample and black soap fortified with brown and white eggshell powder effectively at 20 g/250 mL of molten soap were analyzed microbiologically using standard method after which the bacterial isolates were profiled for presence of plasmid. Structural elucidation of the black soaps was achieved by Gas Chromatography Mass Spectrometry (GCMS) analysis of the methylated fraction. Fungal isolates from plain black soap were Chrysosporium spp. and Aspergillus granulosus while the bacterial isolate: Bacillus vedderi contained plasmid with an estimated molecular weight of 17578 bp. Ramulispora javanicus and Aspergilus flavus while Bacillus vedderi and Bacillus faraginis were fungal isolates were also recorded from black soap fortified with brown and white eggshell powder, respectively. The GCMS analysis revealed fatty acid as the predominant functional group. Plasmid presence in these bacteria may confer extremophily status on them and thus aid their survival in this environment. Antimicrobial activities of the indigenous black in folkloric applications may be predicated on the presence of its fatty acid compounds.

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Chemical Composition and Antimicrobial Activity of Essential oil of Genista numidica Spach. and G. saharae Coss et Dur

Cited by 16 publications

References 16 publications

Perfil lipídico da polpa e amêndoa da guarirova

Perfil lipídico da polpa e amêndoa da guarirova

Antimycotoxigenic and antifungal activities of Citrullus colocynthis seeds against Aspergillus flavus and Aspergillus ochraceus contaminating wheat stored

Plasmid Profiles of Extremophiles Associated with Indigenous Black Soaps and Functional Groups Present

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