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Nat Prod Commun


Title:Profile of volatile components of hydrodistilled and extracted leaves of Jacaranda acutifolia and their antimicrobial activity against foodborne pathogens
Author(s):Singab AN; Mostafa NM; Eldahshan OA; Ashour ML; Wink M;
Address:
Journal Title:Nat Prod Commun
Year:2014
Volume:9
Issue:7
Page Number:1007 - 1010
DOI:
ISSN/ISBN:1934-578X (Print) 1555-9475 (Linking)
Abstract:"Volatile constituents of the essential oil and n-hexane extract of Jacaranda acutifolia Humb. and Bonpl. (Bignoniaceae) leaves were determined, and their antimicrobial activities were investigated using an agar diffusion method. The minimum inhibitory concentrations (MIC) were determined and compared with those of standard antibiotics (penicillin, gentamicin and nystatin). The chemical composition of the oils was analyzed by capillary gas chromatography (GLC-FID) and gas chromatography-mass spectrometry (GLC-MS). Thirty-four components, comprising almost 93.8% of the total peak area, were identified in the leaf essential oil. The main components were methyl linolenate (26.7%), 1-octen-3-ol (10.8%), methyl phenyl acetate (9.9%), beta-linalool (5.5%) and palmitic acid (4.7%). The n-hexane extract revealed similar oil constituents, but also p-benzoquinone, phenyl acetic acid, resorcinol and homogentisic acid. The oil showed some activity against Staphylococcus aureus and Escherichia coli with MIC values of 2.2 and 2.9 mg/mL, respectively, and moderate activity against Candida albicans, Salmonella typhimurium and Shigella flexneri. The n-hexane extract showed moderate activities against all tested microorganisms, with MIC values ranging from 3.5 to 10.2 mg/mL. The antimicrobial activities of the hydrodistilled and extracted leaves make their local traditional uses rational"
Keywords:Anti-Bacterial Agents/chemistry/*pharmacology Bacteria/*drug effects Bignoniaceae/*chemistry Chemical Fractionation Foodborne Diseases/*microbiology Microbial Sensitivity Tests Plant Leaves/*chemistry Volatile Organic Compounds/*chemistry;
Notes:"MedlineSingab, Abdel Nasser B Mostafa, Nada M Eldahshan, Omayma A Ashour, Mohamed L Wink, Michael eng 2014/09/19 Nat Prod Commun. 2014 Jul; 9(7):1007-10"

 
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