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Nat Prod Res


Title:"Solid phase microextraction of volatile organic compounds released from leaves, roots and gum of Astragalus microcephalus Willd., followed by GC and GC/MS analysis"
Author(s):Djozan D; Movafeghi A; Razeghi JA; Baheri T;
Address:"Department of Analytical Chemistry, Faculty of Chemistry, Tabriz, Iran. djozan@tabrizu.ac.ir"
Journal Title:Nat Prod Res
Year:2008
Volume:22
Issue:18
Page Number:1660 - 1669
DOI: 10.1080/14786410701877930
ISSN/ISBN:1478-6427 (Electronic) 1478-6419 (Linking)
Abstract:"A solid phase microextraction sampling method using homemade pencil-lead fibre coupled with gas chromatography was developed as a fast, easy and reliable monitoring technique to recognise the organic volatile compounds of the roots, leaves and gum of Astragalus microcephalus. The efficiency and reliability of different fibres such as homemade pencil-lead and commercial polydimethylsiloxan, as well as polyacrylate, were evaluated and the most effective fibre for recognition of these compounds was selected. Some effective experimental parameters, such as extraction time and chromatographic conditions, were examined and optimised. Under the optimised conditions, various volatile compounds such as 2-hexyn-1-ol, pentanal 3-methyl, caryophyllene, octadecane and some chlorinated components were identified in different parts of A. microcephalus. The results obtained showed that in distinct parts of A. microcephalus, the nature and level of the volatiles were varied"
Keywords:Astragalus Plant/*chemistry Gas Chromatography-Mass Spectrometry/*methods Plant Gums/chemistry Plant Leaves/chemistry Plant Roots/chemistry Solid Phase Microextraction/*methods Volatile Organic Compounds/*isolation & purification;
Notes:"MedlineDjozan, Dj Movafeghi, A Razeghi, J A Baheri, T eng England 2008/12/17 Nat Prod Res. 2008 Dec; 22(18):1660-9. doi: 10.1080/14786410701877930"

 
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