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J Chromatogr Sci

Title:		Extraction of Citrus paradisi Volatile Components by Headspace Single-Drop Microextraction and Statistical Modeling
Author(s):		Sadeghian F; Ebrahimi P; Shakeri A; Jamali MR;
Address:		"Department of Chemistry, Faculty of Basic Sciences, Golestan University, PO Box 155, Gorgan 4913815759, Iran. Department of Chemistry, Faculty of Basic Sciences, Golestan University, PO Box 155, Gorgan 4913815759, Iran epouneh@yahoo.com p.ebrahimi@gu.ac.ir. School of Chemistry, University College of Science, University of Tehran, Tehran, Iran. Department of Chemistry, Payame Noor University, Tehran, Iran"
Journal Title:		J Chromatogr Sci
Year:		2016
Volume:		20160404
Issue:		7
Page Number:		1263 - 1269
DOI:		10.1093/chromsci/bmw038
ISSN/ISBN:		1945-239X (Electronic) 0021-9665 (Linking)
Abstract:		"In present study, headspace single-drop microextraction (HS-SDME) was applied for the extraction and preconcentration of the volatile components of the plant sample into a microdrop surface. The extraction occurred by suspending a microliter drop of the solvent from the tip of a microsyringe to the headspace of a ripe fruit sample (grapefruit Citrus paradisi) in a sealed vial for a preset extraction time. Then the microdrop was retracted back into the microsyringe and injected directly into a gas chromatography injection port. The chemical composition of the SDME extracts was confirmed according to their mass spectra, and quantitative analysis was performed by gas chromatography-flame ionization detector (GC-FID). Response surface methodology along with Box-Behnken design was applied to optimize the extraction condition of four components, d-limonene, beta-myrcene, alpha-pinene and beta-pinene, from the peel of grapefruit. Parameters considered for SDME include the kind of the extracting solvent, size of drop, extraction temperature and extraction time. The optimized condition was microdrop volume of 1 microL, extraction time of 2 min and sample temperature of 50 degrees C"
Keywords:		"Acyclic Monoterpenes Bicyclic Monoterpenes Bridged Bicyclo Compounds/*isolation & purification Chromatography, Gas/*methods Citrus paradisi/*chemistry Cyclohexenes/*isolation & purification Factor Analysis, Statistical Flow Injection Analysis Fruit/chemis;"
Notes:		"MedlineSadeghian, F Ebrahimi, P Shakeri, A Jamali, M R eng 2016/04/07 J Chromatogr Sci. 2016 Aug; 54(7):1263-9. doi: 10.1093/chromsci/bmw038. Epub 2016 Apr 4"