| A novel method for the determination of total 1,3-octanediols in apple juice via 1,3-dioxanes by solid-phase microextraction and high-speed gas chromatography. | |
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MedLine Citation:
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PMID: 20299018 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In this work, a novel, simple and fast method based on solid-phase microextraction (SPME) followed by high-speed gas chromatography (HSGC) was developed for the analysis of total 1,3-octanediols in apple juices by means of derivatization reaction to volatile 1,3-dioxanes. The derivatization reaction, SPME conditions, glycosidically bound fraction and 1,3-nonanediol as a surrogate standard were studied. The formation of 1,3-dioxanes from 1,3-diols was confirmed by GC-MS. The method was validated obtaining a regression coefficient (r(2)) of 0.9996, precisions between 0.3 and 9.8%, extraction recoveries in the range 94.7-112.2% and LOD of 2.9 microg l(-1). Experimental design has been employed in the optimization of extraction factors and robustness assessment. The method was applied to the analysis of 21 Asturian apple varieties finding a double reciprocal relationship between the concentrations of saturated and unsaturated 1,3-octanediol. |
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Authors:
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Daniel D?az Llorente; Pilar Arias Abrodo; Enrique Dapena de la Fuente; Juan Jos? Mangas Alonso; Maria Dolores Guti?rrez Alvarez; Domingo Blanco Gomis |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-03-03 |
Journal Detail:
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Title: Journal of chromatography. A Volume: 1217 ISSN: 1873-3778 ISO Abbreviation: J Chromatogr A Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-04-12 Completed Date: 2010-06-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9318488 Medline TA: J Chromatogr A Country: Netherlands |
Other Details:
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Languages: eng Pagination: 2993-9 Citation Subset: IM |
Copyright Information:
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2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Departamento de Qu?mica F?sica y Anal?tica, Universidad de Oviedo, C/ Juli?n Claver?a 8, E-33006 Oviedo, Spain. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Beverages
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analysis* Chromatography, Gas / methods* Dioxanes / chemistry* Malus / chemistry* Molecular Structure Octanes / analysis*, chemistry Solid Phase Microextraction / methods* |
| Chemical | |
Reg. No./Substance:
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0/Dioxanes; 0/Octanes |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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