Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry

The volatile compounds in foxtail millet sake were extracted by headspace solid-phase microextraction (HS-SPME) and analyzed using gas chromatography-mass spectroscopy (GC-MS). Different methods of sample preparation were used to optimize this method (SPME fiber types, sample amount, extraction time...

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Main Authors: Jingke Liu, Wei Zhao, Shaohui Li, Aixia Zhang, Yuzong Zhang, Songyan Liu
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2015/239016
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author Jingke Liu
Wei Zhao
Shaohui Li
Aixia Zhang
Yuzong Zhang
Songyan Liu
author_facet Jingke Liu
Wei Zhao
Shaohui Li
Aixia Zhang
Yuzong Zhang
Songyan Liu
author_sort Jingke Liu
collection DOAJ
description The volatile compounds in foxtail millet sake were extracted by headspace solid-phase microextraction (HS-SPME) and analyzed using gas chromatography-mass spectroscopy (GC-MS). Different methods of sample preparation were used to optimize this method (SPME fiber types, sample amount, extraction time, extraction temperature, content of NaCl, and rotor speed). For final method of sample preparation, 8 mL of sake was placed in a 15 mL headspace vial with addition of 1.5 g of NaCl; a 50/30 μm DVB/CAR/PDMS SPME fiber was used for extraction at 50°C for 30 min with 10 rpm continuous stirring. A total of 41 volatile compounds were identified from the sake sample, including 9 esters, 6 alcohols, 4 acids, 4 aldehydes, 9 hydrocarbons, 7 benzene derivatives, and 2 others. The main volatile compounds were ethyl acetate, phenylethyl alcohol, butanedioic acid diethyl ester, and hexadecane. According to their odors active values (OAVs), 10 volatile compounds were established to be odor active compounds and to contribute to the typical foxtail millet sake aroma. Hexanoic acid ethyl ester was the most prominent odor active compound.
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institution Kabale University
issn 2090-9063
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language English
publishDate 2015-01-01
publisher Wiley
record_format Article
series Journal of Chemistry
spelling doaj-art-abf0535ec37f4baea6240ea080bcfe9e2025-02-03T05:44:01ZengWileyJournal of Chemistry2090-90632090-90712015-01-01201510.1155/2015/239016239016Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass SpectrometryJingke Liu0Wei Zhao1Shaohui Li2Aixia Zhang3Yuzong Zhang4Songyan Liu5Institute Millet Crops of Hebei, Academy of Agriculture and Forestry, No. 162, Hengshan Street, Shijiazhuang, Hebei 050035, ChinaInstitute Millet Crops of Hebei, Academy of Agriculture and Forestry, No. 162, Hengshan Street, Shijiazhuang, Hebei 050035, ChinaInstitute Millet Crops of Hebei, Academy of Agriculture and Forestry, No. 162, Hengshan Street, Shijiazhuang, Hebei 050035, ChinaInstitute Millet Crops of Hebei, Academy of Agriculture and Forestry, No. 162, Hengshan Street, Shijiazhuang, Hebei 050035, ChinaInstitute Millet Crops of Hebei, Academy of Agriculture and Forestry, No. 162, Hengshan Street, Shijiazhuang, Hebei 050035, ChinaShijiazhuang Livestock Products Quality Inspection & Supervision Center, No. 3, Yixi Street, Shijiazhuang, Hebei 050041, ChinaThe volatile compounds in foxtail millet sake were extracted by headspace solid-phase microextraction (HS-SPME) and analyzed using gas chromatography-mass spectroscopy (GC-MS). Different methods of sample preparation were used to optimize this method (SPME fiber types, sample amount, extraction time, extraction temperature, content of NaCl, and rotor speed). For final method of sample preparation, 8 mL of sake was placed in a 15 mL headspace vial with addition of 1.5 g of NaCl; a 50/30 μm DVB/CAR/PDMS SPME fiber was used for extraction at 50°C for 30 min with 10 rpm continuous stirring. A total of 41 volatile compounds were identified from the sake sample, including 9 esters, 6 alcohols, 4 acids, 4 aldehydes, 9 hydrocarbons, 7 benzene derivatives, and 2 others. The main volatile compounds were ethyl acetate, phenylethyl alcohol, butanedioic acid diethyl ester, and hexadecane. According to their odors active values (OAVs), 10 volatile compounds were established to be odor active compounds and to contribute to the typical foxtail millet sake aroma. Hexanoic acid ethyl ester was the most prominent odor active compound.http://dx.doi.org/10.1155/2015/239016
spellingShingle Jingke Liu
Wei Zhao
Shaohui Li
Aixia Zhang
Yuzong Zhang
Songyan Liu
Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
Journal of Chemistry
title Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
title_full Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
title_fullStr Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
title_full_unstemmed Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
title_short Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
title_sort determination of volatile compounds in foxtail millet sake using headspace solid phase microextraction and gas chromatography mass spectrometry
url http://dx.doi.org/10.1155/2015/239016
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