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Molecules 2012, 17(3), 2271-2282; doi:10.3390/molecules17032271
Article

Determination of the Volatile Composition in Brown Millet, Milled Millet and Millet Bran by Gas Chromatography/Mass Spectrometry

1,2,3, 4, 1,2,3,*  and 1,2,3
1 Institute Millet Crops of Heibei, Academy of Agriculture and Forestry, No.162, Hengshan St., Shijiazhuang, Hebei 050035, China 2 National Millet Improvement Center of China, No.162, Hengshan St., Shijiazhuang, Hebei 050035, China 3 Minor Cereal Crops Research Laboratory of Hebei Province, No.162, Hengshan St., Shijiazhuang, Hebei 050035, China 4 College of Food Science and Technology, Agricultural University of Hebei, No.2596, Lekainan St., Baoding, Hebei 071001, China
* Author to whom correspondence should be addressed.
Received: 20 January 2012 / Revised: 15 February 2012 / Accepted: 17 February 2012 / Published: 24 February 2012
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Abstract

The volatile compounds from brown millet (BM), milled millet (MM) and millet bran (MB) were extracted using simultaneous distillation/extraction with a Likens-Nickerson apparatus. The extracts were analysed using gas chromatography coupled with mass spectrometry (GC-MS). A total of 65 volatile compounds were identified in all of the samples. Among these compounds, 51, 51 and 49 belonged to BM, MM and MB, respectively. Aldehydes and benzene derivatives were the most numerous among all of the compounds. Three compounds (hexanal, hexadecanoic acid and 2-methylnaphthalene) were dominant in the BM and MM materials. Eight compounds (hexanal, nonanal, (E)-2-nonenal, naphthalene, 2-methylnaphthalene, 1-methylnaphthalene, hexadecanoic acid and 2-pentylfuran) were dominant in the MB materials. Apart from the aromatic molecules, which were present in all fractions, compounds present only in BM, MM or MB were also identified.
Keywords: volatiles; brown millet; milled millet; millet bran; GC/MS volatiles; brown millet; milled millet; millet bran; GC/MS
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Liu, J.; Tang, X.; Zhang, Y.; Zhao, W. Determination of the Volatile Composition in Brown Millet, Milled Millet and Millet Bran by Gas Chromatography/Mass Spectrometry. Molecules 2012, 17, 2271-2282.

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