采用气相色谱/质谱法测定糙米、小米和小米糠中的挥发性成分。
Determination of the volatile composition in brown millet, milled millet and millet bran by gas chromatography/mass spectrometry.
机构信息
Institute Millet Crops of Heibei, Academy of Agriculture and Forestry, No.162, Hengshan St., Shijiazhuang, Hebei 050035, China.
出版信息
Molecules. 2012 Feb 24;17(3):2271-82. doi: 10.3390/molecules17032271.
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.
摘要
采用同时蒸馏萃取法（Likens-Nickerson 装置）提取了棕色小米（BM）、碾磨小米（MM）和小米糠（MB）中的挥发性化合物。使用气相色谱-质谱联用仪（GC-MS）对提取物进行了分析。在所有样品中鉴定出了 65 种挥发性化合物。在这些化合物中，BM、MM 和 MB 分别含有 51、51 和 49 种化合物。醛类和苯衍生物是所有化合物中数量最多的。三种化合物（己醛、十六烷酸和 2-甲基萘）在 BM 和 MM 材料中占主导地位。八种化合物（己醛、壬醛、（E）-2-壬烯醛、萘、2-甲基萘、1-甲基萘、十六烷酸和 2-戊基呋喃）在 MB 材料中占主导地位。除了存在于所有馏分中的芳香族分子外，还鉴定出了仅存在于 BM、MM 或 MB 中的化合物。
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