WU Lei, LU Binbin, XI Hui, SUN Shihao, XU Jianying, CHAI Guobi, ZHANG Qidong, ZONG Yongli. Analysis of Aroma Components of Sweet Osmanthus Concrete by Gas Chromatography-mass Spectrometry[J]. Journal of Henan University of Technology(Natural Science Edition), 2019, 40(3): 78-85.
    Citation: WU Lei, LU Binbin, XI Hui, SUN Shihao, XU Jianying, CHAI Guobi, ZHANG Qidong, ZONG Yongli. Analysis of Aroma Components of Sweet Osmanthus Concrete by Gas Chromatography-mass Spectrometry[J]. Journal of Henan University of Technology(Natural Science Edition), 2019, 40(3): 78-85.
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    Analysis of Aroma Components of Sweet Osmanthus Concrete by Gas Chromatography-mass Spectrometry

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    • In order to analyze the total components in sweet osmanthus concrete and evaluate contributions of main aroma components to its odor characteristics,a chemical analysis method using dichloromethane-extraction coupled with gas chromatography-mass spectrometry (GC-MS) was established by optimizing the extraction solvent.Qualitative analysis was carried out by double retention index,and 121 components were found in 5 samples of sweet osmanthus concrete,of which 26 components have not been reported in current literatures.14 main aroma components were screened out by headspace solid phase microextraction (HS-SPME),and their contributions were evaluated by odor activity value (OAV) individually.The results showed that linalool,γ-decalactone,α-ionone,dihydro-β-ionone,β-ionone and phenylethyl alcohol contributed greatly to the odor characteristics of sweet osmanthus concrete.
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