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    李勇, 逄涛, 师君丽, 邹聪明, 王亚辉, 宋中邦, 顾华国, 隋学艺. 硃砂烟叶主要香气物质特征解析[J]. 中国烟草科学, 2021, 42(4): 78-84. DOI: 10.13496/j.issn.1007-5119.2021.04.012
    引用本文: 李勇, 逄涛, 师君丽, 邹聪明, 王亚辉, 宋中邦, 顾华国, 隋学艺. 硃砂烟叶主要香气物质特征解析[J]. 中国烟草科学, 2021, 42(4): 78-84. DOI: 10.13496/j.issn.1007-5119.2021.04.012
    LI Yong, PANG Tao, SHI Junli, ZOU Congming, WANG Yahui, SONG Zhongbang, GU Huaguo, SUI Xueyi. Analysis of Flavor Compounds of Cherry-red Tobacco[J]. CHINESE TOBACCO SCIENCE, 2021, 42(4): 78-84. DOI: 10.13496/j.issn.1007-5119.2021.04.012
    Citation: LI Yong, PANG Tao, SHI Junli, ZOU Congming, WANG Yahui, SONG Zhongbang, GU Huaguo, SUI Xueyi. Analysis of Flavor Compounds of Cherry-red Tobacco[J]. CHINESE TOBACCO SCIENCE, 2021, 42(4): 78-84. DOI: 10.13496/j.issn.1007-5119.2021.04.012

    硃砂烟叶主要香气物质特征解析

    Analysis of Flavor Compounds of Cherry-red Tobacco

    • 摘要: 为了研究硃砂烟叶特征“糯米香”风味的物质基础,采用同时蒸馏萃取-气相色谱-质谱法分析了硃砂烟叶(云烟87变异株)及其对照(云烟87)的香气物质特征。结果发现,在检出的114种香气成分中,硃砂烟的平均香气物质含量是对照烟叶的2.5倍,硃砂烟中含量高于对照烟叶的化合物有96种,其中有52种香气物质的平均变化倍率(硃砂/对照)大于1.5。这些化合物主要来自非酶棕色化反应和类胡萝卜素降解,是烟叶主体香味的重要组成部分。与文献数据比对发现本试验与相关文献有21种共同检出的香气物质,其中16种香气物质在本试验和文献数据中均表现为硃砂烟中含量高于对照烟。试验还发现麦斯明、3-氧代-a-紫罗兰酮、糠醇、2-环戊烯-1,4-二酮、面包酮、吡啶-3-甲醛以及未知物18的含量分布存在对照烟叶<浅色硃砂烟<深色硃砂烟的规律,说明硃砂烟的颜色深浅可能与这些香气成分的含量有关。香气物质含量的总体提高可能是硃砂烟形成其特征“糯米香”的物质基础。

       

      Abstract: Flavor compounds screening of cherry-red tobacco leaf and normal flue-cured tobacco leaf was performed to elucidate the chemical basis of the "glutinous rice flavor" of cherry-red tobacco leaf. One hundred and fourteen flavor compounds were detected and the average content of these compounds in cherry-red tobacco was 2.5 times of that of the control. There were 96 compounds with higher concentration in the cherry-red tobacco than the control, of which, 52 compounds with fold-change (cherry-red/control) more than 1.5 were identified. These compounds, mostly from the Maillard reaction and the decomposition of carotenoids, are very important contributors of the dominant flavor of tobacco. The results of this study were compared with published references and 21 common compounds were extracted. Collectively higher concentrations in cherry-red tobacco for 16 of the common compounds were discovered. The relationship between the level of the red color of the cherry-red tobacco and the concentration of the flavor compounds was also studied. The concentration of myosmine, 3-oxo-a-ionone, 2-hydroxymethyl-furan, 2-Cyclopentene-1,4 -dione, 2-methyltetrahydrofuran-3-one, nicotinaldehyde, and the unknown compound 18 were found to have the lowest concentration in the control and the highest concentration in the dark cherry-red, indicating that the concentration of these compounds maybe related to the color of the cherry-red tobacco. The elevated concentration of the detected flavor compounds may account for the basis of the "glutinous rice flavor".

       

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