基于动态顶空成分的烟叶原料香型特征判别分析(英文)

被引：22

作者：

郜强 ^{[1
,2
]}

余苓 ^{[2
]}

陈磊 ^{[2
]}

刘百战 ^{[2
]}

房鼎业 ^{[1
]}

机构：

[1] 华东理工大学化工学院

[2] 上海烟草集团有限公司

来源：

计算机与应用化学 | 2012年 / 29卷 / 03期

关键词：

烟叶香气成分; DHS-GC/MS; 挥发性成分; 主成分; 判别分析;

D O I：

10.16866/j.com.app.chem2012.03.013

中图分类号：

TS411 [];

学科分类号：

摘要：

传统上,国产烤烟根据产地和感官评吸结果分为浓香、清香和中间香三大级别。为了探索国产烤烟香型与香气成分之间的联系,利用吹扫捕集-GC/MS,建立根据不同香型分组的72种烟叶样本的香气成分指纹图谱,并采用判别分析技术进行样本的分类判别。结果显示:对于34个化学变量,浓香、清香和中间香典型判别函数,交叉验证准确率为83.6%。利用主成分分析(PCA)对不同香型烤烟进行区分,获得与感官评价一致的结果。因此,基于顶空香气成分的判别分析能较好地表征烟叶香型归属,有利于揭示不同香型烟叶的化学特征。

引用

页码：309 / 312

页数：4

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