不同产地烤烟花蕾浸膏挥发性成分的主成分分析
The principal component analysis on volatile components of flue-cured tobacco bud extract from different producing areas
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摘要: 采用超声水提法制备6种不同产地的烤烟花蕾浸膏,并添加进卷烟进行感官评吸,从中选取2种评吸感觉较好和1种评吸感觉较差的浸膏,采用溶剂萃取法提取其挥发性成分进行GC-MS分析和主成分分析.感官评吸结果表明,6种不同产地的烤烟花蕾浸膏对卷烟加香效果的优劣顺序为:云南文山 > 重庆奉节 > 贵州兴义 > 云南昭通 > 对照样品 > 广西河池 > 湖南邵阳,其中添加了云南文山和重庆奉节烤烟花蕾浸膏的卷烟内在品质比对照样品有明显提升.对云南文山、重庆奉节和湖南邵阳烤烟花蕾浸膏分别进行GC-MS分析,结果表明,其挥发性成分、种类和含量均存在较大差异.主成分分析表明,不同挥发性成分对3种浸膏的影响力不同,对3种浸膏的主成分综合得分进行排序,可得云南文山 > 重庆奉节 > 湖南邵阳,该结果与感官评吸结果一致.Abstract: Six flue-cured tobacco bud extract samples from different areas were prepared by ultrasonic water extraction method for sensory evaluation.The volatile components from three extract samples including two better and one worse according to sensory evaluation were selected to extract by solvent extraction method and analyzed by GC-MS and principal components analysis.The sensory evaluation results showed that the cigarette flavoring effect order of six different areas of flue-cured tobacco bud extract was:Wenshan,Yunnan > Fengjie,Chongqing > Xingyi,Guizhou > Zhaotong,Yunnan > control > Hechi,Guangxi > Shaoyang,Hunan.The internal quality of cigarette that added the extract samples from Wenshan,Yunnan and Fengjie,Chongqing were improved significantly,compared with the control.The extract samples from Wenshan,Yunnan,Fengjie,Chongqing and Shaoyang,Hunan were analyzed by GC-MS.The results showed that the volatile components,types and content of extract samples from different areas were quite different.Principal components analysis showed that the influence of extract samples from three different origins were different.The order according to score of the principal component of three extract samples was:Wenshan,Yunnan > Fengjie,Chongqing > Shaoyang,Hunan,which was coincident with the results of sensory quality.
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Key words:
- flue-cured tobacco bud extract /
- sensory evaluation /
- volatile component
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