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不同采收成熟度对贵州有机烟叶中性致香物质含量的影响
卢贤仁,姚峰,丁福章,姜均,李国彬,李建伟,谢已书
0
(贵州省烟草科学研究院,贵阳 550081;贵州省烟草公司黔南州公司,都匀 558000)
摘要:
研究不同采收成熟度对贵州有机烟叶中性致香物质含量的影响。结果表明,在尚熟到完熟的成熟度等级中,中部有机烟叶的中性致香物质含量随成熟度的增加先大幅度下降再缓慢上升,在尚熟时达到最大值;上部有机烟叶的中性致香物质含量随成熟度的增加先缓慢上升再缓慢下降,在成熟时达到最大值。中部有机烟叶的新植二烯、类胡萝卜素类降解产物、棕色化反应产物和类西柏烷类降解产物类致香物质含量的变化趋势与中部有机烟叶中性致香物质含量变化一致;上部有机烟叶的新植二烯、棕色化反应产物和类西柏烷类降解产物类致香物质含量的变化趋势与上部有机烟叶中性致香物质含量变化一致。中部有机烟叶在尚熟时采收,上部叶在成熟时采收香气物质总量最大。
关键词:  有机烟叶  成熟度  致香物质
DOI:10.13610/j.cnki.1672-352x.20140423.022
基金项目:上海烟草集团有限责任公司项目“有机烟叶原料生产技术研究”(01352-2011)资助。
Effects of different maturity on content of aroma in Guizhou organic tobacco
LU Xianren,YAO Feng,DING Fuzhang,JIANG Jun,LI Guobin,LI Jianwei,XIE Yishu
(Guizhou Tobacco Research Institute, Guiyang 550081;Qiannan Tobacco company of Guizhou Province, Duyun 558000)
Abstract:
The effects of different maturity on content of aroma in Guizhou organic tobacco were studied. The results showed that the content of aroma in the middle leaf of organic tobacco changed obviously with the variation of maturity, it descended sharply with the increase of maturity and then rose slowly at the stage of full maturity, which was biggest at basic maturity. The aroma content in the upper leaf of organic tobacco increased slowly from basic maturity to maturity and then decreased slowly with the increase of maturity, and it was biggest at maturity. The amplitude of variation of neophytadine, degraded carotenoid products, maillard reaction products and cembrenoid products were similar to the neutral aroma in the middle leaf of organic tobacco. The amplitude of variation of neophytadine, maillard reaction products and cembrenoid products were similar to the neutral aroma in the upper leaf of organic tobacco. The content of aroma was biggest in middle leaf of organic tobacco at basic maturity or in upper leaf of organic tobacco at maturity.
Key words:  organic tobacco  tobacco maturity  aroma constituent

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