[目的]分析福建烟区烤烟的主要化学成分变异情况.[方法]以福建烟区2009、2010年烤烟样品为材料,分析不同地区、不同品种、不同等级的烤烟化学成分含量状况.[结果]福建烤烟总糖、还原糖及糖碱比值总体较高,氯含量较低,钾氯比值较大且稳定性较差.不同烟区烤烟除总氮、总糖、还原糖外,均有显著差异；不同品种烤烟除总烟碱外,其余各指标均有显著差异；不同部位烤烟除氯含量外,其余各指标差异均达到显著水平.[结论]研究可为福建烤烟种植区划制定、栽培技术调整及原料合理利用提供参考依据.%[ Objective] To analyze the variation of main chemical components of flue-cured tobacco in Fujian. [ Method] With flue-cured tobacco of 2009, 2010 in Fujian as material, the chemical component contents of different region, different varieties and different grades tobacco were analyzed. [ Result ] Contents of total sugar, reducing sugar and the ratio of reducing sugar to nicotine were high in total; the content of chlorine was low; the ratio of potassium to chlorine was high but unstable. Except contents of total nitrogen, total sugar, reducing sugar, the difference of chemical components among areas was significant; Difference among stalk positions was significant except chlorine content; The difference of chemical components among cultivars was significant except total nicotine. [ Conclusion ] The study will provide reference basis for flue-cured tobacco planting regionalization, cultivation technique adjustment and raw material properly utilization in Fujian Province.
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