鄂西南烤烟主要化学成分与评吸质量的关系

对鄂西南烟叶主产区咸丰、兴山、宣恩的烤烟化学成分进行了测定,并对化学成分与评吸质量进行了相关和回归分析。结果表明:烟叶的总糖、还原糖及两糖差与香气质、香气量、余味、杂气、刺激性、评吸总分呈显著正相关,而淀粉则相反;烟碱与余味和刺激性、总氮与余味、杂气、刺激性和评吸总分均呈显著负相关;钾与香气质呈显著正相关,氯则相反。钾对香气量也有正面影响;烟碱对香气量和评吸总分、总氮对香气质均有较大的负作用。

Relationships Between Smoking Quality and Main Chemical Components in Flue-cured Tobacco Grown in Southwest Hubei

The chemical components in flue-cured tobacco leaves from 3 main tobacco growing areas, Xianfeng, Xingshan, Xuanen in the southwest of Hubei Province were determined, and the correlation and regression analysis between the chemical components and smoking quality were studied. The results indicated that:1) the total sugar, reducing sugar, and the difference between total sugar and reducing sugar significantly positively correlated with quality and quantity of flavor, aftertaste, offensive odor, irritation and total scores in smoking evaluation, while starch was contrary; 2) nicotine significantly negatively correlated with after taste and irritation; total nitrogen significantly negatively correlated with after taste, offensive odor, irritation and total scores in smoking evaluation; potassium significantly positively correlated with flavor quality, while chlorine was contrary; 3) potassium had some positive effect on flavor quantity, while nicotine had negative effect on flavor quantity and total scores in smoking evaluation, and total nitrogen negatively affected flavor quality considerably.