烟草科技Issue(8)：60-66,7.DOI:10.16135/j.issn1002-0861.20150812
滚筒分段变温干燥方式下烤烟叶丝质量的变化特征
Quality Variation Characteristics of Cut Strips of Flue-cured Tobacco During Dual-temperature Drying
摘要
Abstract
In order to analyze the changes of physical properties of, moisture content and aroma components in cut strips in dual-temperature cylinder drying, the filling values and elasticity of cut strips dried in cylinder at constant temperatures of 100, 120, 130, 140, 150 ℃ and at temperature combinations of 150/100 (first section temperature/second section temperature), 140/100, 130/100 and 120/100 ℃ were determined, and the contents of petroleum ether extracts and aroma components in cut strips dried at constant and varied temperatures were compared. For the temperature combination of 140/100 ℃,experiments were conducted by changing cylinder wall temperature when tobacco moisture contents reached 19%, 17%, 15% separately. The results showed that: 1) Under high/low temperature combination conditions, the drying efficiency of cut strips was obviously promoted by rising cylinder wall temperature at earlier drying stage. 2) Comparing with constant high temperature drying, high/low temperature combination was helpful to improving the elasticity and filling value of cut strips, meantime, the aroma components, such as brown reaction products and carotenoids degradation products, increased obviously. 3) Under dual-temperature drying, the filling value of and total aroma component content in dried cut strips would decrease, while its elasticity would increase when temperature transition point was the moisture content reached 15% instead of 19%.关键词
烤烟叶丝/滚筒分段干燥/物理特性/香味成分Key words
Cut strip of flue-cured tobacco/Dual-temperature cylinder drying/Physical property/Aroma component分类
轻工纺织引用本文复制引用
王岩,朱文魁,刘楷丽,李清华,罗志雪,段鹍,刘斌,陈良元..滚筒分段变温干燥方式下烤烟叶丝质量的变化特征[J].烟草科技,2015,(8):60-66,7.基金项目
国家自然科学基金项目“植物多孔介质快速干燥过程微细结构变化的分形特征及对热质传递影响机制”（51306213）；中国烟草总公司郑州烟草研究院科技项目“叶丝滚筒干燥过程的变参数自适应控制”（212012CZ0320）；国家烟草专卖局中式卷烟制丝专线重大专项项目“分段式滚筒变温干燥机理及品牌应用技术研究”[110201201015（ZS-01）]。 （）
