论文部分内容阅读
为探索温度和湿度对白肋烟晾制品质和中性香气物质的影响,将云南宾川收获后的白肋烟分别在云南宾川和云南云龙两个生态环境中晾制。结果表明,两地相对湿度有显著差异,温度差异较小,整个白肋烟晾制期间,云龙空气相对湿度高出宾川4.42～16.54个百分点。宾川晾房烟叶晾制时间比云龙晾制的烟叶少9 d。在相对湿度较大的云龙晾制的烟叶表现为颜色较深,身份减轻,疏松度提高,油份增加,烟叶的中性香气成分总量及各类香气物质含量均显著增高,与宾川晾制的烟叶相比,云龙晾制的上部叶和中部叶中性香气物质总量分别提高31.26%和34.38%,类胡萝卜素降解产物含量分别提高27.55%和29.75%,叶绿素降解产物新植二烯分别提高31.13%和34.70%,茄酮分别提高36.27%和34.48%,调制后烟叶的叶绿素和类胡萝卜素残留量显著降低;感官评吸结果表明云龙晾制的烟叶香气量大,刺激性较小,整体质量较好。白肋烟晾制过程中相对湿度条件与白肋烟质量水平有密切关系,适当高湿环境有利于改善和提高白肋烟烟叶质量。
In order to explore the effect of temperature and humidity on the air-cured quality and neutral aroma of burley tobacco, the burley tobacco after harvest in Binchuan of Yunnan was air-cured in two ecological environments, Binchuan, Yunnan and Yunlong, Yunnan respectively. The results showed that there was a significant difference between the two relative humidity, the temperature difference is small, the whole Burley tobacco during the air relative humidity Yunlong 4.42 ~ 16.54 percentage points higher than Binchuan. Binchuan air drying room tobacco leaves than the tobacco control less 9 d. Tobacco leaves with relatively high relative humidity exhibited better color, lighter weight, higher looseness and more oil, and the total amount of neutral aroma components and aroma components of tobacco were significantly increased, Compared with the control, the total amount of neutral aroma components of upper leaves and middle leaves of Yunlong was increased by 31.26% and 34.38%, respectively, and the content of carotenoid degradation products increased by 27.55% and 29.75% respectively. The chlorophyll degradation products, Respectively, increased by 31.13% and 34.70% respectively, while the levels of soya ketone increased by 36.27% and 34.48%, respectively. The contents of chlorophyll and carotenoids decreased significantly after sensory evaluation. The results of sensory evaluation showed that the Yunlong- The overall quality is better. The relative humidity conditions of burley tobacco are closely related to the quality of burley tobacco. Appropriate high humidity environment is conducive to improving and improving the quality of burley tobacco leaves.