磷酸氢二铵/尿素复配体系对造纸法再造烟叶热解行为及羰基化合物的影响

doi:10.11924/j.issn.1000-6850.2014-2367

中国农学通报 ›› 2015, Vol. 31 ›› Issue (3): 265-269.doi: 10.11924/j.issn.1000-6850.2014-2367

所属专题：烟草种植与生产

磷酸氢二铵/尿素复配体系对造纸法再造烟叶热解行为及羰基化合物的影响

陈刚,佘世科,葛少林,周顺

(安徽中烟工业有限责任公司技术中心,合肥 230088）

收稿日期:2014-08-29 修回日期:2014-08-29 接受日期:2014-09-29 出版日期:2015-03-19 发布日期:2015-03-19
通讯作者: 佘世科
基金资助:
中国烟草总公司科技重大专项项目“原辅材料降低卷烟危害性指数规律性研究”(110201301020)。

Effects of Diammonium Phosphate/Urea on the Thermal Behaviour and Carbonyl Compounds of Paper-making Process Reconstituted Tobacco Sheet

Chen Gang, She Shike, Ge Shaolin, Zhou Shun

(Research and Development Centre, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088)

Received:2014-08-29 Revised:2014-08-29 Accepted:2014-09-29 Online:2015-03-19 Published:2015-03-19

摘要/Abstract

摘要： 为深入了解磷酸氢二铵(DAP)/尿素(UR)这种常用再造烟叶复配添加剂的作用机制，从热降解的角度研究了DAP/UR改性造纸法再造烟叶(DURTS)和未添加DAP/UR的造纸法再造烟叶(RTS)在热降解过程及热解生成羰基化合物上的差异。结果表明：（1）与RTS相比，DURTS降低了第2(142~275℃)和第5阶段(539~710℃)的热降解；同时也使得第4热降解阶段(372~539℃)的最大热降解速率由8.9 %/min下降至6.9 %/min，对应的峰值温度(T_p4)也升高了11.2℃。（2）DAP/UR使热释放的终止温度显著升高（由532℃上升至564℃），提升了再造烟叶在高温区的热稳定性。（3）DAP/UR复配体系对羰基化合物的生成均有明显的抑制作用，羰基化合物的生成总量降低了21.6%。（4）DAP/UR复配体系在改善RTS余味、刺激性、香气质、浓度和杂气方面作用明显。

关键词: 烤烟, 烤烟, 中间香型, 栽培模式, 干物质积累, 通径分析

Abstract: To deeply understand the role of diammonium phosphate (DAP)/urea (UR) compound additives in the quality improvement of reconstituted tobacco, the differences of the thermal decomposition process and the formation of carbonyl compounds between DURTS and RTS (the reconstituted tobacco sheet with and without DAP/UR system) were investigated. The results showed that: (1) compared with RTS, the second (142-275℃) and fifth (539-710℃) thermal degradation stages of DURTS gradually disappeared, and the maximal rate of weight loss during the fourth (372-539℃) thermal degradation stage reduced from 8.9 %/min to 6.9 %/min while the peak temperature (T_p4) increased by 11.2℃; (2) the end temperature of the second exothermal stage was increased from 532℃ to 564℃, which suggested that the thermal stability of RTS was enhanced by DAP/UR system; (3) the DAP/UR system inhibited the production of carbonyl compounds during the thermal decomposition process of reconstituted tobacco sheet, the yields of total carbonyl compounds reduced by 21.6%; (4) DURTS was obviously superior to RTS in terms of aroma quality, concentration, irritation, offensive odor and aftertaste, especially in reducing irritation and offensive odor.

陈刚,佘世科,葛少林,周顺. 磷酸氢二铵/尿素复配体系对造纸法再造烟叶热解行为及羰基化合物的影响[J]. 中国农学通报, 2015, 31(3): 265-269.

Chen Gang,She Shike,Ge Shaolin and Zhou Shun. Effects of Diammonium Phosphate/Urea on the Thermal Behaviour and Carbonyl Compounds of Paper-making Process Reconstituted Tobacco Sheet[J]. Chinese Agricultural Science Bulletin, 2015, 31(3): 265-269.

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磷酸氢二铵/尿素复配体系对造纸法再造烟叶热解行为及羰基化合物的影响

Effects of Diammonium Phosphate/Urea on the Thermal Behaviour and Carbonyl Compounds of Paper-making Process Reconstituted Tobacco Sheet

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