加热卷烟烟草颗粒水分吸附特性及水分状态研究  

Moisture sorption behavior and water states of tobacco granules for heated tobacco products

作　　者：张晓宇[1] 周顺[1] 林泳鸿 张劲 吕莹 丁乃红[1] 王洁 田慧娟 王孝峰[1] 曹芸 陈芹芹[2] ZHANG Xiaoyu;ZHOU Shun;LIN Yonghong;ZHANG Jin;LV Ying;DING Naihong;WANG Jie;TIAN Huijuan;WANG Xiaofeng;CAO Yun;CHEN Qinqin(Key Laboratory of Combustion&Pyrolysis Study of CNTC,Anhui Tobacco Industrial Co.,Ltd.,Hefei 230088,China;Institute of Food Science and Technology,Chinese Academy of Agricultural Sciences,Beijing 100193,China)

机构地区：[1]安徽中烟工业有限责任公司烟草行业燃烧热解研究重点实验室,合肥市高新区230088 [2]中国农业科学院农产品加工研究所农业农村部农产品加工重点实验室,北京市海淀区100193

出　　处：《中国烟草学报》2025年第1期57-65,共9页Acta Tabacaria Sinica

基　　金：国家烟草专卖局资助项目“颗粒型加热卷烟产品生产关键控制技术及效能提升研究”(110202201046XX-05);安徽中烟工业有限责任公司资助项目“加热卷烟颗粒状烟料吸湿作用机制研究及评价方法构建”(2022128)。

摘　　要：【目的】揭示加热卷烟烟草颗粒吸湿特性规律。【方法】以8种烤烟原料制备的加热卷烟烟草颗粒为研究对象,采用动态水分吸附法(DVS)及低场核磁共振技术(LF-NMR)对其水分吸附特性及水分状态进行动态表征,并基于主成分分析明确不同烟草颗粒吸湿特性的差异。【结果】(1)烟草颗粒的水分吸附等温线均呈典型的“J”型,DLP与GAB模型拟合效果较优,平均R2分别为0.9996和0.9961,单分子层含水率范围为13.00~14.53 g/100 g;(2)在吸湿过程(0~14 d)中,烟草颗粒的水分含量显著增加,其与结合水含量呈极显著正相关(r=0.641,P<0.01),吸湿初期(1 d)及后期(14 d)结合水峰面积增加值分别达到417~655、2384~3221;(3)烤烟产地和部位对烟草颗粒的吸湿特性有一定影响,相同产地的中部烟显著高于上部烟、下部烟的烟草颗粒水分吸附量(14 d),河南三门峡上部烟显著高于贵州遵义、云南昆明上部烟的烟草颗粒水分吸附量(14 d),云南昆明下部烟显著高于贵州铜仁下部烟烟草颗粒水分吸附量(14 d)。This study aims to investigate the hygroscopic characteristics of 8 tobacco granules for heated tobacco products(TGHTP)made by different flue-cured tobacco materials.Dynamic water adsorption(DVS)and low-field nuclear magnetic resonance(LF-NMR)were used to determine the moisture sorption behavior and water states of TGHTP.The differences of hygroscopic characteristics in different samples were obtained via principal component analysis.Moisture sorption isotherms of TGHTP presented a typical“J”shape.The DLP and GAB models showed better fitting effects,with mean R2 values of 0.9996 and 0.9961,respectively.Monolayer moisture contents of TGHTP ranged from 13.00 to 14.53 g/100g.During the moisture sorption process(0~14d),moisture contents of 8 TGHTP was significant increased,which was positively correlated with bound water content(r=0.641,P<0.01).The increase in bound water peak area of TGHTP after moisture absorption for 1 d and 14 d were 417-655 and 2384-3221,respectively.The hygroscopic properties of TGHTP were significantly influenced by the stalk positions and the region of the flue-cured tobacco materials.The moisture adsorption amount(14 days)of middle tobacco granules from the same origin was significantly higher than that of upper and lower tobacco granules.In terms of TGHTPs from upper stalk positions,moisture absorption amount of TGHTP from Sanmenxia,Henan at 14 d was significant higher than those from Zunyi,Guizhou and Kunming,Yunan.As for TGHTPs from lower stalk positions,moisture absorption amount of TGHTP from Kunming,Yunan at 14 d were significant higher than those from Zunyi,Guizhou.

关 键 词：烟草颗粒 动态水分吸附 低场核磁共振 结合水 主成分分析 

分 类 号：TS452[农业科学—烟草工业]