数字农科院2.0

Understanding the dynamic caking behavior of tobacco granules for heated tobacco products via glass transition and water state

文献类型： 外文期刊

作者： Xiaoyu Zhang;Jianbiao Gao;Jin Zhang;Yonghong Lin;Weijian Chen;Haiying Liu;Xiaofeng Wang;Yun Cao;Huijuan Tian;Shun Zhou;Qinqin Chen

作者机构：

关键词： Amorphous;Bound water;Caking;Rubbery;Tobacco granules

期刊名称： Advanced Powder Technology

ISSN： 0921-8831

年卷期： 2025 年 36 卷 6 期

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Tobacco granules for heated tobacco products (TGHTPs) were at amorphous state and prone to caking during processing and storage. Hence, it was essential to understand the dynamic caking behavior of TGHTPs for quality control. Moisture sorption isotherms of TGHTPs were of type III and could be well fitted by both DLP and GAB model. Homogeneous caking was observed in TGHTP1 while TGHTP2 ∼ TGHTP4 presented non-homogeneous caking behavior. The basic flow energy (BFE) of TGHTPs increased with rising of relative humidity (RH) and exposure time. BFE value (4093 mJ) of TGHTP3 after 48 h exposure to 90% RH was five times than that of 53% RH (806 mJ). Bound water was found predominant in TGHTPs, the migration of immobilized water to bound state was observed during the moisture uptake process. When the RH was over 56.83 ∼ 58.65% at 25°C, glass transition of TGHTPs was happened from “amorphous glassy” to “amorphous rubbery”.

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