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| Application Research on Nanocellulose in Enhancement of Tobacco Flavor and Moisture Retention |
| Received:May 30, 2025 Revised:June 20, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.11.007 |
| Key Words:nanocellulose tobacco fragrance enhancement and moisturizing |
| Fund Project:烟草行业烟草工艺重点实验室引领计划专项项目（202023AWCX06）；中国烟草实业发展中心科技项目计划“青年人才”项目（ZYSYQ-2024-07）；甘肃烟草工业有限责任公司科技项目（KJXMM-2024-05）。 |
| Author Name | Affiliation | Postcode | | ZHANG Jun* | Technology Center of Gansu Tobacco Industrial Co., Ltd., Lanzhou, Gansu Province, 730050 | 730050 | | ZHU Xuhai | Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning Province, 110623 | 116023 | | MAO Ning | Technology Center of Gansu Tobacco Industrial Co., Ltd., Lanzhou, Gansu Province, 730050 | 730050 | | PENG Fuyan | Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning Province, 110623 | 116023 | | LIN Rongjun | Technology Center of Gansu Tobacco Industrial Co., Ltd., Lanzhou, Gansu Province, 730050 | 730050 | | LI Hui | Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, He’nan Province, 450001 | 450001 | | WU Lianlian | Technology Center of Gansu Tobacco Industrial Co., Ltd., Lanzhou, Gansu Province, 730050 | 730050 | | LU Fang* | Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning Province, 110623 | 116023 |
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| Abstract:This study selected a series of nanocellulose products， including cellulose nanofiber (CNF)， cellulose nanocrystal (CNC)， and bacterial nanocellulose (BC)， for the purpose of preparing tobacco humectants. An investigation was conducted into the spraying parameters and technical approaches. Subsequently， the effects of different nanocellulose types on tobacco humectancy， flavor enhancement， chemical structure， surface wettability， microstructure， and specific surface area were evaluated. The experimental findings demonstrated that the water retention values of the nanocelluloses ranged from 93% to 99%， with interfacial wetting angles ranging from 6.6° to 22.2°. When CNF with a carboxyl group content of 2.5 mmol/g was sprayed onto the tobacco surface at a loading of 2.0%， the tobacco experienced a moisture loss rate of 49%， which was comparable to the propylene glycol. Besides， the decomposition products of CNF-based humectants during tobacco combustion had been shown to primarily consist of alkanes， heterocyclics， aromatics， furans， aldehydes， alcohols， esters， and acids. The incorporation of these CNF-based humectants did not modify the distribution of tobacco decomposition products or the sensory characteristics of tobacco smoke， rather， it enhanced the sensory humectancy to a certain extent. Structure-activity relationship analysis revealed that CNF-based humectants primarily achieved their moisturizing effect through a synergistic effect of hydrogen bonding and surface sealing effect. |
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