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Research on Design Analysis for the Core Material for Central Heated Tobacco
Received:December 10, 2023  
DOI：10.11980/j.issn.0254-508X.2024.04.009
Key Words:central heated tobacco  core material  design analysis
Fund Project:云南中烟工业有限责任公司科技计划项目（2023YL02）；中烟施伟策（云南）再造烟叶有限公司科技项目（KY23ZL11）。
Author NameAffiliationPostcode
ZHANG Wenjun China Tobacco Schweitzer（Yunnan）Reconstituted Tobacco Co.， Ltd., Yuxi， Yunnan Province，653100
Kunming University of Science and Technology， Kunming， Yunnan Province，650031 		650031
WU Jianlin China Tobacco Schweitzer（Yunnan）Reconstituted Tobacco Co.， Ltd., Yuxi， Yunnan Province，653100 653100
CHEN Yuchao China Tobacco Schweitzer（Yunnan）Reconstituted Tobacco Co.， Ltd., Yuxi， Yunnan Province，653100 653100
ZHOU Jun China Tobacco Schweitzer（Yunnan）Reconstituted Tobacco Co.， Ltd., Yuxi， Yunnan Province，653100 653100
WANG Xiaosheng China Tobacco Schweitzer（Yunnan）Reconstituted Tobacco Co.， Ltd., Yuxi， Yunnan Province，653100 653100
LI Zhongren* China Tobacco Schweitzer（Yunnan）Reconstituted Tobacco Co.， Ltd., Yuxi， Yunnan Province，653100
Yunnan China Tobacco Industry Co., Ltd., Kunming， Yunnan Province， 650106 		650106
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Abstract:In order to further investigate the structure and design of core material for central heated tobacco， six kinds of central heated tobacco core materials of Marlboro IQOS brand were selected to analyze the microstructure， physicochemical properties， and inorganic element content of samples. The results showed that core material was composed of a mixed slurry system stacked under certain pressure， with lower average fiber length and width， but higher fine fiber content， percentage of fine fiber area， and fiber coarseness， The cutting width of the core material was 0.5 mm， and the filling density reached 0.615 g/cm3. The content of hot water soluble substances in core material ranged from 61.51% to 67.99%， with an average value of 63.69%. The organic chemical composition of core material was relatively low except for total alkaloids， and the high content of total alkaloids was artificially added. The average ash content of the core material was 9.98%， and inorganic element analysis indicated that it may contain combustion regulators and heat transfer materials containing metal salts such as magnesium and aluminum. Glycerol and propylene glycol were the main smoke generating agents for core material， with an average total amount of 13.79%. The sensory quality of the core material was relatively more dependent on artificially added volatile aroma compounds.
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