DOI: 10.12187/2025.06.010
Preparation of amino acid/glycerol complex and study on its tobacco moisturizing properties
MA Shengtao
ZHAO Xu
JIA Hui
CHEN Zeshao
YANG Liuyi
ZHAO Yongzhen
JIA Tao
XI Gaolei
Abstract：[Objective]To investigate the moisture-retaining performance of a novel tobacco humectant system based on amino acid-glycerol supramolecular complexes.[Methods]Fourteen amino acid-glycerol complexes were synthesized and screened using techniques including thermogravimetric analysis,Zeta-potential measurement,water adsorption tests,tobacco moisture retention assays,molecular dynamics simulations,and scanning electron microscopy to evaluate their moisture-proof and moisture-retaining properties.[Results]Among the 14 complexes,the L-histidine/glycerol complex demonstrated superior stability.At 20℃and 80%RH,it showed lower water adsorption capacity than glycerol,indicating its moisture-barrier function.At 20℃and 60%RH,its equilibrium moisture content(13.27%)satisfied tobacco moisture protection requirements.[Conclusion]The complex forms via supramolecular interactions,adheres to tobacco leaf surfaces,and promotes stomatal closure to reduce water loss and prevent external moisture intrusion,thereby providing effective moisture-proof and moisture-retaining properties.
Keywords：amino acid/glycerol complextobacco humectantmoistureproof and moisturizing propertysupramolecular force
Publication Date：2025-12-15
Online Publishing Date：2025-12-22(First online date of this platform, not the publication date of the document)
Pages：9( 98-106 )