JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 41 Issue 1
February 2026
Article Contents
ZHANG Junsong, HU Yunyi, ZHANG Xinlong, et al. Study on humectant performance and pyrolytic behavior of okra polysaccharides in tobacco[J]. Journal of Light Industry, 2026, 41(1): 81-89,126. doi: 10.12187/2026.01.008
Citation: ZHANG Junsong, HU Yunyi, ZHANG Xinlong, et al. Study on humectant performance and pyrolytic behavior of okra polysaccharides in tobacco[J]. Journal of Light Industry, 2026, 41(1): 81-89,126. doi: 10.12187/2026.01.008 shu

Study on humectant performance and pyrolytic behavior of okra polysaccharides in tobacco

  • Corresponding author: ZHANG Xiao, xzhang@henu.edu
  • Received Date: 2025-03-28
    Accepted Date: 2025-06-29
  • Objective】 This study aims to investigate the application potential of okra polysaccharides (OPs) as a novel green humectant in tobacco and elucidate their dual mechanisms of moisture retention and pyrolysis-induced aroma enhancement. 【Methods】 Multiple detection and analytical techniques were employed to investigate on the monosaccharide composition of OPs, the microstructure of tobacco cut surface, the occurrence state of water, humectant performance, and the mechanism of pyrolysis-induced aroma enhancement. 【Results】 OPs were primarily composed of galactose (44.6%), rhamnose (25.8%) and galacturonic acid (15.6%), with abundant hydroxyl functional groups. After the application of OPs, the tobacco cut surface became fuller, with a significant increase in the proportion of bound water under low-humidity conditions (temperature (22±1)℃, relative humidity (32±2)%). The equilibrium moisture content of OPs-treated tobacco under the high-humidity environment (temperature (22±1)℃, relative humidity (84±2)%) and low-humidity conditions was 41.93% and 6.98%, respectively. The drying rate constant (k = 0.684 5) decreased by 7.5% compared to the blank control group, indicating that its humectant performance was superior to propylene glycol and close to that of glycerol. Pyrolysis analysis revealed that OPs could generate various aromatic substances, including 5-hydroxymethylfurfural, furfuryl alcohol, 2,5-dimethylpyrazine, and guaiacol, helping to enhance the richness of cigarette aroma and improve sensory comfort. 【Conclusion】 OPs possess dual functions of efficient humectant property and pyrolysis-induced aroma enhancement, demonstrating potential to replace traditional polyol-based humectants, thus providing a reference for the development of natural functional tobacco additives.
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