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近红外光谱技术表征卷烟感官质量研究进展

Research progress in characterizing cigarette sensory quality using near-infrared spectroscopy

  • 摘要: 传统卷烟感官质量评价受人员差异与环境波动影响较大,主观性强、稳定性较差。近红外光谱具备快速、无损和可在线检测等优势,为感官质量的客观量化提供了技术支撑。本文中综述了利用近红外光谱表征卷烟感官质量的理论基础和研究进展,围绕光谱采集和制样、感官数据获取、预处理和变量筛选及建模和验证等环节,归纳现有研究的主要技术路线,分析影响预测精度和模型稳定性的关键制约因素。在此基础上,总结提升模型可靠性的可行路径,以期为卷烟感官质量评价方法的标准化和智能化应用提供参考。

     

    Abstract: Conventional sensory evaluation of cigarette quality is highly susceptible to personnel differences and environmental fluctuations, leading to pronounced subjectivity and limited reproducibility. Near-infrared (NIR) spectroscopy offers rapid, non-destructive measurement with potential for on-line implementation, thereby providing a robust analytical basis for the objective quantification of sensory quality. The theoretical underpinnings and current advances in applying NIR spectroscopy to characterize cigarette sensory quality were reviewed. Centering on spectral acquisition and sample preparation, sensory data collection, spectral preprocessing and variable selection, and model development and validation, etc., the principal technical approaches reported to date were summarized and the key factors that constrained prediction accuracy and model robustness were analyzed. Building on this analysis, practical strategies to enhance model reliability are outlined, with the aim of providing reference for the standardization and intelligent deployment of sensory quality evaluation methods for cigarettes.

     

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