目的 针对纸质印刷品原辅材料中挥发性/半挥发性成分对产品气味质量的0影响,建立一套用于筛查与鉴定其中气味成分的分析方法,通过解析原辅材料和成品中特征性气味组分的关联性,最终确立具有溯源价值的关键气味标志物。方法 基于解卷积法、匹配度法及保留指数法构建的三重确认机制对顶空固相微萃取气相色谱/质谱联用技术（HS-SPME-GC/MS）获得的数据进行定性分析,解决复杂基质中定性分析不准确的问题。在半定量分析中,采用不同极性的化合物作为内标物,针对目标物的极性差异优化校准策略,提升分析结果的可靠性。结果 结果表明,基于相对气味活度值（rOAV,即半定量浓度与化学阈值的比值≥1）作为对产品气味有贡献的物质,3种纸质印刷品及其原辅材料中鉴别出154种关键性气味成分,包括烃类、醛类、酮类、醇类、芳香烃类、杂环类、酯类、醚类、胺类、酸类、酚类和卤代烃类12大类;进一步利用交集分析（upset图分析）,辨识出苯甲醛、壬醛、苯乙酮、2-乙基己醇和十二醇作为气味标志物。结论 筛查出的挥发性/半挥发性气味标志物为后续纸质印刷品气味质量控制及原辅材料选型提供了理论依据和技术支持。
Abstract
To investigate the effect of volatile and semi-volatile constituents in raw and auxiliary paper printing materials on the odor quality of paper-based printed products, the work aims to develop an analytical method to identify odor-active components and ultimately establish key odor markers with traceability value by analyzing the correlation between characteristic odor components in raw and auxiliary materials and products. To solve the problem of inaccurate qualitative analysis in complex matrices, a triple confirmation mechanism based on deconvolution, matching degree, and retention index method was utilized to qualitatively analyze the data obtained by headspace solid-phase microextraction gas chromatography/mass spectrometry (HS-SPME-GC/MS). In semi quantitative analysis, compounds with different polarities were used as internal standards to optimize calibration strategies based on the polarity differences of the target substance. Based on the rOAV as evaluation principles, a total of 154 components were identified in three products. These compounds encompassed hydrocarbons, aldehydes, ketones, alcohols, aromatic hydrocarbons, heterocyclic compounds, esters, ethers, amines, carboxylic acids, phenols, and halogenated hydrocarbons. Subsequent intersection analysis (upset plot) highlighted benzaldehyde, nonanal, acetophenone, 2-ethyl-1-hexanol, and dodecanol as characteristic odour markers. The volatile and semi-volatile odor markers detected will provide a theoretical foundation and technical support for the odor-quality control of paper-based printed products and the selection of their raw and auxiliary materials.
关键词
纸质印刷品原辅材料 /
挥发性/半挥发性成分 /
三重确认定性分析 /
相对气味活度值 /
气味标志物
Key words
raw and auxiliary paper printing materials /
volatile/semi-volatile components /
triple confirmation qualitative analysis /
relative odor activity value /
odor markers
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基金
上海烟草包装印刷有限公司科技项目（K2024-011）
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