使用拉曼光谱法对尼古丁袋进行非侵入性尼古丁量化和风味分化:一种直接,可靠和无制剂的方法
Yoonji Kim1, Haeseong Jeong1, Seok Chan Park2
1Department of Chemistry and Research Institute for Convergence of Basic Science, Hanyang University, Seoul 04763, Republic of Korea.
ACS omega
|February 2, 2026
概括
一种新的拉曼光谱法准确地确定了尼古丁袋中的尼古丁含量. 这种快速,非侵入性的技术还根据口味对袋进行分类,比传统的实验室方法有了显著的进步.
科学领域:
- 分析化学 分析化学
- 频谱学是一种光谱学.
- 化学测量 化学测量 化学测量
背景情况:
- 尼古丁袋是传统烟草的日益增长的无烟替代品.
- 目前的尼古丁分析方法 (LC/GC) 是劳动密集型的.
- 对于尼古丁袋的表征,需要一种更快,更直接的方法.
研究的目的:
- 开发和验证一种新的拉曼光谱方法,用于确定尼古丁袋中的尼古丁含量.
- 在不同的尼古丁含量和口味中评估方法的准确性.
- 探索拉曼光谱法,根据香味对尼古丁袋进行分类.
主要方法:
- 使用拉曼光谱法,采用广域照明方案 (直径6毫米) 和长焦距.
- 分析了来自单一品牌的15种尼古丁袋产品 (5种口味,3种尼古丁含量).
- 应用化学测量工具,包括部分最小平方回归用于量化和k-最近邻居用于分类.
主要成果:
- 在所有口味的4和8毫克尼古丁袋中获得了高精度 (99.0-102.3%).
- 对于2毫克的袋子,证明了良好的准确性 (93.1-108.8%),并指出光干扰果味.
- 通过拉曼光谱分析,成功将尼古丁袋分为五个风味组.
结论:
- 拉曼光谱法提供了一种快速,直接和非侵入性的方法,用于分析袋子中的尼古丁含量.
- 开发的方法允许准确的尼古丁量化和基于风味的产品分类.
- 这种技术为表征无烟尼古丁产品提供了有价值的工具.
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