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为了实现烟用甘草提取物全组分的快速分析，通过对烟用甘草提取物样品前处理条件和质谱参数的优化，建立了烟用甘草提取物样品的傅里叶变换离子回旋共振质谱（FT-ICR MS）直接进样方法，实现了烟用甘草提取物样品的全组分指纹图谱采集。利用精确分子量结合碎片离子对甘草提取物样品中的化合物进行了结构鉴定，对不同来源的烟用甘草提取物样品进行了相似度、主成分和偏最小二乘法分析，并筛选了对烟用甘草提取物样品分类结果贡献较大的成分。结果表明：(1)共鉴定出36种化学成分，包括1种酚类、1种三萜类、4种糖类、30种黄酮类。(2)来源于相同供应商的甘草提取物样品具有较高的相似性；来源于不同供应商的甘草提取物样品的质量存在差异，也可能存在质量相似性。(3)共筛选出24个对烟用甘草提取物样品分类结果贡献较大的化学成分。
Abstract：To achieve rapid and non-targeted component analysis in licorice extract for tobacco flavoring,a direct injection method for licorice extract samples based on Fourier transform ion cyclotron resonance mass spectrometry(FT-ICR MS)was established through optimization of sample pretreatment conditions and mass spectrometry parameters. The chemical compounds in licorice extract samples were structurally identified using their precise molecular weights and characteristic fragment ions. Similarity analysis,principal component analysis and partial least squares analysis were also conducted on licorice extract samples from different sources. Components with significant contribution to the classification results of licorice extract samples were screened and identified. The results showed that:1)A total of 36 chemical components were identified, including 1 phenol, 1 triterpenoid, 4 sugars and 30 flavonoids. 2) Licorice extract samples from a single supplier showed high similarity, while samples from different suppliers exhibited quality differences and might also show similar qualities. 3)A total of 24 chemical components with significant contributions to the classification results of licorice extract samples were proposed.
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基本信息:
DOI：10.16135/j.issn1002-0861.2025.0202
中图分类号:O657.63;TS411
引用信息:
[1]何育萍,吕娟,康世平,等.傅里叶变换离子回旋共振质谱法快速分析烟用甘草提取物的化学成分[J].烟草科技,2025,58(11):1-13.DOI:10.16135/j.issn1002-0861.2025.0202.
基金信息:
中国烟草总公司重点研发项目“料用香原料特征解析及其在数字化调香中的应用”（110202202003）; 陕西中烟工业有限责任公司重点研发项目“基于液相-超高分辨质谱联用和同位素精细结构分析技术的天然单体香原料中化学成分研究”（BA000-ZB22004）