贾莹莹,秦宇,周景丽,杨春,李晨,范晓军

• 1:山西大学生命科学学院
• 2:太原理工大学环境与生态学院
• 3:山西紫林醋业股份有限公司
• 4:山西卫生健康职业学院药学院

摘要(Abstract)：

为了深入研究产地对食醋代谢产物的影响，采用超高效液相色谱-质谱技术，通过非靶向代谢组学分析，对来自山西省太原市的山西陈醋(MJA)与江苏省镇江市的恒顺香醋(HSA)的代谢产物进行了分析。结果显示，两地食醋中共鉴定出1 602种化合物，包括脂质、有机酸、有机氮化合物、有机杂环类化合物等多个类别。通过主成分分析与正交偏最小二乘判别分析可以显著区分MJA样品和HSA样品，并筛选出495种具有显著差异的物质。MJA样品中有360种差异物质的相对含量高于HSA样品，其中四甲基吡嗪、褪黑素、核黄素、吲哚等化合物对形成两地食醋的独特风味起到重要作用。代谢通路研究表明，两地食醋在有机杂环类化合物和生物碱及其衍生物的构成上存在显著性差异，这可能是造成两地食醋滋味和品质差异的决定性因素。该研究为鉴别食醋产地提供了重要的理论基础。

关键词(KeyWords)： UPLC-MS/MS;差异物质;多元统计方法;代谢通路

Abstract:

Keywords:

基金项目(Foundation): 山西省重点研发计划(202102130501008);; 山西省研究生教育创新计划(2024SJ037)

作者(Author): 贾莹莹,秦宇,周景丽,杨春,李晨,范晓军

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