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Updated: Apr 13, 2026

Untargeted Metabolomics from Biological Sources Using Ultraperformance Liquid Chromatography-High Resolution Mass Spectrometry UPLC-HRMS
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Published on: May 20, 2013

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新的分析策略将酶解水解与UPLC-MS/MS整合起来,以精确量化脆脆的炸猪肉中的自由和结合的异环芳胺

Zan Hu1, Yu Wang1, Dawei Yu1

  • 1School of Food Science & Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.

Food chemistry
|June 7, 2025
PubMed
概括

这项研究开发了一种新的方法来测量肉类中结合的异环胺 (HAA). 创新的酶性水解技术提高了食品中HAA测定的准确性.

关键词:
脆脆的炸猪肉可以吃.酶解是一种酶解过程.在HAAs中,HAAs是HAAs.在 UPLC-MS/MS 中使用.

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Mass Spectrometry of Amines01:15

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In mass spectroscopy, amines undergo fragmentation to give parent ions with odd molecule weights. This observed mass spectrum follows the nitrogen rule; a molecule with an odd number of nitrogen atoms produces a molecular ion with an odd molecular weight. Amines undergo fragmentation through α cleavage, producing nitrogen-containing cations—iminium ions—and alkyl radicals. Mass spectra of aromatic and cyclic aliphatic amines exhibit strong molecular ion peaks, but acyclic...
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