Exploring the freshness biomarker and volatiles formation in stored pork by means of lipidomics and volatilomics
文献类型： 外文期刊
作者： Zhang, Yuping 1 ; Li, Jingyu 1 ; Zeng, Zixu 2 ; Wei, Xiangru 3 ; Brunton, Nigel P. 3 ; Yang, Yanqing 1 ; Gao, Peng 4 ; Xing, Jiangtao 4 ; Li, Pi 4 ; Liu, Fangjie 1 ; Liu, Rui 1 ; Li, Qianqian 5 ; Liu, Huan 1 ; Li, Jianxun 5 ;
作者机构： 1.Ludong Univ, Yantai Engn Res Ctr Green Food Proc & Qual Control, Yantai Key Lab Nanosci & Technol Prepared Food, Sch Food Engn,Bionanotechnol Inst, Yantai 264025, Peoples R China
2.Yantai Inst Technol, Yantai 264025, Peoples R China
3.Univ Coll Dublin, Sch Agr & Food Sci, Dublin, Ireland
4.Thermo Fisher Sci, Beijing 100102, Peoples R China
5.Chinese Acad Agr Sci, Key Lab Agroprod Proc, Minist Agr & Rural Affairs, Inst Food Sci & Technol, Beijing 100193, Peoples R China
关键词： Freshness; Biomarker; Lipidomics; Volatilomics; Phospholipid
期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：8.0； 五年影响因子：8.5 ）
ISSN： 0963-9969
年卷期： 2025 年 200 卷
页码：
收录情况： SCI
摘要： Raw pork is prone to oxidation and rancidity as it contains a high level of unsaturated lipid molecules. Reliable biomarkers to benchmark pork freshness and their formation have not been systematically investigated. The results indicated that the peroxide values, TVB-N and rancid volatiles dramatically increased in pork during the storage period (4 degrees C, 0-9 d). Concentrations of most volatile compounds with carbonyl groups were increased markedly in pork during storing, including hexanal, acetic acid, and hexadecanoic acid methyl ester. Lipidomics, volatilomics and chemometrics methods were used to discriminate the freshness of pork, among which acetic acid and PC O-20:3 emerged as the most reliable freshness biomarkers. Phospholipids and neutral lipids, including phosphatidylcholines (PC), triglycerides (TG), and phosphatidylethanolamine (PE), played a crucial role in the formation of rancid volatiles and the decreased freshness. This work will provide technical supports for the efficient storage and preservation of raw meat.
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