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Food Chem


Title:The odor deterioration of tilapia (Oreochromis mossambicus) fillets during cold storage revealed by LC-MS based metabolomics and HS-SPME-GC-MS analysis
Author(s):Cheng H; Mei J; Xie J;
Address:"College of Food Science and Technology, Shanghai Ocean University, Shanghai, China. College of Food Science and Technology, Shanghai Ocean University, Shanghai, China; Key Laboratory of Aquatic Products High Quality Utilization, Storage and Transportation (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, China; National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China; Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai, China; Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai, China. College of Food Science and Technology, Shanghai Ocean University, Shanghai, China; Key Laboratory of Aquatic Products High Quality Utilization, Storage and Transportation (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, China; National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China; Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai, China; Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai, China. Electronic address: jxie@shou.edu.cn"
Journal Title:Food Chem
Year:2023
Volume:20230622
Issue:
Page Number:136699 -
DOI: 10.1016/j.foodchem.2023.136699
ISSN/ISBN:1873-7072 (Electronic) 0308-8146 (Linking)
Abstract:"Odor deterioration of tilapia during cold storage is unavoidable and affects flavor and quality severely. Odor is characterized by the abundance of volatile compounds and metabolites. In this study, headspace-solid phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS) and metabolomic analysis were applied to explore the volatile compounds, differential metabolites, and metabolic pathways related to the odor deterioration of tilapia during cold storage. A total of 29 volatile compounds were detected to be associated with the odor deterioration of tilapia. And 485 differential metabolites were screened, of which 386 differential expressions were up-regulated and 99 differential expressions were down-regulated. Three major metabolic pathways including linoleic acid metabolism, alanine, aspartate, glutamate metabolism, and nucleotide metabolism were obtained. A potential metabolic network map was also proposed. This study contributes to revealing the metabolic mechanisms of odor deterioration in tilapia during cold storage and providing a theoretical reference for the regulation of flavor and quality"
Keywords:"Animals Gas Chromatography-Mass Spectrometry/methods *Tilapia Solid Phase Microextraction/methods Odorants/analysis Chromatography, Liquid *Volatile Organic Compounds/analysis Tandem Mass Spectrometry Metabolomics Cold storage Metabolic pathways explorati;"
Notes:"MedlineCheng, Hao Mei, Jun Xie, Jing eng England 2023/06/26 Food Chem. 2023 Nov 30; 427:136699. doi: 10.1016/j.foodchem.2023.136699. Epub 2023 Jun 22"

 
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