NDLI: High throughput MS techniques for caviar lipidomics

Content Provider	Royal Society of Chemistry (RSC)
Author	Porcari, Andréia M. Belaz, Katia Roberta A. Santos, Vanessa G. Gromova, Varvara A. Eberlin, Marcos N. Fernandes, Gabriel D. Lebedev, Albert T. Tata, Alessandra Schwab, Nicolas V. Alberici, Rosana M.
Copyright Year	2014
Abstract	The lipid profile of Sturgeon roe (caviar) was monitored by matrix assisted laser desorption/ionization mass spectrometry (MALDI(+)-MS), thermal imprinting easy ambient sonic-spray ionization mass spectrometry (TI-EASI(+)-MS) and electrospray mass spectrometry (ESI(+)-MS). Freshly salted and commercially salted pasteurized caviar samples of Atlantic sturgeon (Acipenser sturio) were stored either at +4 °C or at room temperature for 4 weeks. The different types of chemical information achieved by these MS techniques were compared: MALDI(+)-MS detects mainly phospholipids (PL) whereas TI-EASI(+)-MS allows monitoring of both triacylglycerols (TAG) and PL. ESI(+) coupled to Fourier transform ion cyclotron resonance high resolution mass spectrometer (FT-ICR-MS) and MS/MS experiments were used to fully characterize the detected lipids, ensure the absence of oxidation products in the degradation process and confirm the high efficiency of the thermal imprinting extraction. TI-EASI(+)-MS, via a more comprehensive profiling and easier operation, has therefore been demonstrated to provide caviar lipidomic profiles and discriminate its changes as a function of storage time and temperature. The data have also confirmed that hydrolysis is the main process of lipid degradation in caviar.
Starting Page	2436
Ending Page	2443
Page Count	8
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	6
Issue Number	8
Journal	Analytical Methods
DOI	10.1039/c3ay41954a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Caviar Mitochondrial matrix Electrospray ionization Pasteurization Atlantic sturgeon Lipid Hydrolysis Fourier Ionization Laser ESI European sea sturgeon Atlantic Mass spectrometry Ion cyclotron resonance
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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