ArticleJournal of lipid research2013
Mapping the regioisomeric distribution of fatty acids in triacylglycerols by hybrid mass spectrometry.
Article in Journal of lipid research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Bioengineered algal lipids enriched in structured medium- and long-chain triacylglycerols, linoleate, andbioRxiv : the preprint server for biology · 2026Article
- Experimental Investigation of the Crystallization and Thermal Behavior of Animal Fat Mixtures Using a Multi-Technique Approach.Molecular nutrition & food research · 2026Article
- Crystallization Behavior of Plant-Based Fat Blends Formulated as an Alternative for Anhydrous Milk Fat in Milk Chocolate.Crystal growth & design · 2025Article
- Extending the Lipidome Coverage by Combining Different Mass Spectrometric Platforms: An Innovative Strategy to Answer Chemical Food Safety Issues.Foods (Basel, Switzerland) · 2021Article
- Structural elucidation of triacylglycerol using online acetone Paternò-Büchi reaction coupled with reversed-phase liquid chromatography mass spectrometry.The Analyst · 2020Article
- Quantification of 1,3-olein-2-palmitin (OPO) and Palmitic Acid inMolecules (Basel, Switzerland) · 2018Article
- Determination of fatty acid and sphingoid base composition of eleven ceramide subclasses in stratum corneum by UHPLC/scheduled-MRM.Metabolomics : Official journal of the Metabolomic Society · 2018Article
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Authors and funding
4 authors.
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Abstract
This study describes the use of hybrid mass spectrometry for the mapping, identification, and semi-quantitation of triacylglycerol regioisomers in fats and oils. The identification was performed based on the accurate mass and fragmentation pattern obtained by data-dependent fragmentation. Quantitation was based on the high-resolution ion chromatograms, and relative proportion of sn-1(3)/sn-2 regioisomers was calculated based on generalized fragmentation models and the relative intensities observed in the product ion spectra. The key performance features of the developed method are inter-batch mass accuracy < 1 ppm (n = 10); lower limit of detection (triggering threshold) 0.1 μg/ml (equivalent to 0.2 weight % in oil); lower limit of quantitation 0.2 μg/ml (equivalent to 0.4 weight % in oil); peak area precision 6.5% at 2 μg/ml concentration and 15% at 0.2 μM concentration; inter-batch precision of fragment intensities < 1% (n = 10) independent of the investigated concentration; and averaged accuracy using the generic calibration 3.8% in the 1-10 μg/ml range and varies between 1-23% depending on analytes. Inter-esterified fat, beef tallow, pork lard, and butter fat samples were used to show how well regioisomeric distribution of palmitic acid can be captured by this method.
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