Abstract
Quantitation of long-chain fatty acids in serum/plasma and red blood cells is a useful diagnostic tool in the evaluation of nutritional status and assessment of risk for essential fatty acid deficiency (EFAD). Serum/plasma has been the traditional sample type for this method, yet it requires prolonged fasting which is not compatible with some patient populations. More recently, red blood cells have become an important sample type due to less intraindividual variability and obviating the need for fasting. Here we present a method for the quantitation of 22 fatty acids in serum/plasma or red blood cells. Fatty acids are hydrolyzed and extracted from the biological matrix, followed by derivatization with pentafluorobenzyl bromide and subsequent analysis by gas chromatography-negative chemical ionization-mass spectrometry (GC-NCI-MS).
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Kish-Trier, E., Yuzyuk, T. (2022). Quantitation of Fatty Acids in Serum/Plasma and Red Blood Cells by Gas Chromatography-Negative Chemical Ionization-Mass Spectrometry. In: Garg, U. (eds) Clinical Applications of Mass Spectrometry in Biomolecular Analysis. Methods in Molecular Biology, vol 2546. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2565-1_14
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DOI: https://doi.org/10.1007/978-1-0716-2565-1_14
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