Abstract
Given the lack of information about the lipid profile of local durum wheat landraces, and their presumed high nutritional value, gas chromatography coupled to a time-of-flight mass analyzer was used to investigate the lipid profiles of three of the most important local durum wheat landraces. The obtained results indicated the nutritional adequacy and quality of Mahmoudi’s and Jnah khottifa’s whole grain wheat flour. Analysis of the biosynthetic pathway highlighted that the linoleic acid metabolism and the fatty acid biosynthesis pathway are impactful metabolic pathways in discriminating between landraces. β-Sitosterol and 2-linoleoylglycerol were identified as hub metabolites. Based on this, GC–TOF-MS™-based lipid profiling could be used as an authenticity tool to differentiate local whole grain flours or guide the selection of specific marker compounds to set proper quality standards for better restoration and in situ and ex situ conservation of the subsequent use of these valuable germ.
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This work was supported by the Tunisian Ministry of Higher Education and Scientific Research.
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Lamine, M., Gargouri, M., Rahali, F.Z. et al. Local Tunisian durum wheat landraces revisited and rediscovered through modern integrative GC–TOF-MS™-based lipidomic profiling and chemometric approaches. Eur Food Res Technol 248, 1239–1252 (2022). https://doi.org/10.1007/s00217-022-03958-4
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DOI: https://doi.org/10.1007/s00217-022-03958-4