Phenolic Profiling of Flax Highlights Contrasting Patterns in Winter and Spring Varieties

Flax ( ) is a plant grown in temperate regions either for its fiber or for its seeds, which are rich in the essential fatty acid omega-3. It is also well known as a source of medicinal compounds. The chemical composition of its leaves is currently poorly described. In order to fill this gap, we have...

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Veröffentlicht in:Molecules (Basel, Switzerland) Switzerland), 2019-11, Vol.24 (23), p.4303
Hauptverfasser: Tchoumtchoua, Job, Mathiron, David, Pontarin, Nicole, Gagneul, David, van Bohemen, Anne-Isaline, Otogo N'nang, Elvis, Mesnard, François, Petit, Emmanuel, Fontaine, Jean-Xavier, Molinié, Roland, Quéro, Anthony
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container_title Molecules (Basel, Switzerland)
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creator Tchoumtchoua, Job
Mathiron, David
Pontarin, Nicole
Gagneul, David
van Bohemen, Anne-Isaline
Otogo N'nang, Elvis
Mesnard, François
Petit, Emmanuel
Fontaine, Jean-Xavier
Molinié, Roland
Quéro, Anthony
description Flax ( ) is a plant grown in temperate regions either for its fiber or for its seeds, which are rich in the essential fatty acid omega-3. It is also well known as a source of medicinal compounds. The chemical composition of its leaves is currently poorly described. In order to fill this gap, we have conducted a comprehensive analysis of flax leaf metabolome. The exploration of the metabolome allowed the characterization of compounds isolated for the first time in flax leaves. These molecules were isolated by preparative HPLC and then characterized by NMR, LC-MS and standard analysis. This work extended our picture of -glycosyl-flavonoids and coniferyl alcohol derivatives accumulated in flax. The follow-up of the content of these different metabolites via UPLC-MS revealed significant accumulation differences in spring and winter flax leaves. In particular, two methylated -glycosylflavonoids (swertisin and swertiajaponin) were the most abundant phenolic compounds in winter flax whereas they were not detected in spring flax. This result suggests that these 2 compounds are involved in cold stress tolerance in flax.
doi_str_mv 10.3390/molecules24234303
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It is also well known as a source of medicinal compounds. The chemical composition of its leaves is currently poorly described. In order to fill this gap, we have conducted a comprehensive analysis of flax leaf metabolome. The exploration of the metabolome allowed the characterization of compounds isolated for the first time in flax leaves. These molecules were isolated by preparative HPLC and then characterized by NMR, LC-MS and standard analysis. This work extended our picture of -glycosyl-flavonoids and coniferyl alcohol derivatives accumulated in flax. The follow-up of the content of these different metabolites via UPLC-MS revealed significant accumulation differences in spring and winter flax leaves. In particular, two methylated -glycosylflavonoids (swertisin and swertiajaponin) were the most abundant phenolic compounds in winter flax whereas they were not detected in spring flax. 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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). 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subjects Carbon
Chemical composition
Chemical compounds
Chromatography, High Pressure Liquid - methods
Cold
Cold tolerance
Flavonoids
Flavonoids - chemistry
Flax
Flax - chemistry
Flowers & plants
High-performance liquid chromatography
Leaves
Life Sciences
Linum usitatissimum
Liquid chromatography
Metabolism
Metabolites
Phenol - chemistry
Phenolic compounds
Phenols
Phenols - chemistry
Phytochemicals
Plant Leaves - chemistry
Plant reproduction
Retention
Seasons
Seeds
Seeds - chemistry
Spring
Tandem Mass Spectrometry - methods
Winter
title Phenolic Profiling of Flax Highlights Contrasting Patterns in Winter and Spring Varieties
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