Influence of pectin structure on the mechanical properties of flax fibres: a comparison between linseed-winter variety (Oliver) and a fibre-spring variety of flax (Hermes)

S. Alix; J. Goimard; C. Morvan; C. Baley

Influence of pectin structure on the mechanical properties of flax fibres: a comparison between linseed-winter variety (Oliver) and a fibre-spring variety of flax (Hermes)

In: Pectins and pectinases

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S. Alix

S. Alix ¹Université de Rouen, Laboratory GTV, CNRS, 76821 Mont Saint Aignan Cedex, France

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J. Goimard

J. Goimard ²Université de Bretagne Sud, Laboratory L2PIC, Rue St Maudé, 56321 Lorient, France

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C. Morvan

C. Morvan ¹Université de Rouen, Laboratory GTV, CNRS, 76821 Mont Saint Aignan Cedex, France

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, and

C. Baley

C. Baley ²Université de Bretagne Sud, Laboratory L2PIC, Rue St Maudé, 56321 Lorient, France

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Type:: Chapter

Pages:: 87–98

DOI:: https://doi.org/10.3920/9789086866779_007

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This work evaluates the tensile properties, the structure and the chemical composition of the cellulosic fibres of a linseed-winter variety of flax, Oliver, compared to Hermes, a fibre-flax variety used for textile application and as a reference in our laboratories. The Young’s modulus of the elementary fibres of Oliver was evaluated to 38 ± 13 GPa and the breaking strength in the range of 500-1000 MPa, i.e. significantly less than those of Hermes. The main discriminating parameters for good tensile properties appeared to be the diameter of the elementary fibres, the content of cellulose, and the total amount of encrusting non cellulosic polysaccharides. The amounts of rhamnogalacturonan I, homogalacturonan and glucomannan that were extracted from the secondary wall of fibres, either with acid or with alkali, might also be of importance for a comprehensive approach of the mechanical properties of cellulosic fibres.

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Pectins and pectinases

E-Book ISBN:: 9789086866779

Publisher:: Wageningen Academic

Print Publication Date:: 30 Oct 2009

Subjects
- Life Sciences
  - General
  - Food & Health

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Influence of pectin structure on the mechanical properties of flax fibres: a comparison between linseed-winter variety (Oliver) and a fibre-spring variety of flax (Hermes)

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Pectins and pectinases

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