Volume 22, Number 6, November-December 2015
|Number of page(s)||7|
|Section||Dossier: Flax and hemp / Lin et chanvre|
|Published online||04 November 2015|
Barriers to the release of flaxseed oil bodies and ways of overcoming them
Université de Toulouse, INPT-ENSIACET, LCA (Laboratoire de Chimie
Agro-Industrielle), ENSIACET, 4
allée Émile Monso, 31030
2 INRA, UMR 1010 CAI, 31030 Toulouse, France
* Correspondence: email@example.com
Received: 17 September 2015
Accepted: 7 October 2015
The outermost mucilaginous layer of the seed is a major, valuable component of flaxseed, but it induces a rapid thickening of the medium when the seeds are immersed in water, reducing the efficiency of oil body extraction. Ultrasound can be used to extract this mucilage rapidly before the seeds are ground in water. This makes it possible to extract the oil bodies as an emulsion, with the proteins present acting as dispersing and stabilizing agents. This emulsion is a thick fluid displaying shear-thinning and predominantly elastic behavior. This phase can be valorized directly due to its high concentration in polyunsaturated fatty acids, high content of valuable sterols, and high arginine content of its proteins.
Key words: Flaxseed / mucilage / zeta potential / ultrasound / oil bodies
© J.-F. Fabre et al., Published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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