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Document IIF

Changement de phase sous champ électrique statique : cas des lipides.

Phase change under static electrical field; in the case of lipids.

Auteurs : LE BAIL A., JHA P., XANTHAKIS E.

Résumé

Phase change in biological tissues may be affected by electrical and magnetic disturbances. Freezing under static electric field of water, aqueous solution and pork meat has been investigated by the authors, showing the ability of this process to refine ice crystals in frozen matrices. SEF affects the supercooling, which is usually reduced with SEF. SEF also triggers the nucleation. The use of radiofrequencies and microwaves has also been used recently by researchers to promote refined ice crystallization in food systems. A focus is proposed on recent experiments done on solidification of a vegetable fat mix (Vegetaline ® – France) under static electric field (SEF). Results showed that SEF affects the supercooling and the phase change temperature of the fat mix indicating a possible impact on the crystalline structure of the solidified fat.

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Pages : 6

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Détails

  • Titre original : Phase change under static electrical field; in the case of lipids.
  • Identifiant de la fiche : 30017531
  • Langues : Anglais
  • Source : 4th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Auckland, New Zealand, April 7-9, 2016.
  • Date d'édition : 07/04/2016
  • DOI : http://dx.doi.org/10.18462/iir.iccc.2016.0019

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