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James Nowick, 15 september 2017, 11... Emmanuelle Thinon, 28 June 2017, 11... Caroline Tokarski, 15 June 2017, 4p... Christian Salesse, 8 June 2017, 4pm... Patrice Rey, 01 June 2017, 2h30 pm,... Christina Sizun, 18 May 2017, 4 pm,... Marisela Velez, 5 May 2017, 11am, I... Iqbal Choudhary, 27 April 2017, 4 p... Vincent Aucagne, 21 April 2017, 11 ... Sophie Zinn-Justin, 14 April 2017, ... Cécile Feuillie, 16 February 2017,... Félix M. Goñi, 8 december 2016, 4... Félix M. Goñi, 17 november 2016, ... Carl Creutz, 20 october 2016, 4 pm,... Diego Romero, 30 september 2016, 11... A. Ciaccafava, 8 september 2016, 14... A. Ramamoorthy, 16 June 2016, 16h,... Alexandre de Brevern, 2 june 2016, ... Isabelle Landrieu, 26 May, 16h, ENS... Frances Sepavoric, 12 May, 16h, ENS... Thomas Pradeu, 7 April 2016, 9h, EN... Françoise Argoul, 3 march 2016, 1... Corinne Loutelier-Bourhis, 16/12/20... Aristotelis XENAKIS, 3 december 201... Fabian Kiessling, 26 november 2015,... Michaël Molinari, 20 november 2015... Dipankar Das Sarma, 28 October 2015... Olivier Donard, 22 october 2015, 16... E. Morvan & A.Grelard, 17/12/2015, ... Christophe Cullin, 10 september 201... Brigitte Lindet, 18 June 2015, 16h,... Marion Decossas, 4 June 2015, 16h, ... Pascale Schellenberger, 21 Mai 2015... F. Leal-Calderon, 7 May 2015, 16h, ... Ibrahim Abdulhalim, 9 April 2015, 1... Manon Carré, 26 March 2015, 14h, ... C. Bure & JM Schmitter, 19 March 20... T. Ogata & H. Ihara, 17 March 2015,... Banafshe Larijani, 12 March 2015, 1...
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Patricia DULOR Anthony BOUTER Olivier LAMBERT Jochen LANG Pascale SUBRA-PATERNAULT Maria URDACI Marie-Christine DURRIEU Xavier SANTARELLI Gilles GUICHARD Yann FERRAND Isabelle BESTEL Juan ELEZGARAY Antoine LOQUET Sophie LECOMTE Reiko ODA Marc BONNEU

Aristotelis XENAKIS, 3 december 2015, 16h

The seminar will take place at 16h, thursday the 3rd of december 2015, in the ENSCBP Amphitheater 3 (Bldg A, 16 Avenue Pey-Berland, Pessac).

 

Nano/micro –emulsions as food delivery systems

 

Aristotelis XENAKIS

 

Research Director at the Institute of Biology, Medicinal Chemistry & Biotechnology,
National Hellenic Research Foundation
Docent Professor, School of Science & Technology, University of Örebro, Sweden
Phone: +30 2107273762
Fax: +30 2107273758
E-mail: arisx@eie.gr
Website: http://www.eie.gr/nhrf/institutes/ibrb/programmes/biomimetics-en.html

 

Abstract

 

There is an increasing interest for developing functional foods that carry added value beyond their nutritional one. To this end various approaches have been proposed. One case is the enrichment and fortification of foods with bioactive micronutrients, such as polyphenols, fatty acids and their derivatives, peptides, proteins, vitamins, minerals etc. Inspired by the pharmacological approach, an interesting strategy consists at developing of food-grade delivery systems, which can incorporate the bioactive micronutrients into the products, protecting them through processing and storage, while controlling and targeting their release in the human gastrointestinal tract.

 

A promising example of such delivery systems is the nano- and micro- emulsions. These soft liquid materials are nanodispersions of two immiscible liquids, oil and water, stabilized by surfactants. If the dispersion and stabilization is obtained spontaneously they are classified as “microemulsions” whereas if addition of energy is required, they are identified as “nanoemulsions”. Both systems are macroscopically homogeneous but microscopically distinct compartments of different polarity coexist. In these different nano-phases various solutes, either hydrophilic or hydrophobic or even amphiphilic, can be encapsulated.

 

In the present work, typical examples of such nano- and micro- emulsions are presented and their ability to act as vehicles of various bioactive micronutrients is assessed. Furthermore, their effectiveness in transporting and releasing the encapsulated bioactive is examined via various techniques including digestion models.

 



 

 

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