Veerle De Graef
Ghent University
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Publication
Featured researches published by Veerle De Graef.
European Food Research and Technology | 2013
Kasper van der Vaart; Frédéric Depypere; Veerle De Graef; Peter Schall; Abdoulaye Fall; Daniel Bonn; Koen Dewettinck
In this study, two types of oscillatory shear rheology are applied on dark chocolate with varying volume fraction, particle size distribution, and soy lecithin concentration. The first, a conventional strain sweep, allows for the separation of the elastic and viscous properties during the yielding. The second, a constant strain rate sweep, where the strain rate amplitude is fixed as the frequency is varied, is analyzed to obtain Lissajous curves, dissipated energy, and higher order nonlinear contributions. It is shown that chocolate exhibits complex nonlinear behavior, namely shear thinning, shear thickening, and strain stiffening. The effects on this behavior related to volume fraction, particle size distribution, and lecithin concentration are investigated, and comparison with simple monodisperse hard-sphere suspensions is made.
International Dairy Journal | 2009
Lars Wiking; Veerle De Graef; Marianne Rasmussen; Koen Dewettinck
Food Research International | 2011
Veerle De Graef; Frédéric Depypere; Maaike Minnaert; Koen Dewettinck
European Journal of Lipid Science and Technology | 2009
Veerle De Graef; Peter Van Puyvelde; Bart Goderis; Koen Dewettinck
European Journal of Lipid Science and Technology | 2008
Veerle De Graef; Bart Goderis; Peter Van Puyvelde; Imogen Foubert; Koen Dewettinck
European Journal of Lipid Science and Technology | 2006
Veerle De Graef; Koen Dewettinck; Dirk Verbeken; Imogen Foubert
Food Biophysics | 2012
Niels Kaufmann; Veerle De Graef; Koen Dewettinck; Lars Wiking
Food Research International | 2010
Jeroen Vereecken; Veerle De Graef; Kevin W. Smith; Johan Wouters; Koen Dewettinck
Lwt - Food Science and Technology | 2008
Ingmar Nopens; Imogen Foubert; Veerle De Graef; Delina Van Laere; Koen Dewettinck; Peter Vanrolleghem
Journal of Agricultural and Food Chemistry | 2007
Veerle De Graef; Imogen Foubert; Kevin W. Smith; Fred W. Cain; Koen Dewettinck