Valérie Gagnaire is a research director at INRAE Institut Agro, UMR Science et Technologie du Lait et de l'Oeuf, France. A food biochemist, her research interests include the functionalization of dairy and plant mixes by fermentation with lactic acid bacteria in order to obtain enhanced nutritional, technofunctional and organoleptic properties, as well as health benefits. Thomas Croguennec is a professor in biophysical chemistry of dairy products at Institut Agro Rennes Angers, INRAE Institut Agro, UMR Science et Technologie du Lait et de l'Oeuf, France. His research interests include the structure and functionality relationships of dairy proteins.