Currently, it is predominantly used as an additive in animal feed or sometimes simply thrown away. Excellent propertiesToktam Farjami, who is taking her PhD in food science at NTNU explained: “This is a valuable source of protein with excellent properties. More people are therefore interested in using spent grain as an alternative to animal protein.”Farjami explained that there were many other different possibilities for the industry to use the raw material and highlighted how “the proteins in spent grain are water-repellent”. This means “at the same time, they act as emulsifiers, and help mix substances that don’t necessarily want to mix. The proteins in spent grain are promising for making the walls of microcapsules for fish oil and other food products that contain healthy omega-3 fatty acids”.