07 Apr 2021 --- Scientists are reporting a new way to extract the protein and fiber from brewer’s spent grain and use it to create new types of protein sources. Homebrewing enthusiasts and major manufacturers experience the same result of the beer-making process: mounds of leftover grain. Once all the flavor has been extracted from barley and other grains, what’s left is a protein-rich and fiber-rich powder typically used in cattle feed or discarded in landfills.
