A system and method for de-oiling for generating a protein concentrate therefrom. The method and system includes decorticating a material having an oil content to remove cortex therefrom, the material including a protein therein. The method and system further includes creating a flour from the material having the cortex removed therefrom and removing the oil content from the flour by mixing the flour with ethanol. The method and system further extracts a de-oiled flour therefrom and dries the de-oiled flour using at least one dryer. Therein, the method and system provides for extracting the protein concentrate from the de-oiled flour.