This disclosure is concerned with a nutritional product,nutritional composition, and methods for manufacturing thereof.The nutritional product and composition are protein rich substanceswhich include oilcake produced by a process involvingsteam explosion of raw oilcake such that dry matter left after oil extractionfrom sunflower seeds or other oily crops or nuts. Accordingto one aspect of this disclosure, there is provided a nutritionalproduct which is suitable for human consumption and comprisesa high-protein main ingredient and a supplemental ingredient. Thehigh-protein main ingredient includes sterile and palatable mattersuch as processed oilcake produced by steam explosion of substantiallywater-insoluble matter. The optional supplemental ingredientincludes one or more of the following: carbohydrates, proteins, andfats.
