Animal blood, one of the major animal by-products from slaughterhouses, is rich in protein and has high nutritional value. Animal plasma protein can be used in animal feed and food processing as an important protein resource. It has been shown that enzymatic hydrolysates of animal plasma protein, consisting of small peptides and amino acids, can be used as potential food additives, nutritional supplements and health products because of its ease of digestion and absorption in the body and functional properti...