Functionality of Whey Protein

Whey, a protein complex derived from milk, is prepared in the dairy industry as a by product of cheese and casein manufacture. The major components of whey in decreasing amounts are β-lactoglobulin, α-lactalbumin, bovine serum albumin, immunoglobulins and others. In recent years, there has been an interest in the use of whey protein and peptides due to functional properties. Whey and whey components are value-added ingredients in many foods including dairy, infant formulas, sports nutrition foods meats, bakery, confections, snack foods, beverages and other food products to develop functionality of foods in the food industry. Whey and whey components have also potential health benefits beyond their nutrient content. In this review, we have summarized functionality properties of whey protein and its peptides.