Protein ingredients are used to enrich foods and beverages with additional protein content. They can be derived from both animal sources, such as whey and casein, and plant sources like soy, pea, and rice. These ingredients are commonly found in products like protein shakes, snack bars, and fortified foods.
They are valued for their functional properties as well, including improving texture, emulsification, and water retention in food processing. Their versatility allows them to be used across a wide range of applications, from sports nutrition to everyday packaged foods.
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