Global Functional Protein Market By Type (Hydrolysates, Whey Protein Concentrates (WPC), Whey Protein Isolates (WPI), Casein & Caseinates, and Soy Protein), By Application (Functional Foods, Functional Beverages, Dietary Supplements, and Animal Nutrition), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028