... scales of freshwater fish with enzymolysis technology by simulating human body digesting protein. The fish is from Honghu wetland which ... primary structural protein found in the connective tissues in the body, including the skin, bones, cartilage, tendons, and ligaments. But ... fish , Bovine, Porcine, and Chicken ,in the form of powder,so its very edible. Take different techniques, there are Hydrolyzed ...