“…For example, gelatin is the most important and dominant material in medicinal capsules [32,33], although cellulose and other non-gelatin capsules have recently emerged [34]. Gelatin sponges are used as hemostatic materials [35,36] in surgery and antiadhesion materials [37,38] to prevent postoperative adhesion. Gelatin films can be used as edible packaging films [39,40], nutritional membranes [41,42] and biomaterials [43][44][45].…”