... foods, including flavored gelatin desserts. Besides food, gelatin has been used in pharmaceutical, cosmetic, and photography industries. From a nutritional point ... of horses and other animals to obtain glue. Collagen adhesive was used by Egyptians about 4,000 years ago, and Native Americans ... -dated as more than 8,000 years old, was found to be collagen—used as a protective lining on rope baskets and ...