Ground beef already formed into patties or separated into smaller quantities take less time and defrost quicker. For instance, 1/2-inch (1.25-cm) ground beef patties that were frozen separately usually take about 10 hours to defrost.
Gelatin is a protein substance used to thicken liquids. It does not have a color, smell, or taste. It comes from boiling animal tissues such as beef bones, cartilage, tendons, and pig skin. Gelatin is used in many kinds of food products and drug and supplement products.
Gelatin is an animal by-product sourced from animal hooves, bones, cartilages, and other parts of abattoir meat leftovers. As such, it's not appropriate for anyone whose diet excludes animal derived products or products from animals killed for consumption.