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 (sometimes gelatine) is a common gelling agent and thickener that most people are familiar with. It is flavorless, colorless and brittle when dry. In it's pure form, gelatin comes either as gelatin sheets, or as powder. Generally, it is made from animal bones and collagen, the most common source being pig skin.