Citrate compounds are chemical substances that contain the citrate ion, which is derived from citric acid. They are commonly found in various fruits, especially citrus fruits like lemons and oranges. Citrate compounds play a crucial role in biological processes, particularly in the Krebs cycle, where they help in energy production within cells. In addition to their biological significance, citrate compounds are used in various industries. They serve as food additives to enhance flavor and preserve freshness. Citrate is also utilized in pharmaceuticals and cosmetics for its buffering properties, helping to maintain pH levels in products.