Malate is a chemical compound that plays a crucial role in the Krebs cycle, a key metabolic pathway in living organisms. It is the salt or ester of malic acid, which is found in various fruits, particularly in apples. Malate is involved in energy production, helping cells convert carbohydrates into usable energy. In addition to its role in metabolism, malate is also used in various industries. It can be found in food and beverages as a flavoring agent and is sometimes used in dietary supplements for its potential health benefits. Overall, malate is an important compound in both biological and commercial contexts.