Malic acid, a dicarboxylic acid is the main component in many tart or sour foods. It was first isolated from apple juice in 1785, and has since then been used to impart a sour taste to food items. The acid is manufactured naturally in the body in the krebs cycle and can also be obtained from the foods we consume.
The acid has several uses. It is known to alleviate symptoms of fibromyalgia that affects middle-aged women. Apart from this, studies have revealed that it is very helpful in meeting the high energy demands of the body especially during exercises and other strenuous physical activities. It is also known to offer help to individuals suffering from Chronic Fatigue Syndrome. The acid helps to reduce toxicity in the body as well, which may cause several disorders. Commercially, the acid is used in a number of food items and personal care and medical products.