What acid present in litchi fruit?

The predominant acid present in litchi fruit is malic acid. Malic acid is found naturally in many fruits and vegetables, and is known for its tart and slightly sour taste. It is a dicarboxylic acid, meaning that it contains two carboxylic acid groups (-COOH). In litchi fruit, malic acid contributes to the characteristic sourness and tartness that is often associated with the fruit.