Citric acid is one of the most important natural acidic elements that are naturally obtained from a number of fruits. This name is called in relation to its presence in the acidic fruits specifically, which include orange, lemon, grapefruit, mandarin, This acid is produced by cells within the Crips cycle and is used in many fields, mainly the field of the various food industry, including both: cheeses, beverages, bread, and added to various foods as one of the scented flavors.