Citric acid (CA), also known as citric acid, molecular formula for C H O, is an important organic acid, colorless crystal, odorless, has a strong sour taste, soluble in water, is a natural preservative and food additive. Product usage The main applications of citric acid are as follows: It is used as a flavoring and pH regulator in drinks and jellies, sweets, preserves and candies. It acts as an acidifier and buffer when combined with its salts. It is used as a metal chelating agent . Increases the sweetness of non-nutritive sweeteners, as well as increasing the effectiveness of preservatives and antioxidants. Helps prevent discoloration and color deterioration in fruits and vegetables processed in combination with ascorbic acid . It acts as a flavor enhancer in drinks, sweets, desserts and other foods. Prevents the oxidation of oils and fats. Emulsifier and texturizer for pasteurized and processed cheeses when used in salt form. Reduce pH in fish products in the presence of other antioxidants or preservatives. Modify the texture of the meat. Often used as a stabilizer in whipped cream