... mainly used as acidulant, flavouring agent, preservative and antistaling agent in food and beverage industry. Citric Acid is mainly used ... , it is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries. In the food industry, it ... from water and wetness when transporting and storing, and Kept in a light-proof, well-closed, cool place and drying.Shelf life: 24 ...