Citric Acid is mainly used as acidulant, flavouring agent, preservative and antistaling agent in food and beverage industry. Citric Acid is mainly used as acidulant, flavouring agent, preservative and antistaling agent in food and beverage industry. Moreover, it is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries. 1. In the food industry, it is ...