Citric Acid Monohydrate is a white crystalline powder. This product acts as a preservative and antioxidant. It is also used as an acidulant, flavoring agent and antistaling agent in fruit drinks, candy, cookies, biscuits, canned fruits, jams, and jellies. Citric acid Anhydrous E330 is mainly used as an acid condiment, flavoring agent and preservative in food and beverage and as pharmaceutical excipients in pharmaceutical industry.